{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733089,"usec":900456},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.754286,"noise_level":-2.571061,"freq_skew":1.588345,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[164,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733089,"usec":902267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.825912,"noise_level":-7.265324,"freq_skew":2.711379,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733089,"usec":902868},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.744205,"noise_level":-7.881036,"freq_skew":0.385437,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733089,"usec":903295},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658552,"noise_level":-7.881036,"freq_skew":1.746739,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"_d","blk_id":"3","ack":"C","flight":"U212RW","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733089,"usec":903790},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.211760,"noise_level":-7.881036,"freq_skew":-2.372347,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.900000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733089,"usec":904375},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.361943,"noise_level":-9.145456,"freq_skew":0.423277,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"E","sublabel":"DF","msg_text":"6,0249,000,0281,00256,00000,0013/T100000,00000/U100000,00000/V122280,18222,442C0,00000,00040,00000/W122280,182A2,442C0,00000,00040,00000/X100000,0000C,04000,100C0,3F181,10000/Y100000,0000C,04000,100C0,22381"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733089,"usec":905765},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696468,"noise_level":-10.645419,"freq_skew":0.535912,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":38645,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733089,"usec":906434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209272,"noise_level":-12.137021,"freq_skew":0.426903,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F62","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733090,"usec":666700},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.760888,"noise_level":-12.980466,"freq_skew":0.631560,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733090,"usec":674089},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.544073,"noise_level":-13.945333,"freq_skew":0.241609,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733091,"usec":435935},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331609,"noise_level":-13.934050,"freq_skew":-1.477913,"avlc":{"src":{"addr":"4CADDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733091,"usec":436960},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573388,"noise_level":-14.308140,"freq_skew":1.755805,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"_d","blk_id":"4","ack":"D","flight":"U212RW","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733092,"usec":189659},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.100011,"noise_level":-17.902962,"freq_skew":0.559889,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":717,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30593,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[252,33,197,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733092,"usec":960382},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.176024,"noise_level":-18.611521,"freq_skew":0.578885,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F62","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733093,"usec":720747},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.597301,"noise_level":-18.451612,"freq_skew":0.419704,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17669,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[29,193,216,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733093,"usec":720989},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689364,"noise_level":-18.451612,"freq_skew":0.479755,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733093,"usec":723000},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480790,"noise_level":-18.422588,"freq_skew":0.527021,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17670,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[16,184,57,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733094,"usec":472586},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618091,"noise_level":-19.180454,"freq_skew":1.610947,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":715,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[7,219,61,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733094,"usec":473029},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486551,"noise_level":-20.088444,"freq_skew":0.306002,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"F","sublabel":"DF","msg_text":",10000/Z100000,00000,XXXXX,00000,08000,00000/1F00000,00000,XXXXX,00000,08000,00000/1G00000,XXXXX,XXXXX,00000,00000,XXXXX/1H04000,XXXXX,XXXXX,00000,00000,XXXXX/1I01001,40080,00000,00000,XXXXX,XXXXX/1J01001,4"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733094,"usec":474123},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.080739,"noise_level":-20.305435,"freq_skew":0.192602,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":117,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":32,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,65,70,82,0,57,230,131],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733094,"usec":475650},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.975236,"noise_level":-20.278488,"freq_skew":0.094020,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":118,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":1,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733094,"usec":480047},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898263,"noise_level":-20.863092,"freq_skew":1.171080,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"8E","blk_id":"3","ack":"!","flight":"EC92VK","msg_num":"M77","msg_num_seq":"A","msg_text":"LPPR,2034"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733094,"usec":481325},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564054,"noise_level":-20.834360,"freq_skew":1.011451,"avlc":{"src":{"addr":"343046","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEST"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-9.100000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733095,"usec":237928},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.022155,"noise_level":-20.727556,"freq_skew":0.718965,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,69,74,85,0,68,0,128,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":31902,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30657,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[150,29,111,236]},{"name":"checksum","value":[77,213]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733095,"usec":238857},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588920,"noise_level":-20.891924,"freq_skew":0.971874,"avlc":{"src":{"addr":"343046","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KLB","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"VY03MR","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733095,"usec":238857},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.588920,"noise_level":-20.891924,"freq_skew":0.971874,"avlc":{"src":{"addr":"343046","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15030106","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,48,70,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733095,"usec":239671},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.619498,"noise_level":-20.882305,"freq_skew":0.476211,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,69,74,85,0,68,0,128,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":31902,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30657,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[150,29,111,236]},{"name":"checksum","value":[77,213]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733095,"usec":240006},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891183,"noise_level":-20.882305,"freq_skew":0.497802,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733096,"usec":490},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.591500,"noise_level":-21.718884,"freq_skew":0.687856,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733096,"usec":979},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.825036,"noise_level":-22.684515,"freq_skew":0.386000,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733096,"usec":7672},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.988028,"noise_level":-23.276148,"freq_skew":0.404709,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733096,"usec":10766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778866,"noise_level":-23.695269,"freq_skew":1.004513,"avlc":{"src":{"addr":"343046","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733096,"usec":11157},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.161516,"noise_level":-23.681988,"freq_skew":1.522873,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733096,"usec":759579},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.208352,"noise_level":-23.681988,"freq_skew":0.656708,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17669,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[29,193,216,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733096,"usec":762615},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.376459,"noise_level":-24.050131,"freq_skew":0.757921,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":97,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[106,208,157,236]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733096,"usec":768977},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.312711,"noise_level":-25.096073,"freq_skew":0.269618,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733097,"usec":521877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.484930,"noise_level":-25.487997,"freq_skew":0.433079,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733097,"usec":523252},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.377140,"noise_level":-25.455381,"freq_skew":1.934618,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[58,172,5,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733097,"usec":528585},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.189408,"noise_level":-25.358259,"freq_skew":0.377876,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733097,"usec":530353},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.152699,"noise_level":-25.310104,"freq_skew":0.486112,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":44.299999,"lon":-3.900000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733097,"usec":534725},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.559614,"noise_level":-25.198767,"freq_skew":0.172503,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4726,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43140,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[250,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733098,"usec":284409},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.460097,"noise_level":-25.073250,"freq_skew":0.169754,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733098,"usec":284545},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.202893,"noise_level":-25.073250,"freq_skew":-2.280541,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNE","mode":"2","label":"15","blk_id":"8","ack":"!","flight":"BA045P","msg_num":"M65","msg_num_seq":"A","msg_text":"FST01LEMGEGLLN42566W0030394340  50  28     31301      440  21342004"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733098,"usec":286094},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.614764,"noise_level":-26.199272,"freq_skew":0.583576,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":12720,"priority":0,"lifetime":8.000000,"flags":66,"pdu_id":12304,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[32,172,108,10,50,26,72,72,0,1,22,8,188,129,6,28,14,246,232]}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733098,"usec":286487},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.908981,"noise_level":-26.199272,"freq_skew":0.516254,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17678,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21,"credit":10,"rseq":10,"variable_part_params":[{"name":"checksum","value":[245,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733098,"usec":291890},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.924181,"noise_level":-26.058556,"freq_skew":-0.197477,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2409,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43248,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[188,67]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":4,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733099,"usec":51567},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574593,"noise_level":-25.971748,"freq_skew":0.956826,"avlc":{"src":{"addr":"343046","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733099,"usec":54522},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.852421,"noise_level":-25.885801,"freq_skew":-2.035508,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733099,"usec":57029},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.565006,"noise_level":-25.817652,"freq_skew":0.203580,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733099,"usec":57659},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.099099,"noise_level":-25.800697,"freq_skew":0.183159,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":120,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733099,"usec":59557},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785205,"noise_level":-25.750031,"freq_skew":0.379958,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4727,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43140,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[231,250]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733099,"usec":59860},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-10.578625,"noise_level":-25.750031,"freq_skew":1.823820,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733099,"usec":815929},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.260069,"noise_level":-25.452095,"freq_skew":-2.151178,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733099,"usec":820789},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.410285,"noise_level":-25.355011,"freq_skew":0.456292,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733099,"usec":823014},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.634185,"noise_level":-25.322887,"freq_skew":0.884544,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,71,82,254]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733100,"usec":568221},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.963093,"noise_level":-26.163481,"freq_skew":-0.349995,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733100,"usec":569284},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.702924,"noise_level":-26.128233,"freq_skew":0.453880,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17685,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[30,227,130,36]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":1,"acked_credit":3}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733100,"usec":575462},"freq":136975000,"burst_len_octets":266,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.257333,"noise_level":-25.902538,"freq_skew":0.546933,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"G","sublabel":"DF","msg_text":"0080,00000,00000,XXXXX,XXXXX/1K01000,30004,00004,00000,001A0,05500/1L00800,30000,00004,00000,00B32,04F00/1M04B60,-----,-----,-----,XXXXX/1N28360,-----,-----,-----,XXXXX/V222280,18222,442C0,00000,00040,00000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733100,"usec":575462},"freq":136975000,"burst_len_octets":266,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.257333,"noise_level":-25.902538,"freq_skew":0.546933,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733100,"usec":577573},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.465478,"noise_level":-26.310270,"freq_skew":0.548679,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":12720,"priority":0,"lifetime":8.000000,"flags":66,"pdu_id":12304,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[32,172,108,10,50,26,72,72,0,1,22,8,188,129,6,28,14,246,232]}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733100,"usec":578308},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.816699,"noise_level":-26.292326,"freq_skew":2.136551,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":219,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733101,"usec":334866},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511624,"noise_level":-26.256552,"freq_skew":0.521808,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"S","ack":"!","sublabel":"MD","msg_text":"REQPOS037B\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733101,"usec":337173},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.956819,"noise_level":-26.167755,"freq_skew":0.760587,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733101,"usec":338173},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.362723,"noise_level":-26.132490,"freq_skew":1.285597,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"4","ack":"S","flight":"EC92VK","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733102,"usec":91543},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.580881,"noise_level":-26.591948,"freq_skew":0.578202,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"T","ack":"!","sublabel":"MD","msg_text":"REQPRG,DT.PR.RP96AF\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733102,"usec":92489},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.561080,"noise_level":-26.554918,"freq_skew":1.484102,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"EC92VK","msg_num":"F46","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733102,"usec":96265},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.327201,"noise_level":-26.426552,"freq_skew":1.185219,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"6","ack":"T","flight":"EC92VK","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733102,"usec":96878},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479362,"noise_level":-26.408367,"freq_skew":0.489626,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"H","sublabel":"DF","msg_text":"/W222280,182A2,442C0,00000,00040,00000/X200000,0000C,04000,100C0,3F181,10000/Y200000,0000C,04000,XXXXX,22381,10000/Z200000,00000,XXXXX,00000,08000,00000/2F00000,00000,XXXXX,00000,08000,00000/2G00000,XXXXX,X"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733102,"usec":856243},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.015188,"noise_level":-26.228590,"freq_skew":0.579069,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733102,"usec":859563},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.482746,"noise_level":-26.246124,"freq_skew":0.670215,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Y","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733102,"usec":860615},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.519623,"noise_level":-26.210537,"freq_skew":0.238062,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733102,"usec":862111},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495543,"noise_level":-26.175098,"freq_skew":0.349052,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"I","sublabel":"DF","msg_text":"XXXX,00000,00000,XXXXX/2H04000,XXXXX,XXXXX,00000,00000,XXXXX/2I01001,40080,00000,00000,XXXXX,XXXXX/2J01001,40080,00000,00000,XXXXX,XXXXX/2K01000,30004,00004,00200,001A0,05500/2L00800,30000,00004,00200,00B32"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733102,"usec":863178},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795722,"noise_level":-26.176414,"freq_skew":0.291319,"avlc":{"src":{"addr":"406E66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":401,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733102,"usec":865250},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.990820,"noise_level":-26.088428,"freq_skew":2.702454,"avlc":{"src":{"addr":"406444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":303,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733103,"usec":627465},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730173,"noise_level":-25.880831,"freq_skew":0.529526,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":12720,"priority":0,"lifetime":8.000000,"flags":66,"pdu_id":12304,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[32,172,108,10,50,26,72,72,0,1,22,8,188,129,6,28,14,246,232]}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733103,"usec":632847},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.922117,"noise_level":-25.711544,"freq_skew":0.500423,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":30657,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[44,182,215,29]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733104,"usec":378096},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.171836,"noise_level":-25.906736,"freq_skew":0.502311,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,111,71,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733104,"usec":378834},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.519769,"noise_level":-25.872513,"freq_skew":0.715931,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":31914,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[202,150,4,25]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733104,"usec":381332},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450198,"noise_level":-25.787537,"freq_skew":0.553921,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"J","sublabel":"DF","msg_text":",04F00/2M04B60,-----,-----,-----,XXXXX/2N28360,-----,-----,-----,XXXXX/V322280,18222,442C0,00000,00040,00000/W322280,182A2,442C0,00000,00040,00000/X300000,0000C,04000,100C0,3F181,10000/Y300000,0000C,04000,X"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733104,"usec":382951},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.329192,"noise_level":-25.753780,"freq_skew":0.413738,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":378,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733105,"usec":144567},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.447322,"noise_level":-25.521072,"freq_skew":0.610016,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":39028,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733105,"usec":146973},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546482,"noise_level":-25.439451,"freq_skew":0.096393,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733105,"usec":150498},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.831590,"noise_level":-25.326454,"freq_skew":-0.241676,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733105,"usec":904097},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.507120,"noise_level":-25.151808,"freq_skew":0.567717,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Y","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733105,"usec":904544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.351457,"noise_level":-25.136105,"freq_skew":0.254144,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733105,"usec":908611},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.169372,"noise_level":-25.011480,"freq_skew":1.945956,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733105,"usec":909546},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.426933,"noise_level":-24.980602,"freq_skew":0.377507,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"K","sublabel":"DF","msg_text":"XXXX,22381,10000/Z300000,00000,XXXXX,00000,08000,00000/3F00000,00000,XXXXX,00000,08000,00000/3G00000,XXXXX,XXXXX,00000,00000,XXXXX/3H04000,XXXXX,XXXXX,00000,00000,XXXXX/3I01001,40080,00000,00000,XXXXX,XXXXX"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733105,"usec":912485},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472754,"noise_level":-24.903885,"freq_skew":1.122678,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":769,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[211,83,165,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733105,"usec":914121},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.321511,"noise_level":-25.887022,"freq_skew":-0.235336,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2410,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43248,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[249,149]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":5,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733105,"usec":914689},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.120391,"noise_level":-25.887022,"freq_skew":2.483355,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"PC1561","msg_num":"M98","msg_num_seq":"A","msg_text":"PC1561/28JUL25 20:05:00,36998,2108, 123,N 40.335 W  3.197"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733106,"usec":664389},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816847,"noise_level":-26.288996,"freq_skew":0.346769,"avlc":{"src":{"addr":"406E66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733106,"usec":666529},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.779688,"noise_level":-26.199867,"freq_skew":0.311868,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EJCV","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"U235DL","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733106,"usec":669691},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.322478,"noise_level":-26.111645,"freq_skew":0.434438,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20077542","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,127,98,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733106,"usec":670294},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.841932,"noise_level":-26.094110,"freq_skew":-0.445428,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":23032,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[226,97]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":5,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733106,"usec":674974},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.454638,"noise_level":-25.937845,"freq_skew":0.632047,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":31914,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[202,150,4,25]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733107,"usec":432392},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.184468,"noise_level":-25.903500,"freq_skew":0.382093,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,111,71,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733107,"usec":432922},"freq":136975000,"burst_len_octets":228,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.284504,"noise_level":-25.886375,"freq_skew":0.450106,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"L","sublabel":"DF","msg_text":"/3J01001,40080,00000,00000,XXXXX,XXXXX/3K01000,30004,00004,00000,001A0,05500/3L00800,30000,00004,00200,00B32,04F00/3M04B60,-----,-----,-----,XXXXX/3N28360,-----,-----,-----,XXXXX/:"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733107,"usec":434492},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961482,"noise_level":-25.835211,"freq_skew":0.751824,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":889,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1499,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[91,159,3,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733107,"usec":439612},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.761000,"noise_level":-25.683496,"freq_skew":-0.691861,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":541,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[134,89,238,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733107,"usec":444424},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542266,"noise_level":-26.098173,"freq_skew":0.721245,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17691,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":130,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[247,149,153,108]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":5,"sec":6}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733107,"usec":444743},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545431,"noise_level":-26.417679,"freq_skew":-0.330151,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":21,"dst_ref":43248,"variable_part_params":[{"name":"checksum","value":[194,254]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":190522},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.005075,"noise_level":-26.381388,"freq_skew":-0.687692,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCTS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":191443},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891252,"noise_level":-26.345245,"freq_skew":0.541920,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":193307},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689610,"noise_level":-26.886341,"freq_skew":1.260968,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":162,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43270,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[65,6,84,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":193648},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.070887,"noise_level":-26.886341,"freq_skew":0.666106,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2774,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[118,48,68,115]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43240,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[197,83,154,66]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":5,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":194132},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567502,"noise_level":-27.514587,"freq_skew":0.585611,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":198343},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517028,"noise_level":-27.399538,"freq_skew":0.572129,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Y","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":198781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.217451,"noise_level":-27.872852,"freq_skew":-0.353402,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":200968},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.358525,"noise_level":-27.766006,"freq_skew":0.488472,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17693,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":130,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[225,246,188,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":955214},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.957930,"noise_level":-27.535469,"freq_skew":-0.322459,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2413,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23032,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[198,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":956665},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.561383,"noise_level":-27.494204,"freq_skew":0.454426,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":960103},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.388359,"noise_level":-27.331074,"freq_skew":1.362481,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"EC92VK","msg_num":"F47","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733108,"usec":961131},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394263,"noise_level":-27.290764,"freq_skew":1.097837,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733109,"usec":722806},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.071718,"noise_level":-26.859293,"freq_skew":0.638602,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733109,"usec":723482},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.601749,"noise_level":-26.840181,"freq_skew":1.178807,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[12,17,146,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733109,"usec":725137},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.409178,"noise_level":-27.038532,"freq_skew":0.651316,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Z","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733109,"usec":725744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.126408,"noise_level":-27.019022,"freq_skew":2.223825,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733110,"usec":478370},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.332869,"noise_level":-26.980133,"freq_skew":0.535007,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":31914,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[202,150,4,25]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733110,"usec":479901},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.915077,"noise_level":-26.922123,"freq_skew":1.452208,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"EC92VK","msg_num":"F48","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN41378W005212,MIRPO,200501,370,ZMR,200658,ADORO,M49,32240,78164C"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733110,"usec":488418},"freq":136975000,"burst_len_octets":228,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441933,"noise_level":-27.500505,"freq_skew":0.509837,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"L","sublabel":"DF","msg_text":"/3J01001,40080,00000,00000,XXXXX,XXXXX/3K01000,30004,00004,00000,001A0,05500/3L00800,30000,00004,00200,00B32,04F00/3M04B60,-----,-----,-----,XXXXX/3N28360,-----,-----,-----,XXXXX/:"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733110,"usec":489390},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.007611,"noise_level":-27.500505,"freq_skew":0.520672,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"X","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733111,"usec":239955},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.052094,"noise_level":-27.357498,"freq_skew":1.200094,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"EC92VK","msg_num":"F49","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,67,203427,/PR1361,330,370,78,,0,4,,M58,50,,,P12,M6,43650,,1283,329/RP:DA:LFMN:AA:LPPR:R:04R(35O):D:TURI7A:A:INKI6C:AP:RNV35.AKULU..ZMR,N41318W005384.L155.ADORO..INKIT,N41108W007534:V:INKIT,,A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733111,"usec":243459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331340,"noise_level":-27.978022,"freq_skew":1.066724,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733111,"usec":245375},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.261571,"noise_level":-27.891403,"freq_skew":0.482990,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17693,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":130,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[225,246,188,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733111,"usec":249266},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.192313,"noise_level":-27.918846,"freq_skew":0.524163,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2774,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[118,48,68,115]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43240,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[197,83,154,66]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":5,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733111,"usec":999566},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.240100,"noise_level":-27.726456,"freq_skew":0.481809,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733112,"usec":953},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.302907,"noise_level":-27.663260,"freq_skew":1.220221,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733112,"usec":2447},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.493011,"noise_level":-27.600519,"freq_skew":0.687669,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Y","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733112,"usec":4547},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.276296,"noise_level":-27.865402,"freq_skew":0.479335,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733112,"usec":7098},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.641875,"noise_level":-27.758646,"freq_skew":2.503589,"avlc":{"src":{"addr":"406444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733112,"usec":7659},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.634388,"noise_level":-27.737453,"freq_skew":1.352602,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"EC92VK","msg_num":"F49","msg_num_seq":"B","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,67,203427,/PR1361,330,370,78,,0,4,,M58,50,,,P12,M6,43650,,1283,329/RP:DA:LFMN:AA:LPPR:R:04R(35O):D:TURI7A:A:INKI6C:AP:RNV35.AKULU..ZMR,N41318W005384.L155.ADORO..INKIT,N41108W007534:V:INKIT,,AA1100,/RA:DA:LPPR:AA:LESTAFF5"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733112,"usec":760164},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369804,"noise_level":-28.576698,"freq_skew":2.572735,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"82","blk_id":"2","ack":"!","flight":"U285XQ","msg_num":"M70","msg_num_seq":"A","msg_text":"THANKYOU SEAN. WE ARE JU\r\nST THINKING ABUT MANAGIN\r\nG CREW REST ON RETURN.\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733112,"usec":760792},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.242376,"noise_level":-28.553413,"freq_skew":0.467444,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17701,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":11,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[67,185,208,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733112,"usec":767587},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.150625,"noise_level":-28.256260,"freq_skew":0.447575,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733113,"usec":528335},"freq":136975000,"burst_len_octets":228,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.286163,"noise_level":-27.990702,"freq_skew":0.303717,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"L","sublabel":"DF","msg_text":"/3J01001,40080,00000,00000,XXXXX,XXXXX/3K01000,30004,00004,00000,001A0,05500/3L00800,30000,00004,00200,00B32,04F00/3M04B60,-----,-----,-----,XXXXX/3N28360,-----,-----,-----,XXXXX/:"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733113,"usec":529994},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.473409,"noise_level":-27.968933,"freq_skew":0.431777,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":31914,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[202,150,4,25]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733113,"usec":537803},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.280434,"noise_level":-27.754204,"freq_skew":0.612774,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Z","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733114,"usec":278942},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.798589,"noise_level":-27.627871,"freq_skew":-1.471348,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-2.900000},"alt":21000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733114,"usec":279627},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724828,"noise_level":-27.606993,"freq_skew":2.069427,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"8S","blk_id":"5","ack":"!","flight":"U212RW","msg_num":"M23","msg_num_seq":"A","msg_text":"EGGP,2218,N,Y,N,--,1,--\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733114,"usec":283174},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.981850,"noise_level":-27.503347,"freq_skew":0.205554,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733114,"usec":283713},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.947631,"noise_level":-27.503347,"freq_skew":0.525641,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17693,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":130,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[225,246,188,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733114,"usec":284255},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543808,"noise_level":-27.844318,"freq_skew":-1.536547,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MKM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"VY07TK","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733114,"usec":285731},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.951103,"noise_level":-27.801563,"freq_skew":-1.488887,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15050723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,81,211,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733115,"usec":46442},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.876300,"noise_level":-28.391617,"freq_skew":1.227730,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733115,"usec":52186},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.037769,"noise_level":-28.166317,"freq_skew":0.546387,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733115,"usec":52625},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.468270,"noise_level":-28.287693,"freq_skew":-1.719344,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733115,"usec":811623},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.584334,"noise_level":-28.065037,"freq_skew":1.999948,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733115,"usec":819730},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.470042,"noise_level":-27.783869,"freq_skew":0.557117,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17701,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":11,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[67,185,208,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733115,"usec":820524},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.673051,"noise_level":-27.741409,"freq_skew":-1.295531,"avlc":{"src":{"addr":"4CADDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43089,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[41,132,125,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733116,"usec":574699},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755672,"noise_level":-27.388639,"freq_skew":-0.773075,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":542,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43132,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[13,187,227,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733116,"usec":575213},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.971956,"noise_level":-27.388639,"freq_skew":0.627751,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4074B5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":31942,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[17,59,185,90]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733116,"usec":576502},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.334272,"noise_level":-27.675568,"freq_skew":0.535423,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733116,"usec":577380},"freq":136975000,"burst_len_octets":228,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.177908,"noise_level":-27.633631,"freq_skew":0.344258,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"IB0620","msg_num":"D07","msg_num_seq":"L","sublabel":"DF","msg_text":"/3J01001,40080,00000,00000,XXXXX,XXXXX/3K01000,30004,00004,00000,001A0,05500/3L00800,30000,00004,00200,00B32,04F00/3M04B60,-----,-----,-----,XXXXX/3N28360,-----,-----,-----,XXXXX/:"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733116,"usec":579919},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661350,"noise_level":-27.571106,"freq_skew":0.394443,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30615,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[141,122,81,144]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733116,"usec":581627},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.076035,"noise_level":-27.509026,"freq_skew":-1.154355,"avlc":{"src":{"addr":"49514B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":114,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30607,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[90,1,238,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733116,"usec":583336},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939028,"noise_level":-27.426939,"freq_skew":-0.703605,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCTS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733117,"usec":333221},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.626784,"noise_level":-27.345619,"freq_skew":0.616933,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733117,"usec":337520},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390893,"noise_level":-27.165386,"freq_skew":0.508431,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30615,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[161,252,108,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733117,"usec":339276},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.413436,"noise_level":-27.106131,"freq_skew":0.601789,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4074B5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733117,"usec":342916},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.845168,"noise_level":-27.236015,"freq_skew":2.560302,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733117,"usec":343542},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.107211,"noise_level":-27.236015,"freq_skew":-0.642468,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22111300","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,65,75,0,72,146,192,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733117,"usec":344682},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522520,"noise_level":-27.816563,"freq_skew":0.527704,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4074B5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":31947,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[37,137,121,146]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":3,"acked_credit":2}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":93793},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.681607,"noise_level":-27.731531,"freq_skew":0.600084,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22111300","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":94251},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.837378,"noise_level":-27.901897,"freq_skew":-0.845101,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-EXA","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"E477LB","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":95257},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434612,"noise_level":-28.107067,"freq_skew":0.829059,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30615,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[161,252,108,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":103397},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.773818,"noise_level":-27.781897,"freq_skew":0.514262,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":104080},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.688994,"noise_level":-27.781897,"freq_skew":0.663888,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":51898,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[7,63,210,92]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":858149},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303496,"noise_level":-27.739447,"freq_skew":0.576384,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":858704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.495622,"noise_level":-27.697201,"freq_skew":0.694584,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4074B5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":860927},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.401320,"noise_level":-27.613325,"freq_skew":-0.800003,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":861033},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.739710,"noise_level":-27.592484,"freq_skew":0.474958,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-EXA","mode":"2","label":"_d","blk_id":"Z","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":862757},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.453653,"noise_level":-27.530251,"freq_skew":1.220467,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":581,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1527,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[184,94,233,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":864440},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.068986,"noise_level":-28.568256,"freq_skew":-0.780703,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-5.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":864440},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.068986,"noise_level":-28.568256,"freq_skew":-0.780703,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVA","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"TP863Y","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":865790},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.927619,"noise_level":-28.544994,"freq_skew":0.454417,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":31950,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30661,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[103,236,10,162]},{"name":"checksum","value":[0,5]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733118,"usec":867637},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.102174,"noise_level":-28.475580,"freq_skew":-0.562295,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251301","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,193,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733119,"usec":614598},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.263811,"noise_level":-28.270603,"freq_skew":0.470285,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733119,"usec":616650},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920390,"noise_level":-28.864136,"freq_skew":0.632136,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2775,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":131,"dst_ref":30661,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[159,226,29,222]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733119,"usec":618444},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.074071,"noise_level":-28.816071,"freq_skew":-0.704543,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733119,"usec":624922},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.545303,"noise_level":-28.509956,"freq_skew":-0.482533,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733120,"usec":380801},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.525970,"noise_level":-28.395033,"freq_skew":0.526280,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":31951,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[180,219,57,136]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733120,"usec":388848},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484603,"noise_level":-28.015285,"freq_skew":0.776816,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGMC"},{"name":"ac_location","value":{"loc":{"lat":44.200001,"lon":-2.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733120,"usec":389772},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417876,"noise_level":-27.993458,"freq_skew":0.723908,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4074B5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":31947,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[37,137,121,146]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":3,"acked_credit":2}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733120,"usec":389968},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.085952,"noise_level":-28.530684,"freq_skew":0.451740,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733121,"usec":142771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461552,"noise_level":-28.347095,"freq_skew":-0.742217,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733121,"usec":902779},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310141,"noise_level":-27.775890,"freq_skew":0.656272,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733122,"usec":668726},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.610173,"noise_level":-26.964495,"freq_skew":-0.435506,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPO"},{"name":"ac_location","value":{"loc":{"lat":42.200001,"lon":-3.600000},"alt":31000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733122,"usec":670608},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.742851,"noise_level":-26.887375,"freq_skew":0.448433,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733123,"usec":427945},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461709,"noise_level":-26.772959,"freq_skew":-0.153960,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNY","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"TP0442","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733123,"usec":430260},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.047783,"noise_level":-26.678753,"freq_skew":-0.306065,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250731","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,217,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733123,"usec":434467},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.814966,"noise_level":-26.604116,"freq_skew":0.744361,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22250731","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733124,"usec":187841},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.622253,"noise_level":-26.347826,"freq_skew":0.504295,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNY","mode":"2","label":"_d","blk_id":"Z","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733124,"usec":196500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.065036,"noise_level":-26.011675,"freq_skew":-0.125736,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733126,"usec":479013},"freq":136975000,"burst_len_octets":100,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.746624,"noise_level":-24.920448,"freq_skew":0.650557,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"U","ack":"!","sublabel":"MD","msg_text":"PWI/DD310315049.180013022.110018020.040072011.002340007DF2A\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733126,"usec":484300},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.466312,"noise_level":-24.813967,"freq_skew":1.330739,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"1","ack":"U","flight":"EC92VK","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733126,"usec":486332},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452345,"noise_level":-24.768730,"freq_skew":0.628255,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":51907,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[42,141,125,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733126,"usec":489723},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.927136,"noise_level":-24.708775,"freq_skew":-2.404490,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":675,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1492,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,195,26,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733127,"usec":242482},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.047729,"noise_level":-24.531357,"freq_skew":0.615972,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733127,"usec":242725},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.278872,"noise_level":-24.531357,"freq_skew":1.261167,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"EC92VK","msg_num":"F50","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AK,07146D6"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733127,"usec":247231},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.051629,"noise_level":-24.888180,"freq_skew":1.871980,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733127,"usec":247800},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977235,"noise_level":-24.872944,"freq_skew":0.657362,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":890,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43058,"credit":4,"rseq":15,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[23,43,103,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733128,"usec":2073},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.357688,"noise_level":-24.827400,"freq_skew":0.597799,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733128,"usec":3792},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.539104,"noise_level":-24.782089,"freq_skew":0.510011,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"X","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733128,"usec":763505},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728996,"noise_level":-25.014380,"freq_skew":0.437280,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGMC"},{"name":"ac_location","value":{"loc":{"lat":44.200001,"lon":-2.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733128,"usec":766970},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.750571,"noise_level":-24.906748,"freq_skew":1.167751,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":41.900002,"lon":-8.600000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733128,"usec":767373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.902488,"noise_level":-24.891479,"freq_skew":1.171381,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733128,"usec":768579},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.014532,"noise_level":-24.876236,"freq_skew":0.361454,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[9,235,230,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733128,"usec":769960},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.844332,"noise_level":-24.845837,"freq_skew":0.606747,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U283ZB","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733128,"usec":769960},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.844332,"noise_level":-24.845837,"freq_skew":0.606747,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20072265","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,116,181,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733129,"usec":531686},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436612,"noise_level":-24.431017,"freq_skew":0.768105,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733130,"usec":293787},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.101344,"noise_level":-23.979992,"freq_skew":-0.805543,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZK","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH059H","msg_num":"M42","msg_num_seq":"A","msg_text":"00208209296M44,BW7::2MD)LMKK7*ITE:MM(R4D(9130,--HQ)55P"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733131,"usec":51482},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496570,"noise_level":-23.857250,"freq_skew":0.848647,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733131,"usec":54242},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.971153,"noise_level":-23.789804,"freq_skew":-1.112859,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":732,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30563,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[216,114,247,55]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733131,"usec":805346},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.744620,"noise_level":-23.486118,"freq_skew":-0.301879,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733131,"usec":809332},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.347340,"noise_level":-23.434370,"freq_skew":-0.677015,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733131,"usec":813407},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.314819,"noise_level":-23.331791,"freq_skew":0.331904,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[9,235,230,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733132,"usec":575807},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.935577,"noise_level":-23.092909,"freq_skew":0.166049,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"AF1358","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733132,"usec":578085},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369194,"noise_level":-23.031122,"freq_skew":-0.104356,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2414,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23032,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[194,184]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733132,"usec":579125},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951468,"noise_level":-23.006533,"freq_skew":-1.107649,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733132,"usec":582003},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.930826,"noise_level":-22.969772,"freq_skew":0.379155,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733133,"usec":333936},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891166,"noise_level":-22.788280,"freq_skew":-0.056512,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23032,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[190,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733133,"usec":340190},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.020577,"noise_level":-23.218840,"freq_skew":-0.403364,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2416,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23032,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[179,196]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733134,"usec":96363},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.516386,"noise_level":-23.250893,"freq_skew":1.390449,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":582,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43137,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[95,172,27,65]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733134,"usec":108459},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.520169,"noise_level":-24.193380,"freq_skew":0.736113,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733134,"usec":856325},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.305733,"noise_level":-23.929962,"freq_skew":0.150374,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733135,"usec":618072},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700535,"noise_level":-23.727503,"freq_skew":-1.531660,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":362,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733135,"usec":619891},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.838013,"noise_level":-24.624674,"freq_skew":0.318267,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"AF1358","msg_num":"M26","msg_num_seq":"A","msg_text":"0E22005332","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":20,"min":5,"sec":33}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733135,"usec":625377},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.900064,"noise_level":-24.434464,"freq_skew":-2.376629,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-7.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733136,"usec":390496},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.713182,"noise_level":-24.333744,"freq_skew":0.893200,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":41.900002,"lon":-8.600000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733136,"usec":393723},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509574,"noise_level":-24.220045,"freq_skew":0.325913,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733136,"usec":397075},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674795,"noise_level":-24.121765,"freq_skew":1.281175,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-NSB","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EI0497","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733136,"usec":397075},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.674795,"noise_level":-24.121765,"freq_skew":1.281175,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126573","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,173,123,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733137,"usec":139508},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.008928,"noise_level":-23.955832,"freq_skew":0.430885,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":121,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[9,220,134,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733137,"usec":906644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490485,"noise_level":-23.580551,"freq_skew":1.011370,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733137,"usec":909807},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.473959,"noise_level":-23.476240,"freq_skew":0.034064,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":886,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43246,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[10,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733138,"usec":665209},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.726095,"noise_level":-23.322086,"freq_skew":-1.509167,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":362,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733138,"usec":665963},"freq":136975000,"burst_len_octets":41,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790194,"noise_level":-24.437599,"freq_skew":-0.645770,"avlc":{"src":{"addr":"34324F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":752,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43177,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[171,218,146,166]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"commanded-termination"}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733138,"usec":667102},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557894,"noise_level":-24.766449,"freq_skew":1.217270,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733138,"usec":669585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.533780,"noise_level":-24.721458,"freq_skew":1.569790,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733138,"usec":675820},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.800884,"noise_level":-24.587862,"freq_skew":1.263766,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":706,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733138,"usec":676195},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.459944,"noise_level":-25.109074,"freq_skew":-1.698773,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-3.600000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733138,"usec":676396},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375886,"noise_level":-25.109074,"freq_skew":2.198120,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[169,171,222,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733139,"usec":425091},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.876768,"noise_level":-25.015728,"freq_skew":0.455778,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733139,"usec":426510},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.408111,"noise_level":-24.969429,"freq_skew":-1.752760,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"EI058K","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733139,"usec":427696},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.879451,"noise_level":-26.058874,"freq_skew":-1.738565,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23121311","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,162,201,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733139,"usec":428714},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.123176,"noise_level":-26.058874,"freq_skew":0.145976,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733139,"usec":432176},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.752911,"noise_level":-26.976959,"freq_skew":0.656808,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"23121311","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733139,"usec":433966},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417519,"noise_level":-26.957586,"freq_skew":-0.831162,"avlc":{"src":{"addr":"34324F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733139,"usec":434954},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.205718,"noise_level":-26.918972,"freq_skew":0.461551,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733139,"usec":435645},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.926048,"noise_level":-26.899727,"freq_skew":-1.566427,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-2.900000},"alt":20000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733140,"usec":192318},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.373890,"noise_level":-27.435516,"freq_skew":0.567225,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733140,"usec":193272},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.956501,"noise_level":-27.374397,"freq_skew":0.569441,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3451D3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733140,"usec":197310},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.122571,"noise_level":-27.193573,"freq_skew":-1.462340,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733140,"usec":199109},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.915073,"noise_level":-27.114399,"freq_skew":1.836786,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,82,89,82,0,72,194,47,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":7326,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":15,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[235,74]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733140,"usec":954002},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538243,"noise_level":-27.871237,"freq_skew":0.336796,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733141,"usec":715754},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.405016,"noise_level":-27.209208,"freq_skew":0.575445,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405F13","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":51920,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":72,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[52,4,192,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733141,"usec":716475},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.009843,"noise_level":-27.461664,"freq_skew":1.476702,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":624,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733141,"usec":720221},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.711941,"noise_level":-27.299137,"freq_skew":-0.687495,"avlc":{"src":{"addr":"34324F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":753,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":75,"dst_ref":43177,"variable_part_params":[{"name":"atn_checksum","value":[78,157,8,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733143,"usec":251297},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459537,"noise_level":-26.638996,"freq_skew":-0.183874,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":869,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[177,87,6,164]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733144,"usec":1526},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.297763,"noise_level":-27.324755,"freq_skew":-2.499620,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-7.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733144,"usec":5389},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.884092,"noise_level":-27.204473,"freq_skew":-0.265105,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":715,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43221,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[234,26,12,128]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733144,"usec":8795},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.110586,"noise_level":-27.773335,"freq_skew":0.518365,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733144,"usec":757882},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.855743,"noise_level":-27.604927,"freq_skew":1.817592,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,82,89,82,0,72,194,47,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":7326,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":15,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[235,74]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733144,"usec":761774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.184556,"noise_level":-27.844160,"freq_skew":1.468804,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733144,"usec":764172},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.504657,"noise_level":-27.737665,"freq_skew":0.701069,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405F13","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":51920,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":72,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[52,4,192,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733144,"usec":767410},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.345830,"noise_level":-27.590731,"freq_skew":0.726094,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":51928,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[94,112,130,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733144,"usec":767554},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.015959,"noise_level":-27.569941,"freq_skew":0.133071,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1467,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[39,41,4,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733145,"usec":528307},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.354744,"noise_level":-27.487278,"freq_skew":-0.400761,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733145,"usec":530936},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607455,"noise_level":-27.364740,"freq_skew":0.490074,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":379,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1497,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[48,116,21,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733145,"usec":534770},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.229787,"noise_level":-27.184114,"freq_skew":0.459069,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405F13","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733146,"usec":286833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.270575,"noise_level":-26.968334,"freq_skew":0.460690,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733146,"usec":292934},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.005142,"noise_level":-26.780968,"freq_skew":-1.775578,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733147,"usec":44162},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.222873,"noise_level":-26.848574,"freq_skew":-0.360063,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWF","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"FR68GR","msg_num":"M70","msg_num_seq":"A","msg_text":"200545,M113736,2133, 137,N 41.183 W   .991"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733147,"usec":47856},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646269,"noise_level":-26.772470,"freq_skew":0.622775,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":40146,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733147,"usec":806600},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.889877,"noise_level":-26.585079,"freq_skew":-1.560806,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-2.900000},"alt":20000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733147,"usec":807449},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285124,"noise_level":-26.529638,"freq_skew":1.887779,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":7327,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43308,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[160,177]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733147,"usec":808015},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.910535,"noise_level":-26.511238,"freq_skew":0.707254,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3451D3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733147,"usec":813655},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.884010,"noise_level":-26.311357,"freq_skew":1.804748,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":7328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43308,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[13,241]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4768303,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RYS7026","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[72,194,47],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[72,194,47],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"GCTS","destination_airport":"EPWR"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733147,"usec":815982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.095332,"noise_level":-27.398808,"freq_skew":1.228738,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733149,"usec":326220},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781529,"noise_level":-27.669619,"freq_skew":-0.255746,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733149,"usec":332974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.740183,"noise_level":-27.380430,"freq_skew":1.710963,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733149,"usec":336403},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.440938,"noise_level":-27.259380,"freq_skew":1.098733,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":707,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[100,28,187,17]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733150,"usec":95587},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.748608,"noise_level":-27.002754,"freq_skew":0.448271,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733150,"usec":97371},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.790530,"noise_level":-26.983322,"freq_skew":-0.871870,"avlc":{"src":{"addr":"4AC98A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11989A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733150,"usec":99824},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.191698,"noise_level":-26.886822,"freq_skew":0.650906,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733150,"usec":101780},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643953,"noise_level":-26.829430,"freq_skew":-1.496117,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":265,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733150,"usec":854349},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.401945,"noise_level":-27.627953,"freq_skew":1.660884,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EPWR"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.200000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733150,"usec":858669},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.270500,"noise_level":-28.505703,"freq_skew":0.538453,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733150,"usec":860471},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.590247,"noise_level":-28.436600,"freq_skew":1.041814,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":627,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43215,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[81,207,51,4]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733150,"usec":860909},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.323184,"noise_level":-28.413687,"freq_skew":1.800048,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSP","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FRRYS7","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733151,"usec":619832},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.144419,"noise_level":-28.232527,"freq_skew":1.254993,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1398,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[174,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733151,"usec":622280},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.787396,"noise_level":-28.099096,"freq_skew":-1.006104,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":736,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[112,153,114,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733151,"usec":626037},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.634441,"noise_level":-27.945974,"freq_skew":1.710318,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22141057","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,47,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733151,"usec":626488},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.187020,"noise_level":-28.731724,"freq_skew":0.701461,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733151,"usec":627647},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.446207,"noise_level":-28.684383,"freq_skew":0.676844,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSP","mode":"2","label":"_d","blk_id":"Z","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733151,"usec":628081},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713933,"noise_level":-28.660809,"freq_skew":0.709619,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":254,"calling_addr":"22141057","facilities":[{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733152,"usec":374775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.024381,"noise_level":-28.405626,"freq_skew":1.907388,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733152,"usec":376034},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.297530,"noise_level":-28.337311,"freq_skew":1.079774,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733152,"usec":376928},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.060319,"noise_level":-28.292065,"freq_skew":-2.576578,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-7.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733152,"usec":382777},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.116172,"noise_level":-28.047335,"freq_skew":1.383323,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733153,"usec":140876},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.814713,"noise_level":-27.873585,"freq_skew":2.430702,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":327,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[133,210,0,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733153,"usec":142163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.774736,"noise_level":-27.809315,"freq_skew":1.778859,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733153,"usec":907970},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.658055,"noise_level":-27.408819,"freq_skew":-1.517161,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":265,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733153,"usec":911391},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.967979,"noise_level":-27.976265,"freq_skew":1.028538,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"U235GQ","msg_num":"M64","msg_num_seq":"A","msg_text":"/LPPT.TI2/040LPPTA345A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733153,"usec":913682},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890667,"noise_level":-28.207056,"freq_skew":2.391089,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733153,"usec":920085},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.622401,"noise_level":-27.964680,"freq_skew":0.709653,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733154,"usec":669022},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.984399,"noise_level":-28.166983,"freq_skew":2.698219,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":586,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[45,36,245,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733154,"usec":669901},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.532596,"noise_level":-28.144770,"freq_skew":-0.984736,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733155,"usec":430127},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.150541,"noise_level":-27.839603,"freq_skew":1.608767,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":7329,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43308,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[228,20]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733155,"usec":432676},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.178340,"noise_level":-27.775583,"freq_skew":-1.223968,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":737,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733155,"usec":435779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.448258,"noise_level":-27.669918,"freq_skew":1.293034,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":190503},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.219720,"noise_level":-27.319984,"freq_skew":0.673429,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":191375},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.121346,"noise_level":-27.319984,"freq_skew":2.649360,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":192753},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.107565,"noise_level":-27.259666,"freq_skew":1.870916,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":7330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":15,"dst_ref":43308,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[247,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":194979},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.030732,"noise_level":-27.199766,"freq_skew":1.341393,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":44.299999,"lon":-3.900000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":195896},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.627705,"noise_level":-27.344002,"freq_skew":1.070338,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":770,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[176,118,172,20]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":198249},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303753,"noise_level":-27.223454,"freq_skew":0.677743,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":47.500000,"flags":192,"pdu_id":17747,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":43308,"dst_ref":15,"variable_part_params":[{"name":"checksum","value":[253,141]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":949617},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.609800,"noise_level":-27.441101,"freq_skew":1.914032,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7331,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":16,"dst_ref":43309,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[42,210]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":952031},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338130,"noise_level":-28.359493,"freq_skew":1.364882,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"VY33KE","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":952031},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.338130,"noise_level":-28.359493,"freq_skew":1.364882,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":954229},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.429476,"noise_level":-28.617874,"freq_skew":-0.959015,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,87,71,0,60,75,75,0,0,83,65,65,66,0,0,0],"dst_nsap":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":734,"segment_offset":0,"pdu_total_len":108},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":3,"type_name":"ATN system management","category_id":3,"category_name":"none","route_policy":0}}]}},{"name":"priority","value":[14]}],"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":958404},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788193,"noise_level":-28.432455,"freq_skew":0.642616,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":40426,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733156,"usec":960441},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.558226,"noise_level":-28.409554,"freq_skew":0.652578,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17748,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":0,"variable_part_params":[{"name":"checksum","value":[141,138]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733157,"usec":712399},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.701488,"noise_level":-28.095110,"freq_skew":1.746753,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733157,"usec":716408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.855215,"noise_level":-28.306656,"freq_skew":-1.553614,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733158,"usec":477352},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.294792,"noise_level":-27.995852,"freq_skew":1.666378,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43309,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[164,58]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":5,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733158,"usec":481253},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.113203,"noise_level":-28.599899,"freq_skew":-0.991844,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":737,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733158,"usec":482191},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477827,"noise_level":-28.530046,"freq_skew":0.487890,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17754,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":1,"variable_part_params":[{"name":"checksum","value":[51,131]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733158,"usec":484094},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718617,"noise_level":-28.414860,"freq_skew":0.986436,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"_d","blk_id":"5","ack":"W","flight":"U235GQ","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733159,"usec":238770},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923159,"noise_level":-28.233679,"freq_skew":1.224295,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":628,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43215,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[166,156,101,174]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43215,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[253,153,237,61]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":5,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733159,"usec":996048},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.827149,"noise_level":-27.796595,"freq_skew":1.808141,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733159,"usec":997349},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676728,"noise_level":-28.331213,"freq_skew":0.636329,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17756,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[137,14]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":5,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733159,"usec":999670},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.305066,"noise_level":-28.196268,"freq_skew":0.488898,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2887,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733160,"usec":74},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359222,"noise_level":-28.173981,"freq_skew":1.415507,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"VY33KE","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733160,"usec":6607},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.465622,"noise_level":-27.954187,"freq_skew":1.215322,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733160,"usec":6985},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238897,"noise_level":-28.452883,"freq_skew":1.480072,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733160,"usec":756713},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483706,"noise_level":-28.492823,"freq_skew":-1.225037,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"VY01MC","msg_num":"M98","msg_num_seq":"A","msg_text":"200554,37000,2120, 120,N 42.911 W  1.594, 783"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733160,"usec":757246},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299505,"noise_level":-28.446762,"freq_skew":1.867045,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7333,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[223,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733160,"usec":760635},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.772025,"noise_level":-28.175407,"freq_skew":0.562701,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17757,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[55,115]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":5,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECM,/ATC UNIT MADRID,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733161,"usec":522905},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.669075,"noise_level":-27.977312,"freq_skew":1.456577,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733161,"usec":529898},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.102316,"noise_level":-27.635927,"freq_skew":1.539050,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[219,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733161,"usec":531704},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.156177,"noise_level":-27.937948,"freq_skew":-2.513165,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-7.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733162,"usec":282396},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.699605,"noise_level":-27.873201,"freq_skew":0.353747,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":371,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,48,22,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733162,"usec":287541},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.050923,"noise_level":-27.618935,"freq_skew":0.598686,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733162,"usec":290927},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.780475,"noise_level":-27.556515,"freq_skew":-1.058322,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733162,"usec":291535},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275192,"noise_level":-27.515148,"freq_skew":-2.339443,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDN","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH092N","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733162,"usec":291535},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.275192,"noise_level":-27.515148,"freq_skew":-2.339443,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062216","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,142,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":44460},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.033105,"noise_level":-27.291090,"freq_skew":2.663977,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"2","ack":"M","flight":"EC13NK","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":45077},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.871420,"noise_level":-27.250967,"freq_skew":1.031331,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[147,41,205,28]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":811440},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.744864,"noise_level":-26.859606,"freq_skew":-0.757068,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43132,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[93,242,51,222]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":811862},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.622914,"noise_level":-27.501022,"freq_skew":-2.009455,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":42.600002,"lon":-3.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":812164},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627707,"noise_level":-27.480448,"freq_skew":2.527653,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"EC13NK","msg_num":"F39","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,76,2104017CB5"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":814624},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.745553,"noise_level":-27.317572,"freq_skew":-2.518853,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":814821},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.207248,"noise_level":-27.297424,"freq_skew":-1.416050,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-2.900000},"alt":20000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":818384},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.805359,"noise_level":-27.257271,"freq_skew":-1.106070,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":818776},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620459,"noise_level":-27.257271,"freq_skew":2.719715,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,85,195,34]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":819560},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785066,"noise_level":-27.217302,"freq_skew":0.555404,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3451D3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733163,"usec":822545},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.243601,"noise_level":-27.157692,"freq_skew":1.291279,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733164,"usec":565355},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.606355,"noise_level":-27.221725,"freq_skew":1.436040,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733164,"usec":570432},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.200678,"noise_level":-27.083197,"freq_skew":2.590696,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"EC13NK","msg_num":"F39","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,76,2104017CB5"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733164,"usec":571176},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.457566,"noise_level":-27.024498,"freq_skew":-2.559297,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733165,"usec":331034},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.004122,"noise_level":-26.869877,"freq_skew":-0.642360,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":727,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":9,"ack":5,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733165,"usec":332945},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.347651,"noise_level":-27.658268,"freq_skew":0.642238,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"_d","blk_id":"7","ack":"M","flight":"IB0620","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733165,"usec":340473},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.742763,"noise_level":-27.533310,"freq_skew":0.220257,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":371,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,48,22,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733165,"usec":341866},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500679,"noise_level":-27.471500,"freq_skew":0.788519,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"IB0620","msg_num":"D08","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,020491,1,1,TB000000/REP033,00,00,1/                                           "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733165,"usec":343261},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.119626,"noise_level":-27.430536,"freq_skew":0.739626,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733166,"usec":97214},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793995,"noise_level":-27.328964,"freq_skew":0.639047,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3451D3","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Request / Broadcast Handoff","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"autotune_freq","value":{"freq_mhz":136.975006,"modulation_support":["VDL-M2, D8PSK, 31500 bps"]}},{"name":"replacement_ground_stations","value":["10940A"]},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733166,"usec":98316},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421880,"noise_level":-27.248552,"freq_skew":-1.423993,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733166,"usec":102162},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.066473,"noise_level":-27.188728,"freq_skew":1.681642,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[219,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733166,"usec":853009},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.994695,"noise_level":-27.898170,"freq_skew":0.260057,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-6.700000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733166,"usec":853817},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.158611,"noise_level":-27.833719,"freq_skew":0.508532,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733166,"usec":854078},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764779,"noise_level":-27.833719,"freq_skew":0.662407,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733166,"usec":857934},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.216190,"noise_level":-27.787895,"freq_skew":2.790640,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"EC13NK","msg_num":"F39","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,76,2104017CB5"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733168,"usec":380484},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.930858,"noise_level":-26.879009,"freq_skew":-1.902992,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":868,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43074,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[76,40,236,202]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733168,"usec":386759},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.106815,"noise_level":-26.651886,"freq_skew":2.711366,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":587,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733169,"usec":151612},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.561914,"noise_level":-26.286066,"freq_skew":0.650083,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":40753,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733169,"usec":156601},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.233874,"noise_level":-26.161583,"freq_skew":0.420109,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32047,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[55,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733169,"usec":907093},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683549,"noise_level":-25.781578,"freq_skew":0.836642,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733170,"usec":665887},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.162197,"noise_level":-25.597633,"freq_skew":0.887101,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733170,"usec":670727},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167899,"noise_level":-25.482574,"freq_skew":0.208588,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-6.500000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733170,"usec":673836},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.782004,"noise_level":-25.369019,"freq_skew":2.744403,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733171,"usec":426138},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.004457,"noise_level":-25.225166,"freq_skew":1.353354,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[36,192,128,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733171,"usec":438897},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.555912,"noise_level":-24.929087,"freq_skew":-2.309700,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":42.600002,"lon":-3.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733172,"usec":186858},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538008,"noise_level":-25.414028,"freq_skew":0.587782,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":40753,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733172,"usec":186985},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.074175,"noise_level":-25.414028,"freq_skew":-2.189795,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43100,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[192,129,174,185]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733172,"usec":192164},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.669082,"noise_level":-25.844910,"freq_skew":1.409121,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733172,"usec":197592},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977735,"noise_level":-25.760204,"freq_skew":-2.171642,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNE","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"BA045P","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733172,"usec":197592},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.977735,"noise_level":-25.760204,"freq_skew":-2.171642,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20072465","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,117,53,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733172,"usec":945194},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313033,"noise_level":-26.161898,"freq_skew":1.120628,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":629,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":75,"dst_ref":1540,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[233,233,164,224]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733172,"usec":946062},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538294,"noise_level":-26.109087,"freq_skew":-0.596753,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733173,"usec":714914},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643670,"noise_level":-25.548429,"freq_skew":3.419870,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":776,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[253,176,212,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733173,"usec":715607},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.777556,"noise_level":-26.183880,"freq_skew":-2.294374,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733174,"usec":471162},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.799987,"noise_level":-26.683975,"freq_skew":0.412631,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733174,"usec":473930},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.877356,"noise_level":-26.898819,"freq_skew":0.375401,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-6.700000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733174,"usec":478181},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.205383,"noise_level":-26.784256,"freq_skew":0.399323,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2888,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43222,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[69,90]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733174,"usec":479758},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.929634,"noise_level":-26.727533,"freq_skew":-2.254736,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733174,"usec":480646},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.806139,"noise_level":-26.732588,"freq_skew":0.529832,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733175,"usec":232986},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.023988,"noise_level":-26.620182,"freq_skew":0.214336,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVT","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"EC48XR","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733175,"usec":234405},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.208716,"noise_level":-26.527611,"freq_skew":0.340333,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733175,"usec":236185},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885153,"noise_level":-26.454256,"freq_skew":0.710918,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21000353","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733176,"usec":221},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.343346,"noise_level":-26.184563,"freq_skew":-2.044244,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43100,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[192,129,174,185]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733176,"usec":1306},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.393745,"noise_level":-26.114040,"freq_skew":0.451065,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVT","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733176,"usec":4500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.433265,"noise_level":-25.974684,"freq_skew":0.298803,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733176,"usec":754372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602860,"noise_level":-25.736065,"freq_skew":-1.091908,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733176,"usec":754971},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.623932,"noise_level":-25.702505,"freq_skew":3.292986,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":776,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[253,176,212,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733176,"usec":759258},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518272,"noise_level":-25.503826,"freq_skew":0.654019,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":51948,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733176,"usec":760922},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.114583,"noise_level":-25.454857,"freq_skew":-1.401195,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-2.900000},"alt":20000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733177,"usec":519861},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.620040,"noise_level":-25.373856,"freq_skew":0.468287,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3451D3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733177,"usec":522830},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285744,"noise_level":-25.214077,"freq_skew":0.608446,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":474,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43160,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[206,142,168,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733177,"usec":524806},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890152,"noise_level":-26.065084,"freq_skew":-0.931674,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":703,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[84,118,198,237]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733177,"usec":529181},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.415091,"noise_level":-26.047640,"freq_skew":3.390952,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733178,"usec":287740},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.271049,"noise_level":-25.807037,"freq_skew":0.527581,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733178,"usec":288923},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386523,"noise_level":-25.739500,"freq_skew":-0.031697,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-6.500000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733178,"usec":292448},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713450,"noise_level":-25.639168,"freq_skew":0.320805,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":718,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733179,"usec":53201},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.260275,"noise_level":-25.249044,"freq_skew":-1.774917,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[33,55,217,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733179,"usec":55045},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031818,"noise_level":-26.088392,"freq_skew":1.456768,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":44.200001,"lon":-3.900000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733179,"usec":808110},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.510999,"noise_level":-25.949444,"freq_skew":0.709539,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":51948,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733179,"usec":810077},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.328742,"noise_level":-26.731812,"freq_skew":0.184346,"avlc":{"src":{"addr":"406E66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30539,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[40,11,130,213]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733179,"usec":814166},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724452,"noise_level":-27.393341,"freq_skew":1.991739,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733179,"usec":815055},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.779379,"noise_level":-27.393341,"freq_skew":0.608462,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733180,"usec":572811},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.591573,"noise_level":-26.879816,"freq_skew":2.141060,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[24,51,128,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733180,"usec":573684},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234778,"noise_level":-26.879816,"freq_skew":0.691576,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733180,"usec":576013},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.598724,"noise_level":-26.765501,"freq_skew":1.856120,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733180,"usec":576568},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.609493,"noise_level":-26.765501,"freq_skew":0.492560,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17779,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":72,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[15,229,9,70]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733181,"usec":335568},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.416564,"noise_level":-26.910326,"freq_skew":1.189053,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":583,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43137,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[95,142,211,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733181,"usec":337415},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.498905,"noise_level":-26.795612,"freq_skew":0.958210,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733182,"usec":87542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.180002,"noise_level":-27.193096,"freq_skew":0.450462,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733182,"usec":854837},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.069830,"noise_level":-26.579073,"freq_skew":0.737209,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":276,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733182,"usec":858280},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.310605,"noise_level":-26.377644,"freq_skew":0.740653,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733183,"usec":618491},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.745722,"noise_level":-26.512383,"freq_skew":3.371095,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.600002,"lon":-4.100000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733183,"usec":621413},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-9.345034,"noise_level":-26.494017,"freq_skew":0.653152,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":403,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":61,"dst_ref":60719,"variable_part_params":[{"name":"atn_checksum","value":[27,219,215,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733184,"usec":375187},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393552,"noise_level":-26.223108,"freq_skew":-1.629358,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":869,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60953,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[30,161,3,236]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733184,"usec":375815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.400979,"noise_level":-26.187618,"freq_skew":1.542019,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733184,"usec":376182},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.250576,"noise_level":-26.169926,"freq_skew":-1.875534,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":870,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60953,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[220,156,73,63]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733184,"usec":378755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.314492,"noise_level":-26.012304,"freq_skew":0.895665,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733185,"usec":136438},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.186870,"noise_level":-25.738964,"freq_skew":0.576095,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQS","mode":"2","label":"8E","blk_id":"2","ack":"!","flight":"EC52FK","msg_num":"M86","msg_num_seq":"A","msg_text":"LPFR,2035"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733185,"usec":901336},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477292,"noise_level":-25.392780,"freq_skew":0.954052,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733185,"usec":901460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612398,"noise_level":-25.392780,"freq_skew":0.918675,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733185,"usec":905487},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.950874,"noise_level":-25.200985,"freq_skew":0.385876,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":44.500000,"lon":-3.900000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733185,"usec":910686},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.178342,"noise_level":-25.028818,"freq_skew":-2.640218,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-7.200000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733186,"usec":670065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440110,"noise_level":-24.921007,"freq_skew":0.826319,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733187,"usec":421711},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.931097,"noise_level":-24.649771,"freq_skew":3.620694,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"5U","blk_id":"8","ack":"!","flight":"U245GK","msg_num":"M86","msg_num_seq":"A","msg_text":"LEXJ LFBD LFRS LFRB-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733187,"usec":422862},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331639,"noise_level":-24.892063,"freq_skew":0.342397,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733187,"usec":423730},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.001117,"noise_level":-24.846418,"freq_skew":0.159785,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-6.500000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733188,"usec":190242},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.207302,"noise_level":-24.504211,"freq_skew":0.430312,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733188,"usec":192391},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843387,"noise_level":-24.563734,"freq_skew":3.566473,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"_d","blk_id":"9","ack":"W","flight":"U245GK","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733188,"usec":195298},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.783401,"noise_level":-24.549057,"freq_skew":0.621125,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":98,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733188,"usec":197351},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.949171,"noise_level":-24.805021,"freq_skew":2.147103,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":801,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22797,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[95,19,164,29]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733188,"usec":197351},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.949171,"noise_level":-24.805021,"freq_skew":2.147103,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":802,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43198,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[99,93,60,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733188,"usec":956641},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.199491,"noise_level":-25.354624,"freq_skew":1.317938,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733188,"usec":957199},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686230,"noise_level":-26.092228,"freq_skew":0.672014,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733188,"usec":958008},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.293308,"noise_level":-26.216705,"freq_skew":0.668975,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733188,"usec":965625},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720693,"noise_level":-26.145012,"freq_skew":2.243007,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":801,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22797,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[95,19,164,29]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733189,"usec":709510},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722356,"noise_level":-26.074806,"freq_skew":2.141174,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":255,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[58,172,5,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733189,"usec":712372},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.980570,"noise_level":-25.901733,"freq_skew":1.118970,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733189,"usec":712372},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.980570,"noise_level":-25.901733,"freq_skew":1.118970,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":771,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[41,32,215,113]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43172,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[247,141,134,210]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733189,"usec":714191},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660391,"noise_level":-26.579544,"freq_skew":2.597487,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":530,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[37,230,185,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733190,"usec":477407},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.175060,"noise_level":-26.323967,"freq_skew":1.117532,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":630,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":75,"dst_ref":1540,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[233,233,164,224]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733190,"usec":480424},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.515718,"noise_level":-26.128304,"freq_skew":0.725424,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17789,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[165,156,15,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733190,"usec":484578},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.528090,"noise_level":-26.023407,"freq_skew":-0.157536,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":870,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[27,107,201,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733190,"usec":484883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.694021,"noise_level":-26.392471,"freq_skew":1.213881,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733191,"usec":240859},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.424106,"noise_level":-26.054621,"freq_skew":0.499656,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733191,"usec":247556},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.952456,"noise_level":-26.002457,"freq_skew":1.006205,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733191,"usec":247766},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238974,"noise_level":-26.002457,"freq_skew":3.662238,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"_d","blk_id":"9","ack":"W","flight":"U245GK","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733191,"usec":996091},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546685,"noise_level":-26.626133,"freq_skew":0.383399,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733191,"usec":996421},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691065,"noise_level":-26.607529,"freq_skew":0.569328,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":98,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733191,"usec":998476},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.725363,"noise_level":-26.886700,"freq_skew":0.677490,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":41382,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733192,"usec":2881},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.955335,"noise_level":-27.469007,"freq_skew":1.975541,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1509,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[141,117,72,90]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733192,"usec":3326},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.872832,"noise_level":-27.448505,"freq_skew":3.467535,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.600002,"lon":-4.100000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733192,"usec":5469},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.510149,"noise_level":-27.326511,"freq_skew":2.432554,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":801,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22797,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[95,19,164,29]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733192,"usec":9575},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.213976,"noise_level":-27.537510,"freq_skew":-0.276461,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2417,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733192,"usec":756244},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.493235,"noise_level":-27.516850,"freq_skew":-0.753793,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":544,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733192,"usec":757021},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.081182,"noise_level":-27.455154,"freq_skew":-1.427599,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-2.900000},"alt":20000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733192,"usec":758828},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.360098,"noise_level":-27.333067,"freq_skew":0.665554,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQS","mode":"2","label":"_d","blk_id":"3","ack":"I","flight":"EC52FK","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733192,"usec":758963},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.863202,"noise_level":-27.333067,"freq_skew":0.560780,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3451D3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733193,"usec":526042},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390754,"noise_level":-26.861181,"freq_skew":0.238161,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43146,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[240,212,235,108]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733193,"usec":530964},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623641,"noise_level":-26.709415,"freq_skew":0.817149,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQS","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EC52FK","msg_num":"F40","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN39301W006556,N39469W006377,200631,390,ELVAR,200936,ALAGU,M55,31326,726CEF"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733194,"usec":277542},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.027724,"noise_level":-26.541790,"freq_skew":1.187903,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":772,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43172,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,159,235,140]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733194,"usec":279779},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031575,"noise_level":-26.431812,"freq_skew":0.848415,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQS","mode":"2","label":"_d","blk_id":"5","ack":"J","flight":"EC52FK","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733194,"usec":280051},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.689142,"noise_level":-26.743931,"freq_skew":0.514618,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733194,"usec":283765},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.280070,"noise_level":-26.725071,"freq_skew":-0.170662,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":657,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[251,52]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733194,"usec":291241},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523023,"noise_level":-26.603405,"freq_skew":-2.244657,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-7.200000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733194,"usec":291442},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.122826,"noise_level":-26.603405,"freq_skew":-1.947754,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":301,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":44090},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316314,"noise_level":-26.732626,"freq_skew":-0.310612,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":658,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[222,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":46602},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.653830,"noise_level":-26.583071,"freq_skew":0.628065,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":46747},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567202,"noise_level":-27.259874,"freq_skew":1.156231,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":47020},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.660311,"noise_level":-27.239861,"freq_skew":0.841064,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":98,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":47873},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442487,"noise_level":-27.199974,"freq_skew":-2.450130,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDN","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH092N","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":47873},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.442487,"noise_level":-27.199974,"freq_skew":-2.450130,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062216","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,142,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":48181},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.815836,"noise_level":-27.446293,"freq_skew":0.712074,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":41382,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":49356},"freq":136975000,"burst_len_octets":187,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541513,"noise_level":-27.529373,"freq_skew":0.764491,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQS","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"EC52FK","msg_num":"F41","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPFR,28O,61,203532/PR1258,329,390,72,,0,26,,,70,,,P20,M4,38000,,1186,326/RP:DA:LSZH:AA:LPFR..ELVAR:A:ALAG7A:AP:ILSZ28.GEBTI(28O)B1E3"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":49874},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031624,"noise_level":-27.529373,"freq_skew":0.609281,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"17062216","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":50774},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.374257,"noise_level":-27.508732,"freq_skew":3.591136,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"_d","blk_id":"9","ack":"W","flight":"U245GK","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":50774},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.374257,"noise_level":-27.508732,"freq_skew":3.591136,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"_d","blk_id":"0","ack":"A","flight":"U245GK","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":808198},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.449961,"noise_level":-27.238846,"freq_skew":0.508707,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDN","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":815051},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.445405,"noise_level":-27.119740,"freq_skew":0.160073,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-6.500000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":815201},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592710,"noise_level":-27.119740,"freq_skew":-2.228048,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":819444},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.162340,"noise_level":-27.080399,"freq_skew":0.000003,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":39.200001,"lon":-7.400000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":819444},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.162340,"noise_level":-27.080399,"freq_skew":0.000003,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":725,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733195,"usec":820745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.135697,"noise_level":-27.002243,"freq_skew":0.785806,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733196,"usec":570920},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.565715,"noise_level":-26.944088,"freq_skew":2.382132,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":801,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22797,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[95,19,164,29]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733196,"usec":571241},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.944251,"noise_level":-26.924789,"freq_skew":1.259383,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":773,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[126,236,10,28]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733196,"usec":572516},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.014108,"noise_level":-26.848015,"freq_skew":0.131655,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTC","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"U296BD","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733196,"usec":574709},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424280,"noise_level":-26.790882,"freq_skew":0.087845,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20057423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,95,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733196,"usec":576163},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.170751,"noise_level":-27.306057,"freq_skew":0.651962,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733196,"usec":576843},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.257065,"noise_level":-27.265863,"freq_skew":0.694094,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405F13","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733196,"usec":578820},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.314507,"noise_level":-27.186031,"freq_skew":0.318650,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43146,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[240,212,235,108]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733197,"usec":332450},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.641828,"noise_level":-27.067642,"freq_skew":0.933029,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1727,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43082,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[38,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733197,"usec":332680},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.378000,"noise_level":-27.670145,"freq_skew":0.300621,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":372,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733197,"usec":342951},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738159,"noise_level":-27.259882,"freq_skew":1.794775,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":295,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733197,"usec":343535},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736556,"noise_level":-27.259882,"freq_skew":0.449199,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":92896},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.126971,"noise_level":-27.590172,"freq_skew":0.660806,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":93200},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.236382,"noise_level":-27.569386,"freq_skew":0.655165,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":94681},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785207,"noise_level":-27.486727,"freq_skew":-0.119769,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":99142},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661276,"noise_level":-27.723597,"freq_skew":-0.592686,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":544,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":100211},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.051598,"noise_level":-27.702486,"freq_skew":0.796784,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[137,30,180,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":102430},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.282651,"noise_level":-28.128269,"freq_skew":-2.049544,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":301,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":102988},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.973937,"noise_level":-28.128269,"freq_skew":0.630067,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32609,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[245,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":859534},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.404529,"noise_level":-28.590675,"freq_skew":-0.203816,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":658,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[222,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":859716},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460366,"noise_level":-28.590675,"freq_skew":-2.061969,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[121,98,197,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":860100},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409132,"noise_level":-28.618111,"freq_skew":-0.385520,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733198,"usec":868441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630569,"noise_level":-28.318775,"freq_skew":-0.235307,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733199,"usec":613880},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.609242,"noise_level":-28.082638,"freq_skew":-0.436529,"avlc":{"src":{"addr":"347387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":404,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733199,"usec":614109},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.008513,"noise_level":-28.833626,"freq_skew":-0.857587,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":545,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[134,89,238,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733199,"usec":614696},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.448410,"noise_level":-28.809643,"freq_skew":0.527052,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17804,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":69,"credit":10,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[189,77,190,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733199,"usec":615796},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.725935,"noise_level":-29.090012,"freq_skew":-1.813975,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733199,"usec":616468},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.689298,"noise_level":-29.809608,"freq_skew":1.010120,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":708,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[225,33,90,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733199,"usec":618886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.589176,"noise_level":-29.597254,"freq_skew":2.776703,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733200,"usec":378237},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511841,"noise_level":-29.467121,"freq_skew":-0.308268,"avlc":{"src":{"addr":"347387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":405,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43171,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[233,99,213,183]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733200,"usec":379504},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702736,"noise_level":-29.364399,"freq_skew":2.659569,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":531,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733200,"usec":380730},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432071,"noise_level":-29.262882,"freq_skew":3.034966,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4072,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[192,150]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733200,"usec":382615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.229213,"noise_level":-29.671577,"freq_skew":0.719654,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733200,"usec":383669},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.018166,"noise_level":-29.592594,"freq_skew":3.461658,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.600002,"lon":-4.100000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733201,"usec":147598},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.185686,"noise_level":-29.158100,"freq_skew":3.375945,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U268FY","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733201,"usec":147598},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.185686,"noise_level":-29.158100,"freq_skew":3.375945,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20065621","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,107,145,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733201,"usec":148779},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432328,"noise_level":-29.312315,"freq_skew":0.688618,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32609,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[245,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733201,"usec":149133},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.787227,"noise_level":-29.286978,"freq_skew":0.685839,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733201,"usec":900579},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.098650,"noise_level":-28.964123,"freq_skew":3.049839,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733201,"usec":904217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.269552,"noise_level":-28.747437,"freq_skew":2.225017,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733201,"usec":905731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842274,"noise_level":-28.652840,"freq_skew":2.486478,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733201,"usec":906578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.467802,"noise_level":-28.605927,"freq_skew":3.583350,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733201,"usec":906726},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390138,"noise_level":-28.605927,"freq_skew":0.200729,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4728,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60931,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[1,48]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733202,"usec":668358},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.294889,"noise_level":-28.150200,"freq_skew":0.531878,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733202,"usec":669449},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.451920,"noise_level":-28.105917,"freq_skew":-0.306559,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":658,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[222,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733202,"usec":673707},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.645428,"noise_level":-28.132936,"freq_skew":-0.512459,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":545,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[134,89,238,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733202,"usec":676314},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459444,"noise_level":-28.044767,"freq_skew":3.289497,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733203,"usec":427475},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.488169,"noise_level":-27.785501,"freq_skew":0.720095,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17812,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8,"credit":10,"rseq":8,"variable_part_params":[{"name":"checksum","value":[63,120]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733203,"usec":429909},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.284780,"noise_level":-27.637764,"freq_skew":-0.644797,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733204,"usec":192805},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.896900,"noise_level":-27.369883,"freq_skew":0.899389,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1061,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43118,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[136,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733204,"usec":195167},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.551770,"noise_level":-27.209049,"freq_skew":0.286863,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43142,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[117,17,150,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733204,"usec":198524},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.004617,"noise_level":-27.090349,"freq_skew":1.149052,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1062,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43118,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[179,31]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733204,"usec":199846},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.123165,"noise_level":-27.051140,"freq_skew":1.216764,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":527,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733204,"usec":201034},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.541615,"noise_level":-26.973248,"freq_skew":0.700842,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":41794,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733204,"usec":947744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.133979,"noise_level":-26.853970,"freq_skew":0.717683,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733204,"usec":952383},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.795552,"noise_level":-26.783730,"freq_skew":-2.066225,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733204,"usec":953676},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667348,"noise_level":-27.243082,"freq_skew":1.266464,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":584,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733205,"usec":724680},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.302590,"noise_level":-27.916105,"freq_skew":0.571942,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17812,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8,"credit":10,"rseq":8,"variable_part_params":[{"name":"checksum","value":[63,120]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733205,"usec":725360},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.080593,"noise_level":-28.058395,"freq_skew":-0.334298,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733205,"usec":725867},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.649605,"noise_level":-28.122175,"freq_skew":1.037933,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733205,"usec":729071},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.293598,"noise_level":-27.925278,"freq_skew":-0.182471,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":659,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[140,24]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733205,"usec":731638},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767149,"noise_level":-27.775162,"freq_skew":-1.981498,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":560,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43100,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[22,78,224,100]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43100,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[26,3,151,139]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":11,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733206,"usec":473260},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556108,"noise_level":-27.775162,"freq_skew":0.644681,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733206,"usec":474254},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.846157,"noise_level":-28.241980,"freq_skew":0.894327,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1728,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43082,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[7,26]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733206,"usec":477699},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.957495,"noise_level":-28.584991,"freq_skew":1.853636,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733206,"usec":480624},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.325952,"noise_level":-29.048954,"freq_skew":2.238701,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733206,"usec":482752},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378463,"noise_level":-28.926725,"freq_skew":-0.211980,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":660,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[222,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733206,"usec":484014},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.221022,"noise_level":-28.854206,"freq_skew":0.627251,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733207,"usec":236690},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.760167,"noise_level":-28.663731,"freq_skew":0.373819,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4728,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60931,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[1,48]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733207,"usec":237051},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.171313,"noise_level":-28.640211,"freq_skew":-2.122440,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733207,"usec":237602},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336243,"noise_level":-28.616755,"freq_skew":-0.461380,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":661,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[140,24]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733207,"usec":238587},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.972448,"noise_level":-29.090820,"freq_skew":1.059651,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":527,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733207,"usec":240216},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.973235,"noise_level":-29.041485,"freq_skew":0.500139,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":41794,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733207,"usec":240648},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350782,"noise_level":-29.016922,"freq_skew":0.260023,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-6.500000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733207,"usec":994482},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.155362,"noise_level":-28.775043,"freq_skew":0.712949,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733207,"usec":994938},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261389,"noise_level":-28.751223,"freq_skew":0.795115,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733207,"usec":996717},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.872894,"noise_level":-28.633087,"freq_skew":-0.175959,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733208,"usec":2256},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420465,"noise_level":-28.583866,"freq_skew":0.632642,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":891,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1499,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[91,159,3,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733208,"usec":763648},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.848966,"noise_level":-28.285685,"freq_skew":-0.206905,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733208,"usec":764585},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456173,"noise_level":-28.240707,"freq_skew":0.050861,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733208,"usec":764894},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.092106,"noise_level":-28.218304,"freq_skew":2.837770,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"EC13NK","msg_num":"F39","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,76,2104017CB5"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733208,"usec":765555},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.866629,"noise_level":-28.218304,"freq_skew":1.816372,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":272,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733208,"usec":770609},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392900,"noise_level":-28.085089,"freq_skew":-1.714334,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":871,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733208,"usec":771510},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.103758,"noise_level":-28.041134,"freq_skew":-0.366771,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":662,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[190,197]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733209,"usec":515923},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.072024,"noise_level":-29.126692,"freq_skew":-0.312796,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733209,"usec":516215},"freq":136975000,"burst_len_octets":140,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653529,"noise_level":-29.101887,"freq_skew":0.468575,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":44.500000,"lon":-3.900000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733209,"usec":516215},"freq":136975000,"burst_len_octets":140,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.653529,"noise_level":-29.101887,"freq_skew":0.468575,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":719,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30593,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[22,248,74,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733209,"usec":516215},"freq":136975000,"burst_len_octets":140,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.653529,"noise_level":-29.101887,"freq_skew":0.468575,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":720,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30593,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[252,33,197,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733209,"usec":518544},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.010994,"noise_level":-28.930214,"freq_skew":-0.418473,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":663,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[240,61]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733209,"usec":519152},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475887,"noise_level":-28.905964,"freq_skew":0.671280,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":41794,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733209,"usec":523035},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.355569,"noise_level":-28.643587,"freq_skew":1.124058,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733210,"usec":284592},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491349,"noise_level":-28.434658,"freq_skew":0.462626,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733210,"usec":284759},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478343,"noise_level":-28.434658,"freq_skew":0.494686,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EJCV","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U235DL","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733210,"usec":284759},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.478343,"noise_level":-28.434658,"freq_skew":0.494686,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20077542","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,127,98,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733210,"usec":288708},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646811,"noise_level":-28.253067,"freq_skew":0.621259,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":51993,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[7,63,210,92]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733211,"usec":48348},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781684,"noise_level":-28.097229,"freq_skew":1.266854,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1527,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[184,94,233,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733211,"usec":50565},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.929924,"noise_level":-27.967045,"freq_skew":0.604945,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733211,"usec":58538},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.828977,"noise_level":-27.710056,"freq_skew":-0.210125,"avlc":{"src":{"addr":"347387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733211,"usec":803723},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.122687,"noise_level":-28.499321,"freq_skew":1.217910,"avlc":{"src":{"addr":"343046","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733211,"usec":804042},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.205291,"noise_level":-28.476246,"freq_skew":0.491669,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733211,"usec":807521},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.407435,"noise_level":-28.293791,"freq_skew":1.588910,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733211,"usec":808749},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.998064,"noise_level":-28.226347,"freq_skew":0.644903,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733211,"usec":810320},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.138356,"noise_level":-28.137228,"freq_skew":0.562104,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":719,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30593,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[22,248,74,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733211,"usec":812545},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977136,"noise_level":-28.005239,"freq_skew":0.427199,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":720,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30593,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[252,33,197,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733212,"usec":568641},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785621,"noise_level":-27.918350,"freq_skew":0.805686,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQS","mode":"2","label":"_d","blk_id":"7","ack":"K","flight":"EC52FK","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733212,"usec":571102},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.955397,"noise_level":-27.768354,"freq_skew":1.087273,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1063,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43118,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[106,87]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733212,"usec":574496},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.967876,"noise_level":-27.558470,"freq_skew":-0.245277,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733212,"usec":576067},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.847649,"noise_level":-27.496481,"freq_skew":0.453089,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":42039,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733212,"usec":576229},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.297213,"noise_level":-27.892624,"freq_skew":-0.322695,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNY","mode":"2","label":"5Y","blk_id":"1","ack":"!","flight":"TP0442","msg_num":"M73","msg_num_seq":"A","msg_text":"---2122  65N 422334,W  32627,31988,  481375,MS40,302, 31,287,200648,14440"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733213,"usec":331488},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.372405,"noise_level":-27.700804,"freq_skew":-0.470985,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733213,"usec":332044},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.205093,"noise_level":-28.592827,"freq_skew":-0.156420,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":662,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[190,197]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733213,"usec":334376},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.104520,"noise_level":-28.523029,"freq_skew":0.320448,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733213,"usec":336931},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954147,"noise_level":-28.430832,"freq_skew":-1.092199,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":704,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733213,"usec":337863},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.371346,"noise_level":-28.407934,"freq_skew":0.638644,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733213,"usec":339556},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616106,"noise_level":-28.316940,"freq_skew":2.780660,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":96540},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.241796,"noise_level":-28.204527,"freq_skew":-0.469311,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":663,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[240,61]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":97180},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.188886,"noise_level":-28.776197,"freq_skew":1.129126,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":97414},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.873608,"noise_level":-28.752373,"freq_skew":0.727131,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNY","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":97577},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619483,"noise_level":-28.752373,"freq_skew":1.209272,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":99689},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734590,"noise_level":-28.610781,"freq_skew":1.273965,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":716,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[72,44,67,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":103830},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.978341,"noise_level":-28.402630,"freq_skew":1.123897,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1064,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43118,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[132,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":855681},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.414053,"noise_level":-28.311691,"freq_skew":0.605475,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17832,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[28,2,248,177]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":1,"acked_credit":2}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":856742},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.343506,"noise_level":-28.244110,"freq_skew":-1.195966,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":856971},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.856869,"noise_level":-28.244110,"freq_skew":0.689686,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"H1","blk_id":"H","ack":"!","msg_text":".HAM43LH 282006 MESX142 JUL25\r\nDFD\r\nAN CS-TVJ\r\n- #DFREQ19\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":857559},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.173017,"noise_level":-28.353546,"freq_skew":-0.120350,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":858799},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090985,"noise_level":-28.285639,"freq_skew":1.499934,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":171,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":859537},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545037,"noise_level":-28.240660,"freq_skew":0.826784,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQS","mode":"2","label":"_d","blk_id":"7","ack":"K","flight":"EC52FK","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":860495},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.818930,"noise_level":-28.173626,"freq_skew":1.574412,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"5","ack":"H","flight":"TP1366","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733214,"usec":864139},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.072176,"noise_level":-28.041088,"freq_skew":-0.731268,"avlc":{"src":{"addr":"34324F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":754,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733215,"usec":617240},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.138276,"noise_level":-27.867460,"freq_skew":-1.467575,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-2.800000},"alt":17000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733215,"usec":619454},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.171587,"noise_level":-27.739483,"freq_skew":0.563083,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733215,"usec":619635},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748693,"noise_level":-27.718332,"freq_skew":1.600814,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733215,"usec":622316},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437809,"noise_level":-27.634254,"freq_skew":-1.476524,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MKM","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"VY07TK","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733215,"usec":622962},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435625,"noise_level":-27.613358,"freq_skew":-1.489530,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15050723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,81,211,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733216,"usec":384531},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.204553,"noise_level":-27.373459,"freq_skew":0.158556,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-6.500000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733216,"usec":385382},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.210835,"noise_level":-27.332954,"freq_skew":-1.565869,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":363,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":4,"ack":2,"credit_offered":0,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733216,"usec":390489},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586448,"noise_level":-27.301937,"freq_skew":-0.152069,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JZM","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"IB0556","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733216,"usec":390489},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.586448,"noise_level":-27.301937,"freq_skew":-0.152069,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15022412","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,37,10,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733216,"usec":391477},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537826,"noise_level":-27.241743,"freq_skew":2.564738,"avlc":{"src":{"addr":"406444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGG","mode":"2","label":"5U","blk_id":"0","ack":"!","flight":"U28140","msg_num":"M30","msg_num_seq":"A","msg_text":"LFRS  BOD  TLS LFPO-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":138030},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.840149,"noise_level":-27.181967,"freq_skew":0.508093,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":99,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[91,88,120,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":140757},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550138,"noise_level":-27.382071,"freq_skew":0.877537,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":892,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":141737},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142921,"noise_level":-27.341526,"freq_skew":2.505448,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".OE-LSP","mode":"2","label":"H2","blk_id":"8","ack":"!","flight":"EC45FP","msg_num":"M41","msg_num_seq":"A","msg_text":"02E28LSGGLPPRN44521E00252119313901M532318044G    QN44255E00151119383901M522319033G    QN43580E00050619453899M515317039G    QN43301W00008419523895M510313037G    QN43020W00106319593898M522305026G    QN42383W00206"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":143817},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.867093,"noise_level":-27.261000,"freq_skew":-0.093469,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":144203},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.353610,"noise_level":-28.068581,"freq_skew":0.623983,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":144389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538220,"noise_level":-28.068581,"freq_skew":-1.691547,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":144996},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691198,"noise_level":-28.024710,"freq_skew":-2.002913,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":69,"dst_ref":30679,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[134,189,250,102]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":905042},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.132543,"noise_level":-27.829983,"freq_skew":-0.184328,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":664,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[179,206]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":905917},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.006200,"noise_level":-28.586231,"freq_skew":-0.049465,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":906465},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705228,"noise_level":-28.562923,"freq_skew":1.891176,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":220,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43268,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[61,167,231,56]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":908042},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.132019,"noise_level":-28.470303,"freq_skew":2.467557,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"H2","blk_id":"9","ack":"!","flight":"EC45FP","msg_num":"M41","msg_num_seq":"B","msg_text":"02E28LSGGLPPRN44521E00252119313901M532318044G    QN44255E00151119383901M522319033G    QN43580E00050619453899M515317039G    QN43301W00008419523895M510313037G    QN43020W00106319593898M522305026G    QN42383W00206520063904M522308034G    Q"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733217,"usec":908397},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429073,"noise_level":-28.447302,"freq_skew":-0.602960,"avlc":{"src":{"addr":"34324F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":754,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733218,"usec":663451},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843185,"noise_level":-28.242981,"freq_skew":1.068373,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1729,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30643,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[119,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733218,"usec":664630},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.057416,"noise_level":-28.733187,"freq_skew":0.026896,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733218,"usec":669072},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.570336,"noise_level":-28.452885,"freq_skew":1.512336,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[91,26]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733218,"usec":671427},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839440,"noise_level":-28.384199,"freq_skew":0.472037,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":51998,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[42,141,125,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733218,"usec":672749},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.434162,"noise_level":-28.316051,"freq_skew":0.460412,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733219,"usec":423599},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.551191,"noise_level":-28.226013,"freq_skew":0.479006,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17842,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":78,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[15,123,134,141]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFBB"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733219,"usec":427119},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.358650,"noise_level":-28.004915,"freq_skew":2.357458,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733219,"usec":427504},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.897275,"noise_level":-27.983112,"freq_skew":-0.084715,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":871,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[7,36,56,79]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43203,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[213,42,79,225]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":6,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733219,"usec":429520},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894644,"noise_level":-27.961365,"freq_skew":-1.840669,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":872,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43074,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[166,10,15,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733219,"usec":434145},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790412,"noise_level":-27.746820,"freq_skew":0.787959,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,71,82,254]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733220,"usec":186420},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.483582,"noise_level":-27.725655,"freq_skew":0.631456,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17846,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[250,105,65,37]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733220,"usec":186557},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.887010,"noise_level":-27.725655,"freq_skew":2.577756,"avlc":{"src":{"addr":"406444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGG","mode":"2","label":"5U","blk_id":"0","ack":"!","flight":"U28140","msg_num":"M30","msg_num_seq":"A","msg_text":"LFRS  BOD  TLS LFPO-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733220,"usec":194676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.163712,"noise_level":-27.272598,"freq_skew":0.719614,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733220,"usec":949934},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.010802,"noise_level":-27.232561,"freq_skew":-0.145078,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733220,"usec":951420},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831765,"noise_level":-27.884808,"freq_skew":-2.243865,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":69,"dst_ref":30679,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[134,189,250,102]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733220,"usec":956802},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331363,"noise_level":-27.567703,"freq_skew":1.977044,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7335,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733221,"usec":712025},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.168959,"noise_level":-27.497421,"freq_skew":-2.250799,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733222,"usec":473316},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.447864,"noise_level":-27.734058,"freq_skew":0.478003,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733222,"usec":473417},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526997,"noise_level":-27.734058,"freq_skew":1.271240,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733222,"usec":473492},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013141,"noise_level":-27.734058,"freq_skew":0.572741,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":51998,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[42,141,125,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733222,"usec":474077},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389077,"noise_level":-28.070244,"freq_skew":2.667033,"avlc":{"src":{"addr":"406444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGG","mode":"2","label":"_d","blk_id":"2","ack":"D","flight":"U28140","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733222,"usec":475270},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.375421,"noise_level":-27.982708,"freq_skew":-2.542546,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":676,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1492,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,195,26,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733223,"usec":247576},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.887121,"noise_level":-27.641113,"freq_skew":0.627970,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,71,82,254]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733223,"usec":251124},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.382173,"noise_level":-27.475225,"freq_skew":0.628151,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733223,"usec":253862},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.200682,"noise_level":-27.292313,"freq_skew":2.685078,"avlc":{"src":{"addr":"406444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGG","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"U28140","msg_num":"M31","msg_num_seq":"A","msg_text":"/EGKK.TI2/040EGKKA7673"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733223,"usec":997772},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.698628,"noise_level":-27.232189,"freq_skew":0.548801,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":42363,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733223,"usec":999399},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.330317,"noise_level":-27.972429,"freq_skew":0.722883,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733223,"usec":999645},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.311383,"noise_level":-27.950706,"freq_skew":0.496608,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":741,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733224,"usec":1768},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.620437,"noise_level":-27.821505,"freq_skew":0.655471,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4298,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733224,"usec":2800},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.004656,"noise_level":-28.023226,"freq_skew":-0.193752,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733224,"usec":3243},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702082,"noise_level":-28.001377,"freq_skew":0.357160,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,111,71,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733224,"usec":7262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.592738,"noise_level":-27.849951,"freq_skew":-1.181276,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733224,"usec":760448},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.347816,"noise_level":-28.167763,"freq_skew":0.598430,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[244,172,117,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733224,"usec":761700},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.887960,"noise_level":-28.101288,"freq_skew":0.770681,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733224,"usec":762172},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.226574,"noise_level":-28.057251,"freq_skew":2.449956,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[205,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733224,"usec":767172},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.882520,"noise_level":-27.883303,"freq_skew":1.730264,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733224,"usec":767541},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715631,"noise_level":-28.133354,"freq_skew":0.334148,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733226,"usec":286634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.734906,"noise_level":-27.431358,"freq_skew":2.693117,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733226,"usec":286735},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450070,"noise_level":-27.431358,"freq_skew":-1.548465,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":364,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":2,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,86,76,71,0,52,81,211],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733226,"usec":287293},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.135498,"noise_level":-27.802402,"freq_skew":-0.922818,"avlc":{"src":{"addr":"34324F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733227,"usec":46707},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.748113,"noise_level":-27.244844,"freq_skew":0.640326,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[244,172,117,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733227,"usec":48878},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.299922,"noise_level":-27.125656,"freq_skew":2.549260,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5539,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733227,"usec":49302},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.470823,"noise_level":-27.105949,"freq_skew":0.614057,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17854,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[216,104,222,231]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733227,"usec":51393},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.493647,"noise_level":-27.705597,"freq_skew":0.496248,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":475,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43160,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[6,177,25,144]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733227,"usec":52246},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.435167,"noise_level":-28.809982,"freq_skew":0.395655,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[2,52,137,190]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733227,"usec":807160},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515759,"noise_level":-28.643929,"freq_skew":0.283193,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OFZ","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"VY06DL","msg_num":"M80","msg_num_seq":"A","msg_text":"200700,36983,2204, 163,N 39.384 W  7.052,----"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733227,"usec":808306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.792882,"noise_level":-28.573723,"freq_skew":-0.356403,"avlc":{"src":{"addr":"4010DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733227,"usec":811198},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.397959,"noise_level":-28.412079,"freq_skew":0.597316,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733227,"usec":813062},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.893535,"noise_level":-28.667030,"freq_skew":0.457764,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2776,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[118,48,68,115]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733227,"usec":813391},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546494,"noise_level":-28.667030,"freq_skew":1.059946,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43270,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[65,6,84,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733228,"usec":574412},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.112273,"noise_level":-28.411671,"freq_skew":2.755664,"avlc":{"src":{"addr":"406444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGG","mode":"2","label":"_d","blk_id":"4","ack":"E","flight":"U28140","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733228,"usec":574876},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.268659,"noise_level":-28.388823,"freq_skew":0.568430,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733228,"usec":574960},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.262397,"noise_level":-28.388823,"freq_skew":0.670260,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733228,"usec":575149},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.870128,"noise_level":-28.366034,"freq_skew":0.687027,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17857,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":130,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[2,164,138,142]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":1,"acked_credit":3}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733228,"usec":576389},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.571935,"noise_level":-28.320639,"freq_skew":0.582019,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17859,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[172,193,124,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733228,"usec":578592},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.571498,"noise_level":-28.252985,"freq_skew":0.555025,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OFZ","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733228,"usec":580880},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.928690,"noise_level":-28.141388,"freq_skew":-0.185448,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":716,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733228,"usec":581553},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.527820,"noise_level":-28.819427,"freq_skew":-1.782623,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[248,160,172,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733229,"usec":326225},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.299425,"noise_level":-29.790773,"freq_skew":1.531032,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1399,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733229,"usec":328329},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.266748,"noise_level":-29.631365,"freq_skew":0.438137,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733229,"usec":328444},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549291,"noise_level":-29.631365,"freq_skew":-1.712790,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":364,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":2,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,86,76,71,0,52,81,211],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733229,"usec":331972},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.895243,"noise_level":-29.585709,"freq_skew":0.394869,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733229,"usec":332976},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438070,"noise_level":-29.533493,"freq_skew":0.590327,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733230,"usec":94945},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.101374,"noise_level":-29.176502,"freq_skew":-0.875897,"avlc":{"src":{"addr":"4AC98A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11989A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733230,"usec":96190},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.165407,"noise_level":-29.077141,"freq_skew":2.498626,"avlc":{"src":{"addr":"406444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGG","mode":"2","label":"_d","blk_id":"5","ack":"F","flight":"U28140","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733230,"usec":97835},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.812813,"noise_level":-28.954521,"freq_skew":1.109252,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[12,17,146,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733230,"usec":854112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891769,"noise_level":-28.690693,"freq_skew":2.422365,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733230,"usec":861041},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.778402,"noise_level":-28.230619,"freq_skew":0.701859,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,81,217,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":32642,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[68]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":60969,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[76,42,20,218]},{"name":"checksum","value":[107,93]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733230,"usec":861917},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405113,"noise_level":-28.208241,"freq_skew":-1.584634,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":365,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733231,"usec":619305},"freq":136975000,"burst_len_octets":244,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533644,"noise_level":-28.163662,"freq_skew":-1.576138,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":366,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":5,"ack":2,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":17,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,86,76,71,0,52,81,211]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,86,76,71,0,52,81,211]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733231,"usec":619305},"freq":136975000,"burst_len_octets":244,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.533644,"noise_level":-28.163662,"freq_skew":-1.576138,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":367,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":6,"ack":2,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":18,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,86,76,71,0,52,81,211]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,86,76,71,0,52,81,211]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733231,"usec":619813},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510364,"noise_level":-28.141457,"freq_skew":1.107021,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43270,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[65,6,84,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733231,"usec":620010},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939531,"noise_level":-28.119308,"freq_skew":0.493930,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,81,217,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":32642,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[68]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":60969,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[76,42,20,218]},{"name":"checksum","value":[107,93]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25264386,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733231,"usec":623938},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.307401,"noise_level":-27.879333,"freq_skew":-0.780801,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733231,"usec":626582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011202,"noise_level":-27.730003,"freq_skew":1.205525,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733231,"usec":626818},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.017359,"noise_level":-27.730003,"freq_skew":-0.404730,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":872,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":79,"dst_ref":60969,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[179,73,98,55]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733232,"usec":373936},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.849255,"noise_level":-28.248554,"freq_skew":-1.641468,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733232,"usec":377443},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.375166,"noise_level":-28.005030,"freq_skew":0.448195,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32646,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":79,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[5,10,89,90]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733232,"usec":377545},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224728,"noise_level":-28.005030,"freq_skew":0.685112,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733232,"usec":380843},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.139561,"noise_level":-27.853542,"freq_skew":-1.725496,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":368,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":2}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733233,"usec":140185},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031611,"noise_level":-27.704649,"freq_skew":-1.328034,"avlc":{"src":{"addr":"4CADDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":394,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43089,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[241,28,97,76]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733233,"usec":141965},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843519,"noise_level":-27.599840,"freq_skew":1.287494,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[12,17,146,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733233,"usec":145561},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.544032,"noise_level":-27.847431,"freq_skew":-1.566431,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733233,"usec":147514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.431645,"noise_level":-27.762098,"freq_skew":0.531252,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733233,"usec":902605},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.362241,"noise_level":-27.754974,"freq_skew":1.291619,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733233,"usec":904089},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.135198,"noise_level":-27.670540,"freq_skew":-0.101862,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":726,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1467,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[39,41,4,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733234,"usec":666623},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369127,"noise_level":-27.042601,"freq_skew":0.696015,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32646,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":79,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[5,10,89,90]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733234,"usec":667774},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.017838,"noise_level":-27.003605,"freq_skew":-0.437516,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":872,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":79,"dst_ref":60969,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[179,73,98,55]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733235,"usec":428229},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.147652,"noise_level":-27.182384,"freq_skew":-0.154605,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":665,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[236,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733235,"usec":434152},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.106561,"noise_level":-27.426474,"freq_skew":-0.154201,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733235,"usec":434783},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.128926,"noise_level":-27.385721,"freq_skew":0.590769,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733235,"usec":435410},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.658582,"noise_level":-27.365417,"freq_skew":-0.391701,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":666,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[61,252]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733236,"usec":190431},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.552424,"noise_level":-28.030508,"freq_skew":2.384228,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":803,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22797,"credit":4,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[250,89,27,21]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733236,"usec":192907},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535070,"noise_level":-28.537199,"freq_skew":1.282038,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":164,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733236,"usec":950054},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383250,"noise_level":-28.129154,"freq_skew":1.841225,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":256,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733236,"usec":951061},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.424558,"noise_level":-28.062971,"freq_skew":-1.504436,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733236,"usec":954426},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.944963,"noise_level":-27.845934,"freq_skew":-1.511325,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MKM","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"VY07TK","msg_num":"M05","msg_num_seq":"A","msg_text":"200712,16820,2023, 106,N 42.582 W  2.811, 620"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733236,"usec":954664},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.995550,"noise_level":-27.845934,"freq_skew":0.704664,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52014,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[94,112,130,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733237,"usec":709342},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090096,"noise_level":-27.655132,"freq_skew":0.248192,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":381,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1497,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[48,116,21,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733237,"usec":710800},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.822821,"noise_level":-27.571659,"freq_skew":1.396443,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733237,"usec":711886},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.301590,"noise_level":-27.509575,"freq_skew":0.344758,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCXO"},{"name":"ac_location","value":{"loc":{"lat":39.299999,"lon":-7.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733237,"usec":712294},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.845938,"noise_level":-27.488977,"freq_skew":0.623075,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":476,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733237,"usec":715977},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.633592,"noise_level":-28.122919,"freq_skew":2.906622,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4073,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[188,153]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733238,"usec":474893},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.308288,"noise_level":-28.034849,"freq_skew":0.668567,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733238,"usec":476108},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.486084,"noise_level":-27.969379,"freq_skew":2.339607,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":804,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43198,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[89,58,100,35]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733238,"usec":477522},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.728353,"noise_level":-28.017319,"freq_skew":2.919347,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4074,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43208,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[145,83]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733238,"usec":478121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.380264,"noise_level":-27.995483,"freq_skew":0.686208,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733238,"usec":481665},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.829130,"noise_level":-27.822758,"freq_skew":1.591474,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":616,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[76,38]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733239,"usec":243983},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602298,"noise_level":-27.569941,"freq_skew":1.872452,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"VY04LJ","msg_num":"F64","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/TS200717,072825/DTLEBB,30O,99,210017,116/FNVLG4LJD6FF"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733239,"usec":251377},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553648,"noise_level":-27.304113,"freq_skew":2.572485,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":532,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[77,135,174,176]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733239,"usec":251500},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.261603,"noise_level":-27.304113,"freq_skew":2.214242,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":805,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733239,"usec":998095},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.828581,"noise_level":-27.007170,"freq_skew":0.634362,"avlc":{"src":{"addr":"4074B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30615,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[161,252,108,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733239,"usec":998330},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.693373,"noise_level":-27.007170,"freq_skew":0.534411,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[182,71,95,148]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733240,"usec":3417},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.938524,"noise_level":-26.814701,"freq_skew":-0.303341,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733240,"usec":4087},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.215418,"noise_level":-26.776714,"freq_skew":-1.711435,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MKM","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"VY07TK","msg_num":"M05","msg_num_seq":"A","msg_text":"200712,16820,2023, 106,N 42.582 W  2.811, 620"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733240,"usec":4285},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.335382,"noise_level":-26.776714,"freq_skew":0.629516,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2777,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[172,233,10,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733240,"usec":4570},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.270312,"noise_level":-26.757784,"freq_skew":2.976126,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733240,"usec":762379},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.210459,"noise_level":-26.645052,"freq_skew":0.452285,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":381,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1497,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[48,116,21,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733240,"usec":764039},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676836,"noise_level":-26.570704,"freq_skew":0.602505,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17881,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":69,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[13,156,184,170]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":135.955000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733240,"usec":765634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.320638,"noise_level":-26.871130,"freq_skew":-1.579866,"avlc":{"src":{"addr":"3451D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733240,"usec":767574},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.059241,"noise_level":-26.813843,"freq_skew":1.918028,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733240,"usec":769832},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.590110,"noise_level":-26.775858,"freq_skew":0.589087,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733240,"usec":772003},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.113906,"noise_level":-27.009943,"freq_skew":0.500468,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733241,"usec":524668},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.908533,"noise_level":-26.913145,"freq_skew":1.074440,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":709,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[215,187,182,1]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43063,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[144,153,200,236]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733241,"usec":526050},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.301463,"noise_level":-27.529667,"freq_skew":1.372773,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[150,235]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733241,"usec":527128},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.045913,"noise_level":-27.467880,"freq_skew":2.451866,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":804,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43198,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[89,58,100,35]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733241,"usec":527128},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.045913,"noise_level":-27.467880,"freq_skew":2.451866,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":805,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733241,"usec":529224},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.617629,"noise_level":-27.406532,"freq_skew":0.680260,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17883,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":69,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[19,26,240,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733241,"usec":533886},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.217286,"noise_level":-27.185226,"freq_skew":2.200785,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.200001,"lon":-3.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733241,"usec":533886},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.217286,"noise_level":-27.185226,"freq_skew":2.200785,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"PC1561","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733241,"usec":533886},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.217286,"noise_level":-27.185226,"freq_skew":2.200785,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22734147","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,184,103,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733242,"usec":285372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.003255,"noise_level":-27.665995,"freq_skew":2.152967,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733242,"usec":286467},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.346162,"noise_level":-27.603235,"freq_skew":1.220564,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":44811},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.083869,"noise_level":-27.235918,"freq_skew":2.076902,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":47083},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.632269,"noise_level":-27.116852,"freq_skew":0.422837,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":42911,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":47407},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219029,"noise_level":-27.097166,"freq_skew":-1.365546,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.700001,"lon":-1.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":49271},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.374648,"noise_level":-27.018862,"freq_skew":0.536286,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17884,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[17,176,29,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":50813},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.567098,"noise_level":-26.960594,"freq_skew":0.623574,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[182,71,95,148]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":50979},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542786,"noise_level":-26.960594,"freq_skew":-1.119603,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"VY01MC","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":50979},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.542786,"noise_level":-26.960594,"freq_skew":-1.119603,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15053015","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,86,13,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":51680},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.353567,"noise_level":-26.921967,"freq_skew":0.233511,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":382,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43146,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[15,57,92,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":52550},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.614964,"noise_level":-26.883507,"freq_skew":0.402465,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2778,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[7,58,190,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":815600},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501222,"noise_level":-26.864342,"freq_skew":0.534138,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":43.700001,"lon":-5.600000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":816601},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.899349,"noise_level":-26.826138,"freq_skew":0.720866,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":817043},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.418456,"noise_level":-27.119682,"freq_skew":2.077812,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":817864},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.589655,"noise_level":-27.304005,"freq_skew":-0.434912,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":667,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[113,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":21}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":819534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.087770,"noise_level":-28.195827,"freq_skew":0.500784,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":822007},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142346,"noise_level":-28.207836,"freq_skew":0.198302,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"TP0687","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":822658},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696599,"noise_level":-28.185518,"freq_skew":0.700919,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"347690","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":823879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.492552,"noise_level":-28.141052,"freq_skew":-1.279674,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":824097},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921007,"noise_level":-28.141052,"freq_skew":0.492170,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,211,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733243,"usec":824340},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.751283,"noise_level":-28.264353,"freq_skew":0.601967,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733244,"usec":563843},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.560526,"noise_level":-28.130436,"freq_skew":0.601230,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733244,"usec":566106},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.803688,"noise_level":-27.998550,"freq_skew":2.208783,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":805,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733244,"usec":566305},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958331,"noise_level":-27.998550,"freq_skew":0.275113,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733244,"usec":567441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.935556,"noise_level":-27.955032,"freq_skew":1.044660,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733244,"usec":569989},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.388458,"noise_level":-27.847176,"freq_skew":0.684652,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"_d","blk_id":"X","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733244,"usec":570182},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.380872,"noise_level":-27.847176,"freq_skew":1.594061,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVJ","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"TP1366","msg_num":"D05","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,001396,1,1,TB000000/REP019,85,01,1/CCCS-TVJ,JUL28,200653,LPPT,EGLL,1366/C0TFC040TP060303/C106,03902,8100,45,0010,0,0100,45,X/CE-238,34004,231,675,5916,275,F22P06/EC599230,00093,00040,73,15,024/EE59B691"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733244,"usec":573432},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.940901,"noise_level":-28.366230,"freq_skew":-0.408894,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733245,"usec":334212},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.151440,"noise_level":-28.253178,"freq_skew":2.155696,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733245,"usec":335167},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.228611,"noise_level":-28.186050,"freq_skew":0.353309,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733245,"usec":339032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.357821,"noise_level":-28.009529,"freq_skew":0.656683,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733245,"usec":343701},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368889,"noise_level":-27.793808,"freq_skew":0.424476,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCXO"},{"name":"ac_location","value":{"loc":{"lat":39.299999,"lon":-7.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":93657},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.543156,"noise_level":-27.687922,"freq_skew":0.651357,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"Z","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":96553},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.607451,"noise_level":-27.562542,"freq_skew":-0.152490,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":668,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[232,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":97332},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319319,"noise_level":-27.541819,"freq_skew":1.736529,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVJ","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"TP1366","msg_num":"D05","msg_num_seq":"B","sublabel":"DF","msg_text":",00093,00040,73/E10757,0978,45,174,011,000,042,0/N10758,0979,44,176,011,000,038,0/S11403,4442,018,023,200,25,33976,2/T11455,4516,020,026,197,27,33995,2/V1-250,-455,06256,00096,215,219,221,0/X10501,00000,080"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":97850},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203726,"noise_level":-27.521149,"freq_skew":0.561711,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17895,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":21,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[221,74]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFBB","facility_name":"BORDEAUX","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":135.460000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":98498},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.386924,"noise_level":-27.479950,"freq_skew":1.395118,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6521,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[77,139]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":100466},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757147,"noise_level":-27.377800,"freq_skew":2.995586,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4075,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43208,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[151,51]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":854116},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.658848,"noise_level":-27.236782,"freq_skew":0.541464,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2778,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[7,58,190,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":859524},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.508693,"noise_level":-27.000235,"freq_skew":0.536633,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":860258},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.454680,"noise_level":-26.980810,"freq_skew":0.722460,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"X","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":863195},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.860527,"noise_level":-27.058239,"freq_skew":0.894028,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733246,"usec":864616},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687500,"noise_level":-27.019173,"freq_skew":-0.386279,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPO"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-3.300000},"alt":31000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733247,"usec":612041},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635470,"noise_level":-27.019173,"freq_skew":1.840183,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVJ","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"TP1366","msg_num":"D05","msg_num_seq":"C","sublabel":"DF","msg_text":",002,016,019,010,1/E40770,0984,45,178,011,000,041,0/N40770,0985,45,180,011,000,037,0/E70795,0996,45,182,011,000,040,0/N70795,0997,45,185,012,000,035,0/S71568,4665,020,024,200,28,33954,2/T71626,4777,022,026,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733247,"usec":614019},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209928,"noise_level":-27.169403,"freq_skew":0.700333,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733247,"usec":615204},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.336924,"noise_level":-27.129839,"freq_skew":0.819236,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":893,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43058,"credit":4,"rseq":15,"variable_part_params":[{"name":"atn_checksum","value":[213,124,67,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733247,"usec":618205},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.054372,"noise_level":-27.051241,"freq_skew":-0.291648,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNY","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"TP0442","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733247,"usec":618205},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.054372,"noise_level":-27.051241,"freq_skew":-0.291648,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250731","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,217,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733247,"usec":622369},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.443465,"noise_level":-26.934662,"freq_skew":0.587288,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733247,"usec":623609},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.836226,"noise_level":-26.915382,"freq_skew":2.330712,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":805,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733247,"usec":625861},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.264488,"noise_level":-27.723835,"freq_skew":1.562051,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVJ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"TP1366","msg_num":"D05","msg_num_seq":"D","sublabel":"DF","msg_text":"203,30,33974,2/E90768,0981,44,184,011,000,038,0/N90768,0983,44,187,012,000,033,0/E00753,0977,44,183,012,000,037,0/N00753,0978,44,186,013,000,032,0/S01378,4452,020,024,202,25,33998,2/T01423,4531,021,025,207,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733248,"usec":379138},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.189547,"noise_level":-28.503944,"freq_skew":2.819119,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733248,"usec":386781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461048,"noise_level":-28.097420,"freq_skew":-0.236521,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733248,"usec":387583},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292672,"noise_level":-28.053402,"freq_skew":0.228877,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":381,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[9,235,230,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733248,"usec":388275},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.579022,"noise_level":-28.009607,"freq_skew":0.644477,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733249,"usec":144848},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677642,"noise_level":-27.944326,"freq_skew":0.664704,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733249,"usec":146028},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.726991,"noise_level":-27.879532,"freq_skew":-0.387183,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733249,"usec":151830},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958180,"noise_level":-27.604208,"freq_skew":0.644022,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17895,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":21,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[221,74]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFBB","facility_name":"BORDEAUX","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":135.460000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733249,"usec":154157},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.740072,"noise_level":-27.897423,"freq_skew":-0.384068,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWC","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR12CD","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733249,"usec":903299},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.754319,"noise_level":-28.092691,"freq_skew":0.428992,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733249,"usec":903922},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512033,"noise_level":-28.070669,"freq_skew":1.975585,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733249,"usec":907488},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781937,"noise_level":-27.896454,"freq_skew":-0.240286,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23122550","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,165,104,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733250,"usec":664061},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.320365,"noise_level":-28.641094,"freq_skew":-0.453896,"avlc":{"src":{"addr":"347387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":406,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43171,"credit":4,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[208,79,36,230]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733250,"usec":671338},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.154764,"noise_level":-28.784451,"freq_skew":2.415415,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733251,"usec":433851},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.041466,"noise_level":-28.502518,"freq_skew":0.449845,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[72,120,173,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733251,"usec":436418},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354850,"noise_level":-28.364908,"freq_skew":1.751092,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVJ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"TP1366","msg_num":"D05","msg_num_seq":"D","sublabel":"DF","msg_text":"203,30,33974,2/E90768,0981,44,184,011,000,038,0/N90768,0983,44,187,012,000,033,0/E00753,0977,44,183,012,000,037,0/N00753,0978,44,186,013,000,032,0/S01378,4452,020,024,202,25,33998,2/T01423,4531,021,025,207,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733251,"usec":437835},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.181703,"noise_level":-28.626802,"freq_skew":0.137090,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":382,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733251,"usec":441926},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.326454,"noise_level":-28.510332,"freq_skew":-0.416145,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733252,"usec":187593},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.005484,"noise_level":-28.418270,"freq_skew":2.259194,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":805,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733252,"usec":190137},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.533322,"noise_level":-28.281975,"freq_skew":0.528781,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733252,"usec":195363},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.598984,"noise_level":-28.584995,"freq_skew":0.641676,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733252,"usec":196297},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.685060,"noise_level":-28.561687,"freq_skew":0.662127,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17895,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":21,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[221,74]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFBB","facility_name":"BORDEAUX","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":135.460000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733252,"usec":197527},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488740,"noise_level":-28.515261,"freq_skew":1.833947,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVJ","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"TP1366","msg_num":"D05","msg_num_seq":"E","sublabel":"DF","msg_text":"26,34014,2/2E0758,0980,45,186,012,000,036,0/2N0758,0981,45,188,013,000,032,0/2S1408,4460,019,022,199,25,34004,2/2T1458,4555,019,022,202,27,34024,2/2V-238,-445,06272,00096,215,219,221,0/2X0501,00050,080,002,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733252,"usec":951817},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.164165,"noise_level":-28.446083,"freq_skew":-0.208841,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733252,"usec":951981},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-9.086061,"noise_level":-28.446083,"freq_skew":1.995159,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733252,"usec":956930},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.269349,"noise_level":-28.130341,"freq_skew":-0.338206,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733253,"usec":714959},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.998579,"noise_level":-28.317472,"freq_skew":0.682322,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":268,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733253,"usec":715374},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386965,"noise_level":-28.317472,"freq_skew":0.622612,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-2.200000},"alt":21000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733253,"usec":715374},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.386965,"noise_level":-28.317472,"freq_skew":0.622612,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"IB0620","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733253,"usec":715943},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.277709,"noise_level":-28.749817,"freq_skew":3.116676,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4076,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[184,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733253,"usec":717294},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.136006,"noise_level":-28.678753,"freq_skew":0.694118,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15060216","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,96,142,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733253,"usec":718186},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.995023,"noise_level":-28.631699,"freq_skew":0.053245,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4730,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43140,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[66,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733253,"usec":723153},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.576530,"noise_level":-28.468988,"freq_skew":0.727923,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"X","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733253,"usec":723880},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.407531,"noise_level":-28.423052,"freq_skew":0.713167,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52019,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,127,133,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733254,"usec":474615},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.059014,"noise_level":-28.377357,"freq_skew":1.750358,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"TP1366","msg_num":"D05","msg_num_seq":"F","sublabel":"DF","msg_text":"A320,001396,1,1,TB000000/REP019,85,01,1/CCCS-TVJ,JUL28,200653,LPPT,EGLL,1366/C0TFC040TP060303/C106,03902,8100,45,0010,0,0100,45,X/CE-238,34004,231,675,5916,275,F22P06/EC599230,00093,00040,73,15,024/EE59B691,00093,00040,73/E10757,0978,45,174,011,000,042,0/N10758,0979,44,176,011,000,038,0/S11403,4442,018,023,200,25,33976,2/T11455,4516,020,026,197,27,33995,2/V1-250,-455,06256,00096,215,219,221,0/X10501,00000,080,002,016,019,010,1/E40770,0984,45,178,011,000,041,0/N40770,0985,45,180,011,000,037,0/E70795,0996,45,182,011,000,040,0/N70795,0997,45,185,012,000,035,0/S71568,4665,020,024,200,28,33954,2/T71626,4777,022,026,203,30,33974,2/E90768,0981,44,184,011,000,038,0/N90768,0983,44,187,012,000,033,0/E00753,0977,44,183,012,000,037,0/N00753,0978,44,186,013,000,032,0/S01378,4452,020,024,202,25,33998,2/T01423,4531,021,025,207,26,34014,2/2E0758,0980,45,186,012,000,036,0/2N0758,0981,45,188,013,000,032,0/2S1408,4460,019,022,199,25,34004,2/2T1458,4555,019,022,202,27,34024,2/2V-238,-445,06272,00096,215,219,221,0/2X0501,00050,080,002,031,026,009,1/:"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733254,"usec":476375},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642949,"noise_level":-28.286684,"freq_skew":0.495847,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,48,22,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733254,"usec":478295},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.235269,"noise_level":-28.249649,"freq_skew":0.599841,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733254,"usec":479304},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545609,"noise_level":-28.699553,"freq_skew":0.419725,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OFZ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"VY06DL","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733254,"usec":479304},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.545609,"noise_level":-28.699553,"freq_skew":0.419725,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15073220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,118,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733254,"usec":481084},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.799644,"noise_level":-28.628899,"freq_skew":1.054496,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":710,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43063,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[176,120,26,33]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":32}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733254,"usec":481607},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.107285,"noise_level":-29.046440,"freq_skew":0.693081,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17904,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[32,92,210,68]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733254,"usec":483153},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.194886,"noise_level":-28.948551,"freq_skew":0.608401,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733254,"usec":483721},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.539990,"noise_level":-28.924248,"freq_skew":0.793625,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":233401},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718135,"noise_level":-28.851749,"freq_skew":0.272272,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":269,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43142,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[217,2,86,195]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":233757},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738884,"noise_level":-28.827715,"freq_skew":0.663038,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":234735},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.774449,"noise_level":-28.779850,"freq_skew":0.571339,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":234735},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.774449,"noise_level":-28.779850,"freq_skew":0.571339,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17906,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":69,"credit":10,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[104,230,35,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":234870},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.108287,"noise_level":-28.779850,"freq_skew":0.703613,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17907,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[116,234,178,66]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":34}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":234991},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.929757,"noise_level":-29.185833,"freq_skew":1.171579,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.500000,"lon":-5.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":237593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.173793,"noise_level":-29.037056,"freq_skew":2.161705,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":241003},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563986,"noise_level":-28.884287,"freq_skew":0.669812,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440080","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":241334},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.717312,"noise_level":-28.860167,"freq_skew":0.669212,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17908,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":69,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[69,181,10,114]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":10,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":241981},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.048866,"noise_level":-29.173107,"freq_skew":1.253450,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.200001,"lon":-3.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733255,"usec":999948},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.168938,"noise_level":-29.148170,"freq_skew":1.227215,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":1968},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.866174,"noise_level":-29.024548,"freq_skew":0.253992,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":5469},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.077291,"noise_level":-28.854382,"freq_skew":1.144249,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"TP0555","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":5469},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.077291,"noise_level":-28.854382,"freq_skew":1.144249,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250515","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,77,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":12512},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109203,"noise_level":-29.305000,"freq_skew":0.987913,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":759922},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.590974,"noise_level":-29.304754,"freq_skew":0.554110,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":43247,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":761690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.940295,"noise_level":-29.308086,"freq_skew":0.303206,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":763378},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854044,"noise_level":-29.207218,"freq_skew":3.311378,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":777,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":764937},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.795533,"noise_level":-29.132328,"freq_skew":1.195133,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":711,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[45,136,232,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":765371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.440904,"noise_level":-29.107510,"freq_skew":0.952298,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":769277},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.699615,"noise_level":-29.008930,"freq_skew":0.419669,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,145,175,38]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733256,"usec":770559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.150553,"noise_level":-28.935722,"freq_skew":1.038109,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733257,"usec":523081},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.366464,"noise_level":-28.719738,"freq_skew":0.742458,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733257,"usec":524317},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659463,"noise_level":-28.648918,"freq_skew":0.581580,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733257,"usec":529652},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.698404,"noise_level":-28.371279,"freq_skew":0.720326,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17907,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[116,234,178,66]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":34}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733257,"usec":532410},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.913179,"noise_level":-28.258162,"freq_skew":0.805290,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733258,"usec":282205},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.589701,"noise_level":-28.235714,"freq_skew":0.165642,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733258,"usec":284004},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.652809,"noise_level":-28.146500,"freq_skew":0.583963,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733258,"usec":284522},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.934752,"noise_level":-28.102236,"freq_skew":0.561444,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733258,"usec":286851},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.662750,"noise_level":-28.036255,"freq_skew":0.238748,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4729,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43140,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[246,157]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733258,"usec":288478},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569118,"noise_level":-28.157053,"freq_skew":2.793345,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4076,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[184,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733258,"usec":293097},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547968,"noise_level":-28.788391,"freq_skew":0.576171,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17912,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21,"credit":11,"rseq":11,"variable_part_params":[{"name":"checksum","value":[234,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733258,"usec":294389},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890313,"noise_level":-28.788391,"freq_skew":1.651926,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733259,"usec":48448},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.960037,"noise_level":-29.141056,"freq_skew":0.111447,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4730,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43140,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[66,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733259,"usec":50365},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.549550,"noise_level":-29.265583,"freq_skew":2.151218,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":805,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733259,"usec":802497},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.142311,"noise_level":-29.661819,"freq_skew":0.573539,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733259,"usec":804381},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575787,"noise_level":-29.530724,"freq_skew":0.317244,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733260,"usec":575767},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.680794,"noise_level":-28.711830,"freq_skew":0.624939,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17907,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[116,234,178,66]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":34}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733260,"usec":581001},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977492,"noise_level":-28.409302,"freq_skew":1.191027,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"EC92VK","msg_num":"F51","msg_num_seq":"A","sublabel":"M1","msg_text":"REJPWI,200526,027,,001,0CDA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733261,"usec":335076},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.321238,"noise_level":-28.386461,"freq_skew":2.131409,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733261,"usec":335923},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547101,"noise_level":-28.340960,"freq_skew":0.562459,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43160,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[36,91,218,177]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43160,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[61,232,140,235]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":39}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733261,"usec":339027},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.056793,"noise_level":-28.580017,"freq_skew":0.247585,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4731,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43140,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[190,180]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":39}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733261,"usec":342973},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.327995,"noise_level":-28.418259,"freq_skew":0.499646,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17918,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[46,53,17,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733261,"usec":343706},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.816967,"noise_level":-28.395395,"freq_skew":0.496848,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733261,"usec":345175},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.332196,"noise_level":-28.327160,"freq_skew":0.590465,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17919,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21,"credit":11,"rseq":12,"variable_part_params":[{"name":"checksum","value":[230,190]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733261,"usec":345678},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796431,"noise_level":-28.327160,"freq_skew":0.694690,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17920,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43140,"dst_ref":21,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[167,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733261,"usec":346150},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831639,"noise_level":-28.805483,"freq_skew":0.577760,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Y","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733262,"usec":88989},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.858482,"noise_level":-28.781578,"freq_skew":0.014715,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4732,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60931,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[78,23]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733262,"usec":94322},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.415971,"noise_level":-28.499737,"freq_skew":0.666817,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32674,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22,"credit":15,"rseq":1,"variable_part_params":[{"name":"checksum","value":[241,185]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733262,"usec":95898},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.018674,"noise_level":-28.407784,"freq_skew":0.313558,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733262,"usec":96412},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.060843,"noise_level":-28.384949,"freq_skew":0.492323,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32675,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":22,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[103,130]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733262,"usec":97639},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720632,"noise_level":-28.316793,"freq_skew":1.283644,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EC92VK","msg_num":"F52","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/RJ,089D672"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733262,"usec":855754},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.723805,"noise_level":-28.182070,"freq_skew":0.114629,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4733,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":21,"dst_ref":43140,"variable_part_params":[{"name":"checksum","value":[77,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733262,"usec":861861},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.423537,"noise_level":-27.897148,"freq_skew":0.338627,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733262,"usec":862237},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.449052,"noise_level":-27.897148,"freq_skew":0.473051,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733263,"usec":623290},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.551311,"noise_level":-28.028070,"freq_skew":0.545363,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733263,"usec":623754},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781740,"noise_level":-28.006210,"freq_skew":1.073363,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.500000,"lon":-5.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733263,"usec":625678},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.813334,"noise_level":-27.897720,"freq_skew":0.347594,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4734,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60931,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[19,201]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733263,"usec":629939},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480486,"noise_level":-27.705791,"freq_skew":0.537516,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17921,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[29,193,216,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733263,"usec":630894},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518252,"noise_level":-28.128702,"freq_skew":0.627093,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733263,"usec":632464},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.770299,"noise_level":-28.084526,"freq_skew":0.460329,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":100,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[106,208,157,236]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733264,"usec":376122},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.888967,"noise_level":-28.850704,"freq_skew":0.503468,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32677,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":22,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[251,223]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFBB,BORDEAUX,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733264,"usec":380356},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.507563,"noise_level":-28.589964,"freq_skew":-0.209578,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":717,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43221,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[234,26,12,128]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733264,"usec":383244},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.313253,"noise_level":-28.428024,"freq_skew":0.600674,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733264,"usec":384928},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.888568,"noise_level":-28.336826,"freq_skew":1.180896,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"43","blk_id":"1","ack":"!","flight":"TP0555","msg_num":"M50","msg_num_seq":"A","msg_text":"PAXC "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":142007},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792148,"noise_level":-29.099808,"freq_skew":0.165838,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4735,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60931,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[15,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":143055},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.174026,"noise_level":-29.025833,"freq_skew":0.414132,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-GTS","mode":"2","label":"5U","blk_id":"5","ack":"!","flight":"TP38KJ","msg_num":"M05","msg_num_seq":"A","msg_text":"  01 WXRQ   38KJ/28 LPPT/LEBL .9H-GTS\r\n/TYP 1/STA LEBL/STA     /STA     "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":143287},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.988353,"noise_level":-29.025833,"freq_skew":1.088801,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":145998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.152615,"noise_level":-28.855640,"freq_skew":-0.473700,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":149503},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.102573,"noise_level":-28.665133,"freq_skew":0.473642,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":149873},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.241898,"noise_level":-28.641609,"freq_skew":0.156524,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4736,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60931,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[196,116]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":904165},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279819,"noise_level":-28.409824,"freq_skew":-1.978776,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":47,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":905607},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.249842,"noise_level":-28.318813,"freq_skew":0.456242,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":907412},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958846,"noise_level":-28.251175,"freq_skew":0.660833,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-GTS","mode":"2","label":"RA","blk_id":"U","ack":"5","msg_text":"QUGTWTPXA~1\r\nSA 28/19:38\r\nLEBL 281930Z 19005KT 140V220 9999 VCSH\r\n  FEW040TCU BKN042\r\n  OVC046 26/17 Q1016 NOSIG\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":908543},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809835,"noise_level":-29.063635,"freq_skew":0.474122,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32681,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[237,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":908543},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.809835,"noise_level":-29.063635,"freq_skew":0.474122,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17924,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[98,100,249,94]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":14,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFBB","facility_name":"BORDEAUX","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":121.340000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733265,"usec":910149},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.983844,"noise_level":-29.014452,"freq_skew":0.372822,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-GTS","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"TP38KJ","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733266,"usec":672200},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.410944,"noise_level":-29.308620,"freq_skew":-0.985194,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733266,"usec":672771},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.559678,"noise_level":-29.283293,"freq_skew":-1.145730,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":705,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[84,118,198,237]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733266,"usec":673948},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.159562,"noise_level":-29.232855,"freq_skew":-1.229733,"avlc":{"src":{"addr":"4CADDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43089,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[71,232,147,246]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43089,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[188,13,186,86]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":14,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733266,"usec":676088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.377862,"noise_level":-29.132853,"freq_skew":0.440091,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733266,"usec":683326},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298549,"noise_level":-28.911972,"freq_skew":0.634841,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17926,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":11,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[152,134,3,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733267,"usec":423445},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.931546,"noise_level":-28.911972,"freq_skew":0.122594,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733267,"usec":432984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.394218,"noise_level":-28.440346,"freq_skew":0.139994,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733268,"usec":189449},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452912,"noise_level":-28.236189,"freq_skew":-1.352197,"avlc":{"src":{"addr":"4CADDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733268,"usec":952279},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.794258,"noise_level":-27.567581,"freq_skew":0.483032,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52032,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733268,"usec":953168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584784,"noise_level":-27.526165,"freq_skew":3.395362,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733268,"usec":953593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642904,"noise_level":-27.505529,"freq_skew":-2.006035,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733268,"usec":956963},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.766767,"noise_level":-27.382734,"freq_skew":1.941565,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733268,"usec":959656},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.353671,"noise_level":-27.281715,"freq_skew":0.338502,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":43.700001,"lon":-5.700000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733269,"usec":713330},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.282582,"noise_level":-27.004959,"freq_skew":0.469736,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733269,"usec":713669},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405657,"noise_level":-26.985523,"freq_skew":0.466673,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"TP0687","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733269,"usec":714318},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.212861,"noise_level":-26.966133,"freq_skew":1.104358,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733269,"usec":714474},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648236,"noise_level":-27.712355,"freq_skew":0.342767,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,211,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733270,"usec":473664},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.559937,"noise_level":-27.280033,"freq_skew":0.525165,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17930,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[128,14,100,92]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733270,"usec":474855},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.233325,"noise_level":-27.259975,"freq_skew":-0.017697,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QDO","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"FR77KW","msg_num":"M92","msg_num_seq":"A","msg_text":"200748,M110152,2058, 129,N 42.710 W   .761"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733270,"usec":476161},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299202,"noise_level":-27.219992,"freq_skew":0.639171,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733270,"usec":478963},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596669,"noise_level":-27.101143,"freq_skew":0.658507,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":269,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[218,191,104,121]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733270,"usec":479918},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.857147,"noise_level":-27.767572,"freq_skew":0.476617,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":238561},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.284950,"noise_level":-27.599276,"freq_skew":0.483447,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":239834},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224532,"noise_level":-27.536995,"freq_skew":-2.157412,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":42.200001,"lon":-2.000000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":239834},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.224532,"noise_level":-27.536995,"freq_skew":-2.157412,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-ILR","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"I218LM","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":242555},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.217752,"noise_level":-27.466909,"freq_skew":-1.962753,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,83,0,52,32,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":243064},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.034709,"noise_level":-27.446415,"freq_skew":0.703510,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":244394},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.147170,"noise_level":-27.385216,"freq_skew":-1.398516,"avlc":{"src":{"addr":"4CADDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":396,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43089,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[98,199,13,117]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":14,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":7,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":246802},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.896257,"noise_level":-27.264099,"freq_skew":1.175413,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.500000,"lon":-5.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":993011},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.786495,"noise_level":-28.196753,"freq_skew":-1.237211,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":738,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[112,153,114,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":993243},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.913104,"noise_level":-28.174461,"freq_skew":0.580783,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17931,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":11,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[237,83,53,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":993530},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.833668,"noise_level":-28.174461,"freq_skew":0.491329,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QDO","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":993530},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.833668,"noise_level":-28.174461,"freq_skew":0.491329,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17932,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43089,"dst_ref":59,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[101,119,86,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":993974},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753899,"noise_level":-28.152233,"freq_skew":0.536596,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":995494},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.739608,"noise_level":-28.063868,"freq_skew":-1.280357,"avlc":{"src":{"addr":"4CADDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":996714},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.416460,"noise_level":-28.020020,"freq_skew":0.566999,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":17931,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":11,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[237,83,53,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733271,"usec":998793},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864109,"noise_level":-27.932983,"freq_skew":-1.300802,"avlc":{"src":{"addr":"4CADDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":397,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":43089,"variable_part_params":[{"name":"atn_checksum","value":[90,164,223,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733272,"usec":197},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790982,"noise_level":-27.921143,"freq_skew":0.479732,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,86,79,69,0,52,131,139,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":32233,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30685,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[42,71,0,11]},{"name":"checksum","value":[65,102]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733272,"usec":736},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.707750,"noise_level":-27.899549,"freq_skew":0.650538,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,86,79,69,0,52,131,139,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":32233,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30685,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[42,71,0,11]},{"name":"checksum","value":[65,102]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733272,"usec":757216},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285475,"noise_level":-28.208368,"freq_skew":-1.915474,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733272,"usec":758612},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.909350,"noise_level":-28.196447,"freq_skew":-0.026920,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2648,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733272,"usec":760263},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716531,"noise_level":-28.129751,"freq_skew":0.479539,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":478,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":65,"dst_ref":30685,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[71,7,135,101]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733272,"usec":760532},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.022518,"noise_level":-28.441872,"freq_skew":0.557467,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733272,"usec":762176},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477760,"noise_level":-28.373272,"freq_skew":-1.053349,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733272,"usec":762723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275296,"noise_level":-28.373272,"freq_skew":0.324013,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733272,"usec":765145},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090210,"noise_level":-28.260132,"freq_skew":2.406896,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[133,210,0,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733273,"usec":526569},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.433028,"noise_level":-28.016289,"freq_skew":0.442827,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32235,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[241,26,81,148]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733273,"usec":526818},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785156,"noise_level":-27.994457,"freq_skew":0.641779,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA808","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733274,"usec":286045},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.313977,"noise_level":-27.506897,"freq_skew":0.600078,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733274,"usec":288323},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.019135,"noise_level":-27.384087,"freq_skew":2.563100,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733274,"usec":293034},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.964957,"noise_level":-27.163342,"freq_skew":1.019059,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":631,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733274,"usec":295582},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724744,"noise_level":-27.104099,"freq_skew":-1.949853,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733275,"usec":45800},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.160729,"noise_level":-27.006252,"freq_skew":2.527153,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":588,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[45,36,245,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733275,"usec":815109},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.947214,"noise_level":-26.386715,"freq_skew":1.738057,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":60,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733275,"usec":816524},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.565266,"noise_level":-26.332523,"freq_skew":0.479905,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA808","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":43710,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733276,"usec":573737},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.161899,"noise_level":-26.127844,"freq_skew":0.656906,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733276,"usec":576631},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.816286,"noise_level":-26.005594,"freq_skew":2.469928,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733276,"usec":586248},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.283289,"noise_level":-25.918081,"freq_skew":0.092324,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733277,"usec":332500},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.915453,"noise_level":-25.832661,"freq_skew":1.665484,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1560,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":12,"ack":4,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733278,"usec":98641},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.244693,"noise_level":-25.273073,"freq_skew":-0.254518,"avlc":{"src":{"addr":"4CA56B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2418,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23032,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[106,100]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733278,"usec":867955},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581147,"noise_level":-24.747362,"freq_skew":0.831779,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43215,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[166,156,101,174]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733279,"usec":614602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.314514,"noise_level":-24.569164,"freq_skew":1.710652,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733279,"usec":615147},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.753701,"noise_level":-24.554478,"freq_skew":0.922447,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1065,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733279,"usec":615784},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.520859,"noise_level":-24.873787,"freq_skew":0.666227,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":43817,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733280,"usec":380838},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.392080,"noise_level":-24.589252,"freq_skew":1.739000,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733280,"usec":381476},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.827994,"noise_level":-24.574532,"freq_skew":1.024371,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.500000,"lon":-5.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733280,"usec":384189},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.539887,"noise_level":-25.529871,"freq_skew":1.022463,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733281,"usec":140146},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.959052,"noise_level":-25.383354,"freq_skew":-2.674148,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":70,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733281,"usec":140925},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542182,"noise_level":-25.351126,"freq_skew":1.083232,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC92VK","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733281,"usec":142069},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604265,"noise_level":-26.370167,"freq_skew":1.082639,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,177,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733281,"usec":146977},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744992,"noise_level":-26.969585,"freq_skew":1.990581,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":257,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[58,172,5,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733281,"usec":907847},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.054979,"noise_level":-26.516544,"freq_skew":1.294377,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733282,"usec":660550},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.536861,"noise_level":-26.191628,"freq_skew":2.097804,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":806,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":77,"dst_ref":22797,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[2,40,189,103]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733282,"usec":661784},"freq":136975000,"burst_len_octets":41,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.773111,"noise_level":-26.103489,"freq_skew":2.170497,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":807,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43198,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[53,209,204,13]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"current-data-authority-abort"}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733282,"usec":667174},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.190971,"noise_level":-26.033615,"freq_skew":-2.620436,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733282,"usec":667951},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667328,"noise_level":-26.326012,"freq_skew":0.977107,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":633,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[232,165,193,252]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733282,"usec":668374},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925833,"noise_level":-26.308039,"freq_skew":1.066880,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":528,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[147,41,205,28]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733282,"usec":669122},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287127,"noise_level":-26.272200,"freq_skew":0.845503,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1065,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733283,"usec":432524},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.902063,"noise_level":-25.973394,"freq_skew":-0.634488,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43132,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[13,187,227,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733283,"usec":436860},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.448052,"noise_level":-25.819267,"freq_skew":2.127690,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":808,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":78,"dst_ref":43198,"variable_part_params":[{"name":"atn_checksum","value":[201,101,40,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733283,"usec":437392},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617933,"noise_level":-25.802309,"freq_skew":2.623200,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":791,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,85,195,34]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733284,"usec":195237},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515763,"noise_level":-25.667830,"freq_skew":1.744476,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1509,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[141,117,72,90]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733284,"usec":200643},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676542,"noise_level":-25.469933,"freq_skew":2.074712,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":257,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[58,172,5,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733284,"usec":950484},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.990379,"noise_level":-25.165537,"freq_skew":2.888565,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733284,"usec":951117},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.019121,"noise_level":-25.165537,"freq_skew":-0.192941,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.799999,"lon":-6.200000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733285,"usec":717780},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.400517,"noise_level":-25.290049,"freq_skew":0.875750,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"IB0620","msg_num":"D09","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,020492,1,1,TB000000/REP033,00,00,1/POSDMU,200758, 40.809,-  2.319,  3737,208\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733285,"usec":723321},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891796,"noise_level":-25.147488,"freq_skew":0.762483,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733286,"usec":479712},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.784516,"noise_level":-25.356627,"freq_skew":-0.579664,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43132,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[13,187,227,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733287,"usec":239393},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.122838,"noise_level":-24.963326,"freq_skew":-2.653470,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KUB","mode":"2","label":"_d","blk_id":"0","ack":"E","flight":"IB0450","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733287,"usec":241630},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545908,"noise_level":-24.902020,"freq_skew":1.869002,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":257,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[58,172,5,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733287,"usec":243495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.175498,"noise_level":-24.795761,"freq_skew":0.966922,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733287,"usec":249839},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.413043,"noise_level":-24.750616,"freq_skew":0.622838,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733288,"usec":5628},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.998260,"noise_level":-24.587067,"freq_skew":1.160557,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733288,"usec":10706},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646194,"noise_level":-24.397669,"freq_skew":-0.692996,"avlc":{"src":{"addr":"34324F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LEI","mode":"2","label":"_d","blk_id":"5","ack":"T","flight":"IB07YR","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733288,"usec":763257},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.539249,"noise_level":-24.297371,"freq_skew":-0.607396,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":547,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[134,89,238,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733288,"usec":769813},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.294900,"noise_level":-25.088043,"freq_skew":-0.670607,"avlc":{"src":{"addr":"34324F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LEI","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"IB07YR","msg_num":"F06","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733289,"usec":530864},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.552917,"noise_level":-24.781446,"freq_skew":0.528007,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[55,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733290,"usec":285005},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.888584,"noise_level":-24.714403,"freq_skew":-2.639125,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KUB","mode":"2","label":"_d","blk_id":"0","ack":"E","flight":"IB0450","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733290,"usec":287604},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368664,"noise_level":-24.595646,"freq_skew":-0.632700,"avlc":{"src":{"addr":"34324F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LEI","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"IB07YR","msg_num":"F07","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN40384W002565,N40412W002551,200807,138,N40257W003030,201042,RUDBI,P03,34719,77/TS200807,072825EBA9"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733290,"usec":290849},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.014797,"noise_level":-24.536873,"freq_skew":1.130028,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1730,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30643,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[90,157]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733291,"usec":51077},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.059043,"noise_level":-24.490156,"freq_skew":0.566564,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733291,"usec":52053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.984704,"noise_level":-24.461075,"freq_skew":1.138331,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733291,"usec":57085},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.216635,"noise_level":-25.036737,"freq_skew":1.237894,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":172,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[36,192,128,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733291,"usec":58576},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.175138,"noise_level":-24.974915,"freq_skew":0.758863,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1499,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[91,159,3,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733292,"usec":569591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477730,"noise_level":-24.524734,"freq_skew":-0.608325,"avlc":{"src":{"addr":"34324F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733292,"usec":569957},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.627307,"noise_level":-24.510120,"freq_skew":0.383903,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":2779,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733292,"usec":570888},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.121813,"noise_level":-25.075838,"freq_skew":2.237859,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,82,89,82,0,76,164,234,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":2003,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":7,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[108,209]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733292,"usec":571688},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.858433,"noise_level":-25.044731,"freq_skew":1.531711,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733292,"usec":576936},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.966810,"noise_level":-24.875603,"freq_skew":-0.079620,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":39.000000,"lon":-7.400000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733292,"usec":577667},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.124316,"noise_level":-25.415194,"freq_skew":0.613402,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733293,"usec":330900},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.194982,"noise_level":-25.286531,"freq_skew":-0.125999,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.799999,"lon":-6.200000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733293,"usec":331489},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367013,"noise_level":-25.254662,"freq_skew":0.049656,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTC","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"U296BD","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733293,"usec":331489},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.367013,"noise_level":-25.254662,"freq_skew":0.049656,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20057423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,95,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733293,"usec":333938},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.249295,"noise_level":-25.159748,"freq_skew":-0.145480,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JZM","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"IB0556","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733293,"usec":333938},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.249295,"noise_level":-25.159748,"freq_skew":-0.145480,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15022412","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,37,10,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733293,"usec":334723},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976001,"noise_level":-25.685274,"freq_skew":3.295656,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":778,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[253,176,212,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733293,"usec":337510},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.953468,"noise_level":-25.602102,"freq_skew":2.536816,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":336,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733294,"usec":97580},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826986,"noise_level":-25.470661,"freq_skew":1.880093,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2004,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43316,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[120,209]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733294,"usec":101772},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.143539,"noise_level":-25.325130,"freq_skew":-0.113260,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733294,"usec":105170},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.260487,"noise_level":-25.277159,"freq_skew":0.064210,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4737,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733294,"usec":105777},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.484208,"noise_level":-25.261227,"freq_skew":-0.146951,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733294,"usec":106216},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.859356,"noise_level":-25.245323,"freq_skew":1.995910,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2005,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43316,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[141,121]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5022954,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RYR3NM","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[76,164,234],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[76,164,234],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"LEMD","destination_airport":"LPPT"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733294,"usec":849875},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488660,"noise_level":-25.283224,"freq_skew":-1.231052,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43286,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[177,182,212,188]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":12}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733294,"usec":852039},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.119231,"noise_level":-25.156488,"freq_skew":3.292154,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733294,"usec":852669},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.190626,"noise_level":-25.125092,"freq_skew":0.602289,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733295,"usec":618394},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.999224,"noise_level":-24.877918,"freq_skew":0.898133,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1730,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30643,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[90,157]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733295,"usec":619219},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303212,"noise_level":-25.714510,"freq_skew":-0.217835,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733295,"usec":621651},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604794,"noise_level":-25.564871,"freq_skew":0.513638,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":2779,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733295,"usec":621736},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-12.228203,"noise_level":-25.564871,"freq_skew":-1.338319,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733295,"usec":624367},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494663,"noise_level":-25.548401,"freq_skew":0.892983,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":762,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60785,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[146,87,18,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733295,"usec":628527},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.165772,"noise_level":-25.433989,"freq_skew":2.109044,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733295,"usec":629189},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.612640,"noise_level":-25.433989,"freq_skew":0.442739,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733296,"usec":383114},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.060821,"noise_level":-26.036825,"freq_skew":1.083681,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":774,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733296,"usec":385933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.190024,"noise_level":-26.212931,"freq_skew":0.546849,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733296,"usec":386952},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.466061,"noise_level":-26.142176,"freq_skew":2.035692,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2006,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43316,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[188,52]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733296,"usec":390132},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006781,"noise_level":-25.967770,"freq_skew":-1.125580,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733297,"usec":138190},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.508065,"noise_level":-25.933304,"freq_skew":2.171266,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2007,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":7,"dst_ref":43316,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[231,98]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733297,"usec":138715},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.116514,"noise_level":-25.898975,"freq_skew":2.517785,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":336,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733297,"usec":138880},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522725,"noise_level":-25.898975,"freq_skew":-1.203856,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733297,"usec":138880},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.522725,"noise_level":-25.898975,"freq_skew":-1.203856,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":706,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[59,77,32,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733297,"usec":138880},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.522725,"noise_level":-25.898975,"freq_skew":-1.203856,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":707,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1469,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[169,76,115,94]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733297,"usec":145478},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.927622,"noise_level":-25.662401,"freq_skew":1.963506,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2008,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":8,"dst_ref":43317,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[242,193]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733297,"usec":145704},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.646047,"noise_level":-25.645744,"freq_skew":-1.169287,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[228,196,73,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733297,"usec":147169},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356207,"noise_level":-25.562950,"freq_skew":0.762923,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":895,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43058,"credit":4,"rseq":15,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[23,43,103,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733297,"usec":913796},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.254964,"noise_level":-25.191936,"freq_skew":-1.098399,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,33,65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733297,"usec":915128},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.289990,"noise_level":-26.120605,"freq_skew":2.070677,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733298,"usec":671500},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.850129,"noise_level":-25.759192,"freq_skew":2.202618,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2009,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43317,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[66,35]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733299,"usec":423357},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.795836,"noise_level":-26.134832,"freq_skew":0.703939,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733299,"usec":425742},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767483,"noise_level":-26.874836,"freq_skew":3.466170,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":588,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733299,"usec":431176},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.328835,"noise_level":-26.666512,"freq_skew":-1.276166,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733299,"usec":431176},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.328835,"noise_level":-26.666512,"freq_skew":-1.276166,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733299,"usec":431176},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.328835,"noise_level":-26.666512,"freq_skew":-1.276166,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LS015L","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":190055},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292994,"noise_level":-26.660294,"freq_skew":0.325901,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4737,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":193763},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.136754,"noise_level":-26.837322,"freq_skew":1.990078,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":195238},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.715904,"noise_level":-26.761318,"freq_skew":0.553571,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2287","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":44409,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":196135},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.204962,"noise_level":-26.940716,"freq_skew":-1.274880,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,33,65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":197690},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.433227,"noise_level":-27.186773,"freq_skew":-1.866602,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":873,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60953,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[220,156,73,63]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":198143},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.953789,"noise_level":-27.186773,"freq_skew":2.495832,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":336,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":952798},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.893491,"noise_level":-27.250814,"freq_skew":1.772116,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[169,171,222,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":953563},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.054643,"noise_level":-27.190975,"freq_skew":0.916587,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":895,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43058,"credit":4,"rseq":15,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[23,43,103,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":953960},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.234302,"noise_level":-27.171120,"freq_skew":2.223164,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2010,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[183,56]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":956020},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.573039,"noise_level":-27.033390,"freq_skew":0.063926,"avlc":{"src":{"addr":"406E66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":957591},"freq":136975000,"burst_len_octets":103,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.235740,"noise_level":-26.975025,"freq_skew":-1.105562,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":957591},"freq":136975000,"burst_len_octets":103,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.235740,"noise_level":-26.975025,"freq_skew":-1.105562,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":708,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":8277,"dst_ref":43318,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[194,248,205,146]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":958676},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.251846,"noise_level":-26.917049,"freq_skew":1.238477,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":586,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43137,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[95,172,27,65]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733300,"usec":961420},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.763471,"noise_level":-26.821278,"freq_skew":0.021235,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733301,"usec":720210},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.455939,"noise_level":-26.558594,"freq_skew":2.178331,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2011,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[179,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733302,"usec":472449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.512786,"noise_level":-26.232130,"freq_skew":-0.943874,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733302,"usec":479660},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.554433,"noise_level":-26.178179,"freq_skew":0.625697,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":44472,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733303,"usec":238280},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.068912,"noise_level":-26.059801,"freq_skew":-1.178392,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733303,"usec":239418},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475708,"noise_level":-26.788122,"freq_skew":1.131937,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":587,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1527,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[184,94,233,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733303,"usec":239858},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.852958,"noise_level":-26.826620,"freq_skew":-1.050503,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LS015L","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733303,"usec":240394},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.798683,"noise_level":-27.632711,"freq_skew":0.034646,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":887,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43246,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[10,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733303,"usec":243967},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.647374,"noise_level":-27.487526,"freq_skew":0.509995,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733303,"usec":245839},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.313441,"noise_level":-27.405642,"freq_skew":-1.068870,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733303,"usec":999712},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.194998,"noise_level":-27.204243,"freq_skew":0.559804,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733304,"usec":611},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472331,"noise_level":-27.144720,"freq_skew":0.679256,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"Z","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733305,"usec":518825},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.633600,"noise_level":-26.244007,"freq_skew":0.647081,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":44472,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733305,"usec":521392},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.325019,"noise_level":-26.067564,"freq_skew":3.417418,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733305,"usec":527246},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.650958,"noise_level":-25.946152,"freq_skew":0.719576,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733306,"usec":285561},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.074308,"noise_level":-25.843420,"freq_skew":0.348827,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733307,"usec":39622},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.309776,"noise_level":-25.363319,"freq_skew":-0.967929,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733307,"usec":41360},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.399471,"noise_level":-25.267218,"freq_skew":0.680836,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"Z","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733307,"usec":807633},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.320413,"noise_level":-24.923668,"freq_skew":0.029709,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733307,"usec":811451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.399796,"noise_level":-24.783001,"freq_skew":-1.212088,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733310,"usec":855770},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683439,"noise_level":-23.399761,"freq_skew":0.697120,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52090,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[42,141,125,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733310,"usec":857684},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.010129,"noise_level":-23.323017,"freq_skew":-2.336816,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":677,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1492,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,195,26,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733311,"usec":620122},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.870416,"noise_level":-23.171535,"freq_skew":0.447566,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"LFML"},{"name":"ac_location","value":{"loc":{"lat":42.700001,"lon":-0.600000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733311,"usec":623854},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.203803,"noise_level":-23.022650,"freq_skew":0.488656,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733311,"usec":624681},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839043,"noise_level":-23.834778,"freq_skew":0.306750,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QDO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR77KW","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733312,"usec":381623},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.099422,"noise_level":-24.847479,"freq_skew":0.114170,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221207","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,135,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733312,"usec":383312},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.685124,"noise_level":-24.771923,"freq_skew":-2.273856,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"IB0591","msg_num":"F91","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,115/TS200830,2807252221"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733312,"usec":383942},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524338,"noise_level":-24.771923,"freq_skew":0.155989,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":43.600002,"lon":-4.400000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733312,"usec":390011},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500772,"noise_level":-24.578495,"freq_skew":0.186254,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVI","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC49VX","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733313,"usec":140880},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.726823,"noise_level":-24.549118,"freq_skew":0.447771,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000200","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,128,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733313,"usec":908287},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356057,"noise_level":-24.638079,"freq_skew":0.461503,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":43.600002,"lon":-5.700000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733313,"usec":908928},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.120194,"noise_level":-24.608498,"freq_skew":0.247204,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733313,"usec":911204},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640700,"noise_level":-25.326416,"freq_skew":0.114555,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733313,"usec":913882},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.402807,"noise_level":-25.278437,"freq_skew":1.105381,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733314,"usec":660531},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.578883,"noise_level":-25.104742,"freq_skew":0.749280,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733314,"usec":661816},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304032,"noise_level":-25.042431,"freq_skew":0.345157,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733314,"usec":663889},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.106896,"noise_level":-24.919136,"freq_skew":0.418366,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"TP0687","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733314,"usec":669679},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429238,"noise_level":-24.797565,"freq_skew":0.105588,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,211,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733315,"usec":429707},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679973,"noise_level":-24.633139,"freq_skew":0.602602,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733315,"usec":430500},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.443594,"noise_level":-24.588831,"freq_skew":-2.018531,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"9","ack":"F","flight":"IB0591","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733315,"usec":430961},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.968426,"noise_level":-24.574110,"freq_skew":-2.254281,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"IB0591","msg_num":"F91","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,115/TS200830,2807252221"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733315,"usec":431722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517827,"noise_level":-25.655090,"freq_skew":0.051918,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733316,"usec":188363},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.274670,"noise_level":-25.457481,"freq_skew":0.490055,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733316,"usec":193668},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.712950,"noise_level":-25.344254,"freq_skew":1.501905,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1400,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[174,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733316,"usec":194098},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.879841,"noise_level":-25.855347,"freq_skew":0.366556,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733316,"usec":198031},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.526180,"noise_level":-25.720045,"freq_skew":1.267269,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":775,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[126,236,10,28]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733316,"usec":198445},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168156,"noise_level":-25.703281,"freq_skew":1.124731,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":529,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[232,245,0,198]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43233,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[67,32,131,120]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733316,"usec":947726},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.090568,"noise_level":-25.586824,"freq_skew":-0.486153,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733316,"usec":948198},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.984594,"noise_level":-25.570314,"freq_skew":0.225830,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733316,"usec":955348},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.012378,"noise_level":-25.374603,"freq_skew":-2.114562,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"IB0591","msg_num":"F92","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN41419W003183,EDIGO,200831,295,DGO,201453,CEGAM,M36,28632,115/TS200831,2807250C1A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733317,"usec":710045},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.820503,"noise_level":-25.120331,"freq_skew":0.655783,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-2.300000},"alt":20000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733317,"usec":710435},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.062290,"noise_level":-25.104683,"freq_skew":0.945519,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1731,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733317,"usec":711000},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.871445,"noise_level":-25.073471,"freq_skew":1.008428,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733317,"usec":711331},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.226927,"noise_level":-25.057907,"freq_skew":1.420351,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733317,"usec":712622},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491323,"noise_level":-24.995934,"freq_skew":0.308223,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733317,"usec":717211},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809014,"noise_level":-24.858082,"freq_skew":0.544205,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733318,"usec":478500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.241318,"noise_level":-24.782431,"freq_skew":0.642326,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733318,"usec":480719},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.211138,"noise_level":-24.662746,"freq_skew":-2.232272,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[121,98,197,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733318,"usec":481259},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.802888,"noise_level":-24.991379,"freq_skew":-0.292323,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":718,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43221,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[64,230,62,43]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733318,"usec":481259},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.802888,"noise_level":-24.991379,"freq_skew":-0.292323,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":719,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43221,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[215,25,178,107]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733319,"usec":235813},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.863224,"noise_level":-25.825472,"freq_skew":-0.717254,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":548,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43132,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[98,136,22,15]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43132,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[23,186,191,193]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733319,"usec":241775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.976545,"noise_level":-25.607412,"freq_skew":-0.400419,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733320,"usec":7759},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.328500,"noise_level":-25.108505,"freq_skew":-0.751993,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733320,"usec":758178},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.065242,"noise_level":-24.892254,"freq_skew":-0.317791,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1,33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733320,"usec":759562},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.735276,"noise_level":-24.831444,"freq_skew":-2.215917,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733320,"usec":763562},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.112536,"noise_level":-24.726040,"freq_skew":-0.557710,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733323,"usec":42449},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.739791,"noise_level":-24.021139,"freq_skew":-0.908692,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":549,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43132,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[236,45,54,60]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733323,"usec":46136},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.639092,"noise_level":-23.857100,"freq_skew":-0.559322,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":550,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1525,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[178,80,203,186]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733323,"usec":46338},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836725,"noise_level":-24.977554,"freq_skew":-1.730023,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWK","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH08XJ","msg_num":"M72","msg_num_seq":"A","msg_text":"00231209239PBQQ7TH::DW,V2*::D0K04JTTM3)JD)K614**-21371"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733323,"usec":812832},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.989062,"noise_level":-24.794619,"freq_skew":-0.356163,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":720,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":5270,"dst_ref":1550,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[46,189,90,185]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733323,"usec":814723},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639616,"noise_level":-25.367546,"freq_skew":-2.491343,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":678,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733323,"usec":818096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432257,"noise_level":-25.223721,"freq_skew":-0.548117,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733323,"usec":820432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.065052,"noise_level":-25.113478,"freq_skew":-1.854668,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733324,"usec":563764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.343464,"noise_level":-25.051105,"freq_skew":0.568619,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733324,"usec":564881},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661187,"noise_level":-25.004618,"freq_skew":-0.198504,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":873,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733325,"usec":335065},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.131487,"noise_level":-25.482571,"freq_skew":-0.406331,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733325,"usec":335474},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158434,"noise_level":-25.482571,"freq_skew":0.459640,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-2.300000},"alt":20000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733325,"usec":339223},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.698178,"noise_level":-25.936758,"freq_skew":0.437591,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"IB0620","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733326,"usec":99238},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.195889,"noise_level":-26.534801,"freq_skew":-0.045344,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":727,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1467,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[39,41,4,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733326,"usec":100263},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.851781,"noise_level":-26.461384,"freq_skew":0.427949,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15060216","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,96,142,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733326,"usec":103815},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.535923,"noise_level":-26.370480,"freq_skew":-2.160679,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":562,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43100,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[22,78,224,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733326,"usec":857754},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713229,"noise_level":-26.138487,"freq_skew":2.182591,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DPF","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"FR03NM","msg_num":"M81","msg_num_seq":"A","msg_text":"200844,,2115, 123,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733326,"usec":858629},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.018007,"noise_level":-26.589890,"freq_skew":1.904832,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[219,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733326,"usec":864210},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.572647,"noise_level":-27.265539,"freq_skew":0.618332,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":45139,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733326,"usec":864806},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.372303,"noise_level":-27.245514,"freq_skew":0.564352,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733327,"usec":617344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.068238,"noise_level":-27.086945,"freq_skew":0.717498,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733327,"usec":619631},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.729108,"noise_level":-26.931219,"freq_skew":0.484378,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":45155,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733327,"usec":620450},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501218,"noise_level":-26.892721,"freq_skew":-2.414797,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-7.500000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733327,"usec":620756},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823294,"noise_level":-26.873535,"freq_skew":0.534882,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733327,"usec":621458},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885101,"noise_level":-26.835291,"freq_skew":0.859317,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733328,"usec":379729},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232372,"noise_level":-26.769363,"freq_skew":0.970398,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733328,"usec":379990},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074253,"noise_level":-26.750448,"freq_skew":0.941448,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,92,22,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733328,"usec":380603},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.256027,"noise_level":-26.712742,"freq_skew":1.201394,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":530,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":68,"dst_ref":30693,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[136,252,22,1]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":146224},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.286685,"noise_level":-26.308413,"freq_skew":0.684552,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18005,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":1,"variable_part_params":[{"name":"checksum","value":[51,131]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":147817},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.190470,"noise_level":-26.201332,"freq_skew":1.956592,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":148455},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.016335,"noise_level":-26.165928,"freq_skew":-0.346197,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":591,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":150961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.813017,"noise_level":-26.095554,"freq_skew":0.756337,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":151997},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871154,"noise_level":-26.078051,"freq_skew":0.478329,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":721,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30593,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[22,248,74,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":898448},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238902,"noise_level":-25.887787,"freq_skew":0.546392,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":383,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1497,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[48,116,21,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":899005},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.566561,"noise_level":-25.853638,"freq_skew":-0.748847,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":551,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":67,"dst_ref":43132,"variable_part_params":[{"name":"atn_checksum","value":[223,117,131,157]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":899291},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696293,"noise_level":-25.836613,"freq_skew":0.464022,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"346648","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":899599},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.807863,"noise_level":-25.819622,"freq_skew":0.163353,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":722,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30593,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[252,33,197,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":902377},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.012103,"noise_level":-25.768845,"freq_skew":1.657177,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7337,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[146,186]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":904185},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.754404,"noise_level":-26.902561,"freq_skew":-0.738355,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":904185},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.754404,"noise_level":-26.902561,"freq_skew":-0.738355,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[159,93,53,65]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733329,"usec":907838},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646923,"noise_level":-27.581135,"freq_skew":0.441404,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C648E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":45155,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733330,"usec":665725},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.453177,"noise_level":-27.498367,"freq_skew":-0.133062,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":728,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1467,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[54,45,231,247]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1467,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[34,18,193,85]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733330,"usec":667122},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179143,"noise_level":-27.416378,"freq_skew":0.620126,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733330,"usec":670252},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.019522,"noise_level":-27.512558,"freq_skew":0.705053,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":39.200001,"lon":-7.100000},"alt":39000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733330,"usec":673076},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.391906,"noise_level":-27.430435,"freq_skew":-0.410875,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733330,"usec":676824},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331946,"noise_level":-27.756165,"freq_skew":-2.483076,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733331,"usec":429811},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.953135,"noise_level":-27.629799,"freq_skew":0.640158,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQS","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EC52FK","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733331,"usec":430607},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.318288,"noise_level":-27.588085,"freq_skew":0.713777,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21003465","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,7,53,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733331,"usec":431447},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945073,"noise_level":-27.525885,"freq_skew":0.876765,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":530,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":68,"dst_ref":30693,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[136,252,22,1]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733331,"usec":435420},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.376579,"noise_level":-27.423199,"freq_skew":-0.776631,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733332,"usec":186533},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.069949,"noise_level":-27.102528,"freq_skew":0.123513,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733332,"usec":187793},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.902901,"noise_level":-27.024176,"freq_skew":-0.898391,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":553,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[244,42,103,235]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1525,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[219,72,66,44]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733332,"usec":188335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727868,"noise_level":-26.985264,"freq_skew":0.651655,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733332,"usec":196413},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563621,"noise_level":-26.755381,"freq_skew":1.037398,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733332,"usec":951519},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071302,"noise_level":-26.403404,"freq_skew":0.772767,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":722,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30593,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[252,33,197,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733333,"usec":714208},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.782608,"noise_level":-26.170540,"freq_skew":0.658182,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"346648","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":45353,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733333,"usec":716123},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.312889,"noise_level":-26.945263,"freq_skew":-0.684954,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733334,"usec":473016},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.586427,"noise_level":-26.622826,"freq_skew":1.583269,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":717,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[72,44,67,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733334,"usec":473557},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986886,"noise_level":-26.604223,"freq_skew":1.079053,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":776,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[211,185,60,198]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43172,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[99,88,122,245]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733334,"usec":475024},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.423500,"noise_level":-26.533117,"freq_skew":-0.363614,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733334,"usec":480584},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.531281,"noise_level":-26.350765,"freq_skew":0.543047,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18010,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[28,2,248,177]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":1,"acked_credit":2}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733335,"usec":234633},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669379,"noise_level":-26.119291,"freq_skew":0.222937,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":43.600002,"lon":-5.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733335,"usec":235853},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468300,"noise_level":-26.066738,"freq_skew":-2.266239,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-7.500000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733335,"usec":238561},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557519,"noise_level":-25.928133,"freq_skew":1.160197,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733335,"usec":241071},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.771411,"noise_level":-25.842613,"freq_skew":-2.259349,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDN","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH092N","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733335,"usec":241071},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.771411,"noise_level":-25.842613,"freq_skew":-2.259349,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062216","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,142,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733335,"usec":999727},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.685955,"noise_level":-25.842613,"freq_skew":1.335671,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":82},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629426,"noise_level":-26.269396,"freq_skew":0.340783,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"TP0687","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":2295},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385091,"noise_level":-26.180468,"freq_skew":0.427350,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,211,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":4476},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976365,"noise_level":-26.127546,"freq_skew":1.234012,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":777,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":67,"dst_ref":23071,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[237,234,218,223]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":7411},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485467,"noise_level":-26.939720,"freq_skew":-0.290389,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":729,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1467,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[222,45,158,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":54}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":8773},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.161881,"noise_level":-26.920433,"freq_skew":0.413733,"avlc":{"src":{"addr":"407F62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":722,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30593,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[252,33,197,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":768868},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.828523,"noise_level":-26.692236,"freq_skew":3.704051,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":40.200001,"lon":-3.600000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":773926},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764266,"noise_level":-26.524940,"freq_skew":0.194864,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":775262},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.899118,"noise_level":-26.469883,"freq_skew":-0.016927,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":776022},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.998288,"noise_level":-26.433371,"freq_skew":3.719453,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"U245GK","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":776022},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.998288,"noise_level":-26.433371,"freq_skew":3.719453,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20060027","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,96,23,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733336,"usec":777586},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.261175,"noise_level":-26.397011,"freq_skew":1.089625,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733337,"usec":530487},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.111166,"noise_level":-25.954918,"freq_skew":-2.449074,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733337,"usec":532418},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.125505,"noise_level":-25.903349,"freq_skew":3.556885,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733338,"usec":302911},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.300806,"noise_level":-25.420015,"freq_skew":3.655107,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733339,"usec":61329},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.622538,"noise_level":-25.070492,"freq_skew":-1.907273,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":874,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43074,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[76,40,236,202]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733339,"usec":808935},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.416967,"noise_level":-24.962166,"freq_skew":-0.130683,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":874,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[7,36,56,79]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733339,"usec":811496},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.495908,"noise_level":-25.690420,"freq_skew":1.878932,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733339,"usec":813044},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.782292,"noise_level":-25.673712,"freq_skew":0.218467,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733339,"usec":815549},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.162327,"noise_level":-25.623779,"freq_skew":0.441986,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2889,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43222,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[130,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733339,"usec":817297},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435829,"noise_level":-25.607201,"freq_skew":-2.545608,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733339,"usec":819665},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.206273,"noise_level":-25.541193,"freq_skew":0.090167,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":888,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43246,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[6,44]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733340,"usec":569567},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.262223,"noise_level":-25.346128,"freq_skew":-0.080547,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733340,"usec":576325},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.751061,"noise_level":-25.171089,"freq_skew":-0.016011,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":889,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43246,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[205,46]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":8,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733340,"usec":581059},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396005,"noise_level":-25.402290,"freq_skew":0.048645,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":730,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1467,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[169,204,226,231]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733341,"usec":334707},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520907,"noise_level":-25.273817,"freq_skew":-1.989893,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-0.800000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733341,"usec":335274},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.946616,"noise_level":-25.521103,"freq_skew":0.158859,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733341,"usec":335557},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492831,"noise_level":-25.521103,"freq_skew":-2.238111,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[63,99,176,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733341,"usec":335557},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.492831,"noise_level":-25.521103,"freq_skew":-2.238111,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":564,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[18,179,71,63]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733341,"usec":339839},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066183,"noise_level":-26.294094,"freq_skew":1.298800,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":718,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733342,"usec":90665},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.430317,"noise_level":-26.695642,"freq_skew":0.612794,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733342,"usec":90783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.929211,"noise_level":-26.695642,"freq_skew":-0.196256,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733343,"usec":624987},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428604,"noise_level":-25.818630,"freq_skew":0.400847,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,111,71,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733344,"usec":393236},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.956343,"noise_level":-25.372046,"freq_skew":0.336844,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":270,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[2,52,137,190]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733345,"usec":143435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976053,"noise_level":-25.024406,"freq_skew":0.223003,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733345,"usec":902897},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790991,"noise_level":-24.916651,"freq_skew":0.710929,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"_d","blk_id":"6","ack":"A","flight":"U235GQ","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733345,"usec":906996},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.437162,"noise_level":-24.764996,"freq_skew":0.576010,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,127,133,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733345,"usec":910704},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.882080,"noise_level":-24.645550,"freq_skew":0.269914,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":374,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,48,22,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733345,"usec":912640},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958925,"noise_level":-24.571722,"freq_skew":0.888607,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"U235GQ","msg_num":"F18","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPT,02O,68,2105044CF1"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733346,"usec":675533},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.359740,"noise_level":-24.325298,"freq_skew":0.461567,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733346,"usec":676667},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864730,"noise_level":-24.282530,"freq_skew":0.447041,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":271,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733346,"usec":678288},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691702,"noise_level":-24.376381,"freq_skew":0.010254,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":890,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733347,"usec":428299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.087605,"noise_level":-25.344429,"freq_skew":0.985034,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733347,"usec":432327},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656715,"noise_level":-26.118530,"freq_skew":1.907020,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[24,51,128,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733348,"usec":192850},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696102,"noise_level":-26.680405,"freq_skew":0.631697,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2780,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[118,48,68,115]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733348,"usec":195334},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090633,"noise_level":-26.587193,"freq_skew":1.116152,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":165,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43270,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[65,6,84,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733348,"usec":199889},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472211,"noise_level":-27.120777,"freq_skew":0.638164,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18028,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":130,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[2,164,138,142]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":1,"acked_credit":3}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733348,"usec":957735},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.277674,"noise_level":-27.003269,"freq_skew":-1.795224,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[33,55,217,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733348,"usec":960850},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674803,"noise_level":-27.239174,"freq_skew":0.522263,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"5Y","blk_id":"6","ack":"!","flight":"TP0687","msg_num":"M45","msg_num_seq":"A","msg_text":"---2043  47N 433534,W  55244,37019,  460750,MS47,331, 30,246,200900,10400"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733348,"usec":963195},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394223,"noise_level":-27.139801,"freq_skew":-2.037620,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-0.800000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733348,"usec":963938},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.279528,"noise_level":-27.120064,"freq_skew":0.710593,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733349,"usec":710196},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.993903,"noise_level":-27.691311,"freq_skew":0.677078,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":45734,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733349,"usec":711010},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449106,"noise_level":-27.649300,"freq_skew":-1.932797,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWK","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH08XJ","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733349,"usec":711010},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.449106,"noise_level":-27.649300,"freq_skew":-1.932797,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17053353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,86,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733349,"usec":711605},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.783710,"noise_level":-27.628368,"freq_skew":1.216053,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733350,"usec":478050},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.586660,"noise_level":-27.697866,"freq_skew":1.003215,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[12,17,146,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733350,"usec":478587},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.012972,"noise_level":-27.990936,"freq_skew":1.052594,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":763,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[170,71,234,124]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733350,"usec":479251},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.006219,"noise_level":-27.947454,"freq_skew":1.488365,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733350,"usec":484274},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.095659,"noise_level":-27.795382,"freq_skew":-1.974533,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733350,"usec":486474},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659780,"noise_level":-27.710556,"freq_skew":1.939287,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[24,51,128,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733351,"usec":240298},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.106985,"noise_level":-27.318573,"freq_skew":1.001138,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733351,"usec":998032},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.215895,"noise_level":-27.040657,"freq_skew":-1.984421,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[33,55,217,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733351,"usec":998624},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346255,"noise_level":-27.841499,"freq_skew":0.896118,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":43.400002,"lon":-1.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733352,"usec":3486},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.290227,"noise_level":-27.608976,"freq_skew":0.834931,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"TP05AS","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733352,"usec":5508},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763361,"noise_level":-27.546627,"freq_skew":0.698563,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250721","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733352,"usec":758434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.159562,"noise_level":-27.301613,"freq_skew":-0.299720,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733352,"usec":759164},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.241307,"noise_level":-27.261438,"freq_skew":0.494104,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733353,"usec":523281},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.037970,"noise_level":-26.831387,"freq_skew":0.864961,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733353,"usec":528053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.899125,"noise_level":-26.586929,"freq_skew":1.106776,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733353,"usec":531434},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.631101,"noise_level":-26.421627,"freq_skew":1.702288,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[24,51,128,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733353,"usec":531599},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.019676,"noise_level":-26.421627,"freq_skew":1.180697,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":588,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43137,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[95,142,211,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733354,"usec":292145},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643168,"noise_level":-26.726892,"freq_skew":0.476544,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IFT","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"FR37LU","msg_num":"M77","msg_num_seq":"A","msg_text":"200912,16647,2023,  80,N 40.452 W  4.303"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733354,"usec":293856},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.002692,"noise_level":-26.905844,"freq_skew":-1.898677,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733354,"usec":296254},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.013664,"noise_level":-26.829239,"freq_skew":0.032779,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733355,"usec":46260},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642790,"noise_level":-26.640633,"freq_skew":-0.184777,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":875,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[199,117,78,28]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733355,"usec":50094},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209030,"noise_level":-27.438618,"freq_skew":-2.015338,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[33,55,217,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733355,"usec":807075},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.666938,"noise_level":-27.038900,"freq_skew":0.604124,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18039,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[155,249,23,73]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":125.750000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733355,"usec":807402},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.059770,"noise_level":-27.019388,"freq_skew":1.689184,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-8.500000},"alt":0}},{"name":"alternate_ground_stations","value":["1192CA","129F1A","119A6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733355,"usec":811382},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-3.960758,"noise_level":-26.884026,"freq_skew":0.142804,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733356,"usec":571819},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.872333,"noise_level":-26.638100,"freq_skew":-0.164155,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":876,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[184,197,178,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733356,"usec":574120},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.867541,"noise_level":-26.526905,"freq_skew":-0.377243,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":877,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[92,240,106,249]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43203,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[167,87,56,242]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733356,"usec":574789},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.118496,"noise_level":-26.490152,"freq_skew":1.617670,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127720","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,208,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733356,"usec":578987},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.992858,"noise_level":-26.362732,"freq_skew":-0.236643,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.799999,"lon":-6.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733356,"usec":581888},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.714284,"noise_level":-26.581861,"freq_skew":0.455121,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733357,"usec":328850},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.845407,"noise_level":-26.380369,"freq_skew":1.477897,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GXK","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR0652","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733357,"usec":335303},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.227878,"noise_level":-26.361866,"freq_skew":-0.334069,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733358,"usec":91577},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485076,"noise_level":-26.325806,"freq_skew":1.571952,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733358,"usec":94665},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625920,"noise_level":-26.183037,"freq_skew":0.466459,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18039,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[155,249,23,73]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":125.750000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733358,"usec":103660},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.750733,"noise_level":-26.744747,"freq_skew":-1.905316,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":269,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[118,4,12,62]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43126,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[182,19,29,236]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":17}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733358,"usec":861478},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547015,"noise_level":-26.879980,"freq_skew":1.355223,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":588,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43137,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[95,142,211,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733358,"usec":864975},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700098,"noise_level":-27.774483,"freq_skew":0.506365,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18049,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[2,142,174,103]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733358,"usec":866512},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.689601,"noise_level":-27.689857,"freq_skew":1.570751,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733359,"usec":614766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.895288,"noise_level":-27.440826,"freq_skew":0.143170,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733359,"usec":616234},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559695,"noise_level":-27.529053,"freq_skew":2.475051,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":533,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[37,230,185,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733359,"usec":617673},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.692616,"noise_level":-27.773544,"freq_skew":-2.017758,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733359,"usec":622000},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.302320,"noise_level":-27.542810,"freq_skew":0.596367,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32405,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[182,71,95,148]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733360,"usec":379237},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.910243,"noise_level":-27.419493,"freq_skew":0.706211,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2781,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[7,58,190,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733360,"usec":385796},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155236,"noise_level":-27.197859,"freq_skew":0.912406,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733361,"usec":146233},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.629584,"noise_level":-26.943016,"freq_skew":0.420937,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733361,"usec":147723},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.967236,"noise_level":-26.866085,"freq_skew":-0.242945,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":878,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43203,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[249,226,20,0]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733361,"usec":150676},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788759,"noise_level":-26.733072,"freq_skew":1.765107,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":744,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733361,"usec":911869},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.399729,"noise_level":-26.273993,"freq_skew":0.546117,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733361,"usec":915475},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.291960,"noise_level":-26.283108,"freq_skew":-0.397126,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733362,"usec":678475},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.199228,"noise_level":-26.464550,"freq_skew":-0.238214,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733362,"usec":684866},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.087924,"noise_level":-26.231396,"freq_skew":-0.282204,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":879,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[207,144,101,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733363,"usec":426258},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.030558,"noise_level":-26.951025,"freq_skew":0.605254,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2781,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[7,58,190,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733363,"usec":427483},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393759,"noise_level":-26.874023,"freq_skew":0.547244,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43146,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[240,212,235,108]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733363,"usec":436926},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.689370,"noise_level":-26.572662,"freq_skew":0.471928,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733364,"usec":200458},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.391017,"noise_level":-26.121769,"freq_skew":-1.917319,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":270,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43126,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[232,185,20,163]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":22}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733364,"usec":947304},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.058015,"noise_level":-27.023884,"freq_skew":0.040878,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.799999,"lon":-6.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733364,"usec":949954},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.825078,"noise_level":-27.770256,"freq_skew":0.545982,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733364,"usec":954111},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.998243,"noise_level":-27.643690,"freq_skew":0.703043,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSI","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"FR15XZ","msg_num":"M92","msg_num_seq":"A","msg_text":"200924,,2028, 116,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733364,"usec":955247},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.805555,"noise_level":-27.643690,"freq_skew":0.401611,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18058,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[87,91,224,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733365,"usec":714628},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.505145,"noise_level":-27.987381,"freq_skew":0.603124,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18059,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[165,165,99,77]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":8,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733365,"usec":714952},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.024962,"noise_level":-28.496506,"freq_skew":0.445339,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733365,"usec":718081},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781421,"noise_level":-28.336281,"freq_skew":0.578365,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733365,"usec":723396},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.050163,"noise_level":-28.156712,"freq_skew":-1.755991,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733366,"usec":480989},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.648436,"noise_level":-27.787027,"freq_skew":-1.678784,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[203,208,62,232]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733366,"usec":485331},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736674,"noise_level":-28.670849,"freq_skew":0.682403,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733367,"usec":234052},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.481662,"noise_level":-28.623838,"freq_skew":0.477140,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733367,"usec":237709},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.260425,"noise_level":-28.623755,"freq_skew":0.487289,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733368,"usec":761746},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584829,"noise_level":-27.937084,"freq_skew":1.611675,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6522,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733368,"usec":762269},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466021,"noise_level":-27.937084,"freq_skew":0.809813,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-6.800000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733368,"usec":763821},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.797643,"noise_level":-27.850868,"freq_skew":0.659440,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733368,"usec":764322},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891573,"noise_level":-27.829449,"freq_skew":0.304886,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":383,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[9,235,230,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733368,"usec":767160},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.109743,"noise_level":-27.680967,"freq_skew":0.985003,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"U235GQ","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733368,"usec":767160},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.109743,"noise_level":-27.680967,"freq_skew":0.985003,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20060025","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,96,21,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733368,"usec":769744},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.605011,"noise_level":-27.555685,"freq_skew":0.620544,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20060025","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733368,"usec":770166},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.332060,"noise_level":-27.534981,"freq_skew":0.472399,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733369,"usec":523669},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.975670,"noise_level":-27.150669,"freq_skew":0.653351,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2781,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[7,58,190,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733369,"usec":524666},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.841821,"noise_level":-27.111189,"freq_skew":-1.978444,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-2.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733369,"usec":525273},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.406574,"noise_level":-27.868004,"freq_skew":0.491068,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733370,"usec":281580},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.609907,"noise_level":-27.782469,"freq_skew":0.286471,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733370,"usec":283280},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557372,"noise_level":-27.697769,"freq_skew":0.466138,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733370,"usec":284326},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.680841,"noise_level":-27.634781,"freq_skew":-2.160150,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-ILR","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"I218LM","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733370,"usec":284460},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.747498,"noise_level":-27.634781,"freq_skew":0.909289,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733370,"usec":285064},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538560,"noise_level":-27.613886,"freq_skew":0.598810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20060025","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733370,"usec":285192},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710946,"noise_level":-27.613886,"freq_skew":-2.211542,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,83,0,52,32,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733370,"usec":285324},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.207066,"noise_level":-27.593040,"freq_skew":0.598748,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733370,"usec":285802},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.544667,"noise_level":-27.572247,"freq_skew":-0.219079,"avlc":{"src":{"addr":"347387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43171,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[233,99,213,183]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733371,"usec":53233},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.230955,"noise_level":-27.067928,"freq_skew":0.978115,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733371,"usec":55814},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.245967,"noise_level":-27.046736,"freq_skew":1.039679,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1732,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43082,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[38,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733371,"usec":56755},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.481638,"noise_level":-27.007721,"freq_skew":-2.044421,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733371,"usec":57437},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.150652,"noise_level":-27.311062,"freq_skew":0.544247,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[137,30,180,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733371,"usec":57850},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.956627,"noise_level":-27.290932,"freq_skew":0.650918,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733371,"usec":812514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.370652,"noise_level":-27.013884,"freq_skew":0.514120,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733371,"usec":815569},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945436,"noise_level":-26.878607,"freq_skew":0.481398,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":41.200001,"lon":-7.100000},"alt":38000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733371,"usec":816568},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.813037,"noise_level":-27.578274,"freq_skew":3.073821,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4077,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733372,"usec":569544},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.555881,"noise_level":-27.454454,"freq_skew":-2.198887,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[226,103,191,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733372,"usec":570823},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.185022,"noise_level":-28.363962,"freq_skew":-2.349882,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":565,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733372,"usec":571118},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.896796,"noise_level":-28.363962,"freq_skew":0.527383,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJO","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR97JL","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733372,"usec":577445},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.769224,"noise_level":-28.592422,"freq_skew":0.662879,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127144","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,100,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733372,"usec":579271},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.670721,"noise_level":-28.522629,"freq_skew":0.609737,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":254,"calling_addr":"23127144","facilities":[{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733373,"usec":336507},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.261815,"noise_level":-28.476410,"freq_skew":0.509717,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18068,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8,"credit":10,"rseq":8,"variable_part_params":[{"name":"checksum","value":[63,120]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733373,"usec":336847},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.875381,"noise_level":-28.453392,"freq_skew":1.585659,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAR","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FR10RR","msg_num":"M03","msg_num_seq":"A","msg_text":"200931,M118132,2210, 166,N 39.889 W  3.423"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733373,"usec":337094},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864674,"noise_level":-28.695770,"freq_skew":1.534742,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733373,"usec":342184},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.163578,"noise_level":-28.462553,"freq_skew":-0.242789,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.799999,"lon":-6.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733373,"usec":344418},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.633396,"noise_level":-29.071220,"freq_skew":0.479599,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733374,"usec":97571},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.492098,"noise_level":-28.924379,"freq_skew":0.511608,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJO","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733374,"usec":97699},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804586,"noise_level":-28.924379,"freq_skew":0.845488,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1733,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43082,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[7,26]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733374,"usec":101130},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.271377,"noise_level":-28.708670,"freq_skew":0.479863,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733374,"usec":856207},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.389460,"noise_level":-28.360649,"freq_skew":-2.273664,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733374,"usec":859859},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.317538,"noise_level":-28.158331,"freq_skew":0.786810,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733374,"usec":860297},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273812,"noise_level":-28.136141,"freq_skew":0.465563,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[86,18,159,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733374,"usec":861279},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.638526,"noise_level":-28.091927,"freq_skew":-0.268695,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":669,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733374,"usec":863716},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706926,"noise_level":-27.982368,"freq_skew":0.842706,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":634,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[232,165,193,252]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733375,"usec":618945},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.093316,"noise_level":-28.087645,"freq_skew":1.290688,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733375,"usec":620870},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.441462,"noise_level":-28.823269,"freq_skew":0.665750,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733375,"usec":626295},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.380937,"noise_level":-28.610023,"freq_skew":0.635342,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733375,"usec":626740},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.973027,"noise_level":-28.586653,"freq_skew":2.050225,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":258,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[58,172,5,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733376,"usec":384207},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.803902,"noise_level":-28.356306,"freq_skew":1.643320,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":453,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1509,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[141,117,72,90]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733376,"usec":384627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.993500,"noise_level":-28.333605,"freq_skew":0.563671,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733376,"usec":391122},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.981227,"noise_level":-28.222029,"freq_skew":-2.349389,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":566,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43100,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[47,248,29,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733376,"usec":391424},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411386,"noise_level":-28.222029,"freq_skew":1.202579,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[45,136,232,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733377,"usec":139560},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891492,"noise_level":-28.428970,"freq_skew":0.225214,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":123,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,145,175,38]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733377,"usec":140787},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.055608,"noise_level":-28.360472,"freq_skew":2.579997,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":329,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733377,"usec":143619},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.208484,"noise_level":-28.225075,"freq_skew":0.588211,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733377,"usec":144411},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.151855,"noise_level":-28.180408,"freq_skew":2.759017,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733377,"usec":906993},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.239534,"noise_level":-27.831106,"freq_skew":-0.310178,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733377,"usec":907932},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.197498,"noise_level":-27.788414,"freq_skew":2.616843,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":792,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733377,"usec":909478},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.020969,"noise_level":-27.724770,"freq_skew":0.274217,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43142,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[117,17,150,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733377,"usec":913393},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.979491,"noise_level":-27.536583,"freq_skew":0.285070,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[137,30,180,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733379,"usec":432269},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.882058,"noise_level":-26.898678,"freq_skew":-0.214975,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":133,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733379,"usec":432687},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352269,"noise_level":-27.111645,"freq_skew":0.804717,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1066,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43118,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[132,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733379,"usec":437983},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.807355,"noise_level":-26.859283,"freq_skew":2.567958,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733379,"usec":439087},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.094354,"noise_level":-26.821100,"freq_skew":1.567291,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":745,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":184948},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391186,"noise_level":-27.213718,"freq_skew":1.069622,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1733,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43082,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[7,26]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":188774},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737278,"noise_level":-27.036175,"freq_skew":1.136413,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.500000,"lon":-6.000000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":191542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.426121,"noise_level":-28.055391,"freq_skew":0.682006,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":191837},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.076391,"noise_level":-28.033463,"freq_skew":0.408547,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":43.700001,"lon":-4.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":193368},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.723626,"noise_level":-27.946289,"freq_skew":0.577665,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":193778},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.816325,"noise_level":-27.946289,"freq_skew":1.293312,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":589,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43137,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[180,121,77,235]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43137,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[179,137,105,199]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":952136},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.924060,"noise_level":-28.475986,"freq_skew":1.310268,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":590,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1527,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[188,91,122,152]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":952136},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.924060,"noise_level":-28.475986,"freq_skew":1.310268,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"EC92VK","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":952497},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439937,"noise_level":-28.475986,"freq_skew":0.206962,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVI","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC49VX","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":952497},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.439937,"noise_level":-28.475986,"freq_skew":0.206962,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000200","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,128,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":954912},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.385633,"noise_level":-28.597496,"freq_skew":0.678978,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":956445},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.825450,"noise_level":-28.550877,"freq_skew":1.218750,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,177,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":957975},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.443010,"noise_level":-29.172001,"freq_skew":0.468484,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":479,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43160,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[36,91,218,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":960176},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785846,"noise_level":-30.146715,"freq_skew":0.663821,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":960758},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.252819,"noise_level":-30.118826,"freq_skew":0.487730,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[92,12,5,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733380,"usec":960862},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.893436,"noise_level":-30.118826,"freq_skew":0.493544,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52177,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":73,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[23,237,67,44]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":40}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733381,"usec":714613},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.971336,"noise_level":-30.095503,"freq_skew":1.040243,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733381,"usec":716538},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.196995,"noise_level":-30.686325,"freq_skew":0.435201,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733381,"usec":717807},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299129,"noise_level":-30.597607,"freq_skew":1.025757,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":591,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1527,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[139,183,108,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733381,"usec":718790},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.844799,"noise_level":-30.538958,"freq_skew":0.273222,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[137,30,180,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733382,"usec":472167},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.863404,"noise_level":-30.223284,"freq_skew":-1.302097,"avlc":{"src":{"addr":"4CADDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":398,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733382,"usec":473161},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.615945,"noise_level":-30.167101,"freq_skew":0.457377,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733382,"usec":473357},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.882384,"noise_level":-30.145119,"freq_skew":0.447280,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":73,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[171,228,54,106]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LPPC,LISBOA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733382,"usec":477352},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.769236,"noise_level":-29.951780,"freq_skew":0.732575,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":46705,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733382,"usec":480025},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394773,"noise_level":-29.843201,"freq_skew":-0.020800,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.799999,"lon":-6.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733383,"usec":240106},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303854,"noise_level":-29.525379,"freq_skew":0.509875,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733383,"usec":240994},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.818328,"noise_level":-29.473522,"freq_skew":0.713393,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733383,"usec":241262},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.175898,"noise_level":-29.461081,"freq_skew":0.383170,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733383,"usec":241680},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.122352,"noise_level":-29.435307,"freq_skew":-1.322909,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.800000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733383,"usec":245218},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.096491,"noise_level":-29.256983,"freq_skew":0.934733,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":896,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1499,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[91,159,3,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733383,"usec":245521},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.281376,"noise_level":-29.256983,"freq_skew":0.040014,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15022412","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,37,10,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733383,"usec":245868},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291554,"noise_level":-29.231804,"freq_skew":0.838027,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1067,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43118,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[83,176]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733383,"usec":998391},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.721490,"noise_level":-29.106995,"freq_skew":0.487705,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15022412","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733383,"usec":999401},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577337,"noise_level":-29.057570,"freq_skew":1.811743,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[164,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":634},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.366973,"noise_level":-29.369041,"freq_skew":0.467176,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JZM","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":2597},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.526752,"noise_level":-29.292751,"freq_skew":0.409063,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":101,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[91,88,120,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":5512},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.399857,"noise_level":-29.228432,"freq_skew":0.344173,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":479,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43160,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[36,91,218,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":6271},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.794595,"noise_level":-29.203337,"freq_skew":0.896262,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":408,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":7555},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.064239,"noise_level":-29.128479,"freq_skew":1.051203,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1733,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43082,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[7,26]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":8107},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.186302,"noise_level":-29.103670,"freq_skew":1.345866,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":592,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":72,"dst_ref":43137,"variable_part_params":[{"name":"atn_checksum","value":[215,107,181,207]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":757762},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485728,"noise_level":-29.747826,"freq_skew":2.432096,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":758542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.375787,"noise_level":-29.694630,"freq_skew":-0.061655,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":758846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.711452,"noise_level":-29.668150,"freq_skew":0.562239,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":759043},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.705457,"noise_level":-29.668150,"freq_skew":-0.401880,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":761116},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459812,"noise_level":-29.928465,"freq_skew":1.175746,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":591,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1527,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[139,183,108,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":761399},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.856280,"noise_level":-29.928465,"freq_skew":0.652611,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":763530},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.973999,"noise_level":-30.013809,"freq_skew":1.072492,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":764342},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.042171,"noise_level":-29.958961,"freq_skew":0.452198,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733384,"usec":764444},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.098066,"noise_level":-29.958961,"freq_skew":0.657182,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733385,"usec":518908},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575701,"noise_level":-29.716343,"freq_skew":0.664938,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733385,"usec":520421},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676710,"noise_level":-29.610649,"freq_skew":0.648215,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":73,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[171,228,54,106]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LPPC,LISBOA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733385,"usec":520673},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.978226,"noise_level":-30.103310,"freq_skew":0.606694,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"346648","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NPC","mode":"2","label":"H1","blk_id":"T","ack":"!","sublabel":"MD","msg_text":"REQPER/PDC39F\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733385,"usec":524014},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.072837,"noise_level":-29.883743,"freq_skew":-0.626413,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NPC","mode":"2","label":"_d","blk_id":"9","ack":"T","flight":"V73571","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733385,"usec":525379},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.822713,"noise_level":-29.829710,"freq_skew":0.543782,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":46705,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733385,"usec":527307},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.001490,"noise_level":-29.669590,"freq_skew":1.104086,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733385,"usec":527857},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738203,"noise_level":-29.643190,"freq_skew":0.314196,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43142,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[117,17,150,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733386,"usec":285462},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.523760,"noise_level":-29.590626,"freq_skew":0.530787,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733386,"usec":288538},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.186582,"noise_level":-29.357948,"freq_skew":0.519635,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"346648","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733386,"usec":290033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.222880,"noise_level":-29.281754,"freq_skew":-0.229855,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733386,"usec":291357},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.115761,"noise_level":-29.231327,"freq_skew":1.652551,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733386,"usec":293833},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.951869,"noise_level":-29.106524,"freq_skew":0.135236,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4738,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60931,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[253,46]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733386,"usec":294703},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569381,"noise_level":-29.032494,"freq_skew":1.052546,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1527,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[224,132,158,200]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1527,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[61,185,112,65]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":9,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733387,"usec":46244},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.112566,"noise_level":-28.886301,"freq_skew":2.568679,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":43.600002,"lon":-5.100000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733387,"usec":46244},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.112566,"noise_level":-28.886301,"freq_skew":2.568679,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVD","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"EC59FM","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733387,"usec":47249},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925568,"noise_level":-28.838112,"freq_skew":2.537580,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000121","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,81,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733387,"usec":51191},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.396271,"noise_level":-29.017899,"freq_skew":0.593842,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[177,216,55,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733387,"usec":52317},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.101585,"noise_level":-28.944618,"freq_skew":0.879861,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":408,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733387,"usec":805926},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584876,"noise_level":-28.752172,"freq_skew":-0.359587,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NPC","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"V73571","msg_num":"F39","msg_num_seq":"A","sublabel":"M1","msg_text":"PER/PR1324,298,330,98,,0,8,,M42,60,,,P47,P3,40000,4,1226,300ECBB"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733387,"usec":809163},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755992,"noise_level":-28.540646,"freq_skew":0.295692,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[137,30,180,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733387,"usec":809504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618323,"noise_level":-28.517456,"freq_skew":2.603927,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733387,"usec":812736},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.046694,"noise_level":-28.334145,"freq_skew":1.263055,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733388,"usec":571991},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304704,"noise_level":-28.199156,"freq_skew":0.554440,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733388,"usec":572090},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238905,"noise_level":-28.176861,"freq_skew":0.677656,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"346648","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733388,"usec":573781},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285103,"noise_level":-28.088245,"freq_skew":1.217068,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733388,"usec":578284},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706868,"noise_level":-28.125587,"freq_skew":1.586560,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[91,26]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733388,"usec":581636},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583350,"noise_level":-27.993774,"freq_skew":0.557645,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"346648","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NPC","mode":"2","label":"_d","blk_id":"X","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733389,"usec":335673},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.248352,"noise_level":-27.757196,"freq_skew":-1.984626,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":875,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43074,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[166,10,15,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733389,"usec":337473},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480648,"noise_level":-27.743103,"freq_skew":0.510255,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8276,"credit":15,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[9,32,146,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733389,"usec":338366},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.077871,"noise_level":-27.721947,"freq_skew":2.525832,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[205,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733389,"usec":343284},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925057,"noise_level":-27.554523,"freq_skew":-1.260751,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":709,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[79,17,42,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733390,"usec":98422},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657359,"noise_level":-27.656044,"freq_skew":0.707434,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":46912,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733390,"usec":102599},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.204632,"noise_level":-27.629822,"freq_skew":0.484518,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733390,"usec":861017},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.049853,"noise_level":-27.576258,"freq_skew":0.989764,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":408,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733390,"usec":861643},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.964458,"noise_level":-27.555504,"freq_skew":0.656829,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":270,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,71,82,254]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733390,"usec":864709},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.762702,"noise_level":-27.432005,"freq_skew":0.343138,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[137,30,180,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733391,"usec":627826},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.180473,"noise_level":-27.111015,"freq_skew":0.471437,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733391,"usec":629262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.554508,"noise_level":-27.690411,"freq_skew":2.459933,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733391,"usec":630080},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.506717,"noise_level":-28.020275,"freq_skew":-1.208758,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[112,153,114,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733391,"usec":630181},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.134989,"noise_level":-28.020275,"freq_skew":0.649118,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"346648","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NPC","mode":"2","label":"_d","blk_id":"X","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733392,"usec":375965},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625559,"noise_level":-27.510658,"freq_skew":-0.307733,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733392,"usec":383114},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.098231,"noise_level":-27.147156,"freq_skew":-1.462251,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.800000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733393,"usec":142285},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.582891,"noise_level":-26.970955,"freq_skew":2.554347,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[133,210,0,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733393,"usec":142841},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461351,"noise_level":-26.951595,"freq_skew":0.515532,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[3,133,179,85]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733393,"usec":143645},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.704268,"noise_level":-26.913006,"freq_skew":1.581404,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[91,26]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733393,"usec":145777},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.633317,"noise_level":-26.855442,"freq_skew":0.599096,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":46912,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733393,"usec":149507},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.382345,"noise_level":-27.475451,"freq_skew":0.595168,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[221,201,130,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733393,"usec":907230},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.069580,"noise_level":-27.113388,"freq_skew":-1.519822,"avlc":{"src":{"addr":"4CADDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733393,"usec":909307},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.177183,"noise_level":-27.407076,"freq_skew":0.683727,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733393,"usec":910587},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500855,"noise_level":-27.346155,"freq_skew":0.844217,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733394,"usec":664856},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677449,"noise_level":-27.361555,"freq_skew":-1.280761,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[112,153,114,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733394,"usec":668810},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.773261,"noise_level":-27.200872,"freq_skew":2.397008,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":589,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[45,36,245,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733395,"usec":435509},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.068294,"noise_level":-26.623480,"freq_skew":0.279794,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-2.500000},"alt":19000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733396,"usec":188838},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.818102,"noise_level":-27.026093,"freq_skew":0.421690,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733396,"usec":190393},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.862489,"noise_level":-26.948423,"freq_skew":0.377755,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"IB0620","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733396,"usec":190632},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.100355,"noise_level":-26.929115,"freq_skew":2.279910,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5541,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[132,44]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733396,"usec":191596},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.312883,"noise_level":-26.890625,"freq_skew":0.274237,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15060216","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,96,142,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733396,"usec":963373},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.157807,"noise_level":-26.514828,"freq_skew":0.665904,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733396,"usec":968054},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.078746,"noise_level":-26.368946,"freq_skew":0.346280,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"IB0620","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733396,"usec":970156},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.702247,"noise_level":-26.278999,"freq_skew":0.694897,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15060216","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733397,"usec":712784},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522540,"noise_level":-26.728313,"freq_skew":-2.215539,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733397,"usec":714937},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.628641,"noise_level":-26.653252,"freq_skew":-1.406507,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[112,153,114,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733397,"usec":716564},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691170,"noise_level":-27.147282,"freq_skew":0.426309,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733397,"usec":718296},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.376835,"noise_level":-27.048950,"freq_skew":0.555829,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"_d","blk_id":"Y","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733398,"usec":479230},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.760851,"noise_level":-26.779400,"freq_skew":1.652365,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[91,26]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733399,"usec":242462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472301,"noise_level":-26.536377,"freq_skew":0.390576,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733399,"usec":242920},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.048169,"noise_level":-26.517962,"freq_skew":0.166777,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":124,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733399,"usec":243343},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796503,"noise_level":-26.499584,"freq_skew":0.863158,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":635,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43215,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[166,156,101,174]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733399,"usec":999325},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.443248,"noise_level":-26.000223,"freq_skew":0.705397,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733399,"usec":999738},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.675382,"noise_level":-26.669291,"freq_skew":0.126987,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733402,"usec":284286},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.776299,"noise_level":-25.655603,"freq_skew":3.353765,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"8S","blk_id":"2","ack":"!","flight":"U245GK","msg_num":"M87","msg_num_seq":"A","msg_text":"EGPF,2240,N,N,N,2,2,2\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733403,"usec":47524},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551691,"noise_level":-25.169735,"freq_skew":-2.527325,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":679,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1492,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,195,26,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733403,"usec":810145},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.272635,"noise_level":-24.921305,"freq_skew":1.717880,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":617,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[149,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733403,"usec":811207},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.115906,"noise_level":-24.860291,"freq_skew":3.430777,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733403,"usec":812305},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826324,"noise_level":-24.799706,"freq_skew":2.676978,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":793,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,85,195,34]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733403,"usec":813784},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.058363,"noise_level":-24.754541,"freq_skew":-1.549631,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":3}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.800000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733403,"usec":817731},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350157,"noise_level":-24.620438,"freq_skew":0.249024,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":385,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733405,"usec":335793},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275598,"noise_level":-24.020632,"freq_skew":0.352121,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"IB0620","msg_num":"D10","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,020493,1,1,TB000000/REP033,00,00,1/                                           "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733406,"usec":92718},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.326278,"noise_level":-23.883724,"freq_skew":1.685876,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733406,"usec":92989},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666524,"noise_level":-23.870152,"freq_skew":0.595138,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733406,"usec":95582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.133772,"noise_level":-23.748941,"freq_skew":0.455260,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733406,"usec":858162},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.237610,"noise_level":-23.511482,"freq_skew":2.544422,"avlc":{"src":{"addr":"406444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733406,"usec":858382},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.537574,"noise_level":-23.498478,"freq_skew":0.455278,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"_d","blk_id":"Z","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733406,"usec":860660},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.845072,"noise_level":-23.395142,"freq_skew":2.141145,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"PC1561","msg_num":"M99","msg_num_seq":"A","msg_text":"PC1561/28JUL25 20:10:00,37010,2108, 120,N 40.170 W  3.917"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733407,"usec":622118},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.848263,"noise_level":-24.185564,"freq_skew":2.392283,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"EC45FP","msg_num":"M42","msg_num_seq":"A","msg_text":"201000,38978,2059,33,N 42.513 W  2.589"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733407,"usec":627228},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.473047,"noise_level":-24.713539,"freq_skew":1.563509,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,83,65,83,0,74,203,65,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":863,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[2]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":75,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[63,6]},{"name":"atn_checksum","value":[137,101,184,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733408,"usec":384372},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672820,"noise_level":-24.333410,"freq_skew":2.669165,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"_d","blk_id":"3","ack":"J","flight":"U285XQ","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733408,"usec":384617},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.277625,"noise_level":-24.400578,"freq_skew":2.217281,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733408,"usec":386147},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465189,"noise_level":-24.357437,"freq_skew":1.465297,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43323,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[102,2,38,207]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733408,"usec":386147},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.465189,"noise_level":-24.357437,"freq_skew":1.465297,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43323,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[37,206,241,5]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4901697,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"SAS2802","long_tsap":{"rdp":[65,83,65,83,0],"short_tsap":{"ars":[74,203,65],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,83,65,83,0],"short_tsap":{"ars":[74,203,65],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"LPPT","destination_airport":"EKCH"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733409,"usec":144745},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349419,"noise_level":-24.646776,"freq_skew":1.904854,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":618,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[76,38]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733409,"usec":146526},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.397884,"noise_level":-24.558243,"freq_skew":1.979463,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2012,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733409,"usec":150995},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401196,"noise_level":-25.021328,"freq_skew":2.413409,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":534,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[77,135,174,176]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733409,"usec":151091},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.307451,"noise_level":-25.992043,"freq_skew":2.628187,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733409,"usec":904129},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.184471,"noise_level":-25.837591,"freq_skew":0.669960,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32504,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[55,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733409,"usec":904620},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.582447,"noise_level":-25.803638,"freq_skew":0.687467,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"_d","blk_id":"Z","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733410,"usec":666356},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.062916,"noise_level":-25.471210,"freq_skew":1.778987,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733410,"usec":668677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459384,"noise_level":-25.341721,"freq_skew":0.331473,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733410,"usec":669049},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.213506,"noise_level":-25.325670,"freq_skew":0.957532,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1734,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30643,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[90,157]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733410,"usec":678770},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.479066,"noise_level":-25.967537,"freq_skew":-0.223081,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":670,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[232,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733411,"usec":432101},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209478,"noise_level":-25.847504,"freq_skew":1.275066,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[36,192,128,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733411,"usec":433022},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.090725,"noise_level":-25.796566,"freq_skew":1.940975,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733411,"usec":433362},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542996,"noise_level":-25.779652,"freq_skew":0.550312,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733411,"usec":433929},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.126836,"noise_level":-25.745926,"freq_skew":1.438844,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6523,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[150,235]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733411,"usec":440624},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864048,"noise_level":-25.612309,"freq_skew":2.719211,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"_d","blk_id":"3","ack":"J","flight":"U285XQ","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733411,"usec":441672},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.475591,"noise_level":-25.579222,"freq_skew":1.538802,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1417,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[21,82]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733411,"usec":444793},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501873,"noise_level":-25.513428,"freq_skew":1.427725,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43323,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[102,2,38,207]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733412,"usec":184977},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.492307,"noise_level":-25.464405,"freq_skew":1.667080,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43323,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[37,206,241,5]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4901697,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"SAS2802","long_tsap":{"rdp":[65,83,65,83,0],"short_tsap":{"ars":[74,203,65],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,83,65,83,0],"short_tsap":{"ars":[74,203,65],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"LPPT","destination_airport":"EKCH"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733412,"usec":195214},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895183,"noise_level":-25.207529,"freq_skew":2.474975,"avlc":{"src":{"addr":"406444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733412,"usec":198684},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427833,"noise_level":-25.128788,"freq_skew":1.577907,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":867,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":75,"dst_ref":43323,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[8,68,145,146]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733413,"usec":712248},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.265222,"noise_level":-25.151587,"freq_skew":0.381730,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43146,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[15,57,92,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733413,"usec":712506},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.134564,"noise_level":-25.147469,"freq_skew":-1.495309,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":4}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.800000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733413,"usec":714384},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.615134,"noise_level":-25.348301,"freq_skew":3.336024,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":779,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[253,176,212,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733413,"usec":714843},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958396,"noise_level":-25.332239,"freq_skew":1.587462,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733414,"usec":484835},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.020479,"noise_level":-24.863653,"freq_skew":1.309523,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[36,192,128,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733415,"usec":232440},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.594900,"noise_level":-24.668198,"freq_skew":-0.155741,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":671,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[183,198]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733415,"usec":234317},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.327512,"noise_level":-24.905594,"freq_skew":0.443476,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18103,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":10,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[45,215,117,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733415,"usec":235745},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792689,"noise_level":-25.653763,"freq_skew":0.210045,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[72,120,173,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733415,"usec":239205},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.089330,"noise_level":-25.505159,"freq_skew":1.861827,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":618,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[76,38]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733415,"usec":999016},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355087,"noise_level":-25.423683,"freq_skew":0.978872,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":764,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60785,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[191,137,14,231]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733416,"usec":425},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291149,"noise_level":-25.342970,"freq_skew":0.815098,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":765,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60785,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[146,87,18,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733416,"usec":3269},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.108012,"noise_level":-25.183754,"freq_skew":0.634997,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733416,"usec":4694},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.318684,"noise_level":-25.167992,"freq_skew":1.544092,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6524,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[77,139]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733416,"usec":759011},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.645587,"noise_level":-26.021950,"freq_skew":-0.404195,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":721,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[106,14,109,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733416,"usec":764704},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331353,"noise_level":-26.236429,"freq_skew":-0.957783,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[228,196,73,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733416,"usec":766031},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475940,"noise_level":-26.165485,"freq_skew":0.726731,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18106,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[83,125,93,48]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":16}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"MAINTAIN [speed] OR LESS","choice":"uM109Speed","data":{"speed":{"choice":"speedMach","data":{"mach":{"val":0.770000,"unit":""}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733417,"usec":518650},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352861,"noise_level":-26.442202,"freq_skew":-2.833544,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KUB","mode":"2","label":"_d","blk_id":"1","ack":"F","flight":"IB0450","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733417,"usec":519837},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720193,"noise_level":-26.369562,"freq_skew":0.825132,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":897,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43058,"credit":4,"rseq":15,"variable_part_params":[{"name":"atn_checksum","value":[213,124,67,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733417,"usec":523583},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.795536,"noise_level":-26.172878,"freq_skew":-1.947631,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[63,112,57,216]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43126,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[219,36,58,134]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733417,"usec":524029},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.128849,"noise_level":-27.178307,"freq_skew":3.065339,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4078,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[147,18]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733417,"usec":525792},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.116784,"noise_level":-27.079624,"freq_skew":-2.780999,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KUB","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"IB0450","msg_num":"F31","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733418,"usec":281047},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.346421,"noise_level":-26.982050,"freq_skew":0.689452,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18107,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[172,40,19,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733418,"usec":288320},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.967455,"noise_level":-26.602364,"freq_skew":-1.843442,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733420,"usec":568910},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.742462,"noise_level":-25.553757,"freq_skew":-0.626814,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":721,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[106,14,109,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733420,"usec":570258},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.762302,"noise_level":-26.386869,"freq_skew":0.777148,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":897,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43058,"credit":4,"rseq":15,"variable_part_params":[{"name":"atn_checksum","value":[213,124,67,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733420,"usec":570663},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.221088,"noise_level":-26.368769,"freq_skew":-2.158279,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":876,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60953,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[30,161,3,236]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733420,"usec":571208},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212269,"noise_level":-26.566814,"freq_skew":-2.016055,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":877,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60953,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[220,156,73,63]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733421,"usec":337786},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.141459,"noise_level":-26.116219,"freq_skew":-1.907010,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":876,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60953,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[30,161,3,236]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733421,"usec":338947},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.256193,"noise_level":-26.098671,"freq_skew":0.190790,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":387,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1497,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[48,116,21,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733422,"usec":88569},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720252,"noise_level":-25.738152,"freq_skew":-1.125640,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":710,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[128,218,127,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733422,"usec":91147},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628939,"noise_level":-25.654472,"freq_skew":-2.881677,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KUB","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"IB0450","msg_num":"F32","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN40407W002561,N40413W002559,201015,142,N40257W003033,201316,RUDBI,P03,33917,78/TS201015,07282537D5"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733422,"usec":95497},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.127127,"noise_level":-26.115915,"freq_skew":0.659861,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733422,"usec":856374},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.981099,"noise_level":-25.839346,"freq_skew":-0.147273,"avlc":{"src":{"addr":"347387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":408,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43171,"credit":4,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[208,79,36,230]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733422,"usec":858431},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.175685,"noise_level":-25.721062,"freq_skew":-1.288821,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733423,"usec":622152},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601495,"noise_level":-25.456598,"freq_skew":1.564841,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"GMAD"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["129F1A","1298AA","11989A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733424,"usec":384352},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706636,"noise_level":-24.950666,"freq_skew":-1.994516,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43126,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[16,165,97,239]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":22}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733424,"usec":387467},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.812623,"noise_level":-25.367775,"freq_skew":1.657868,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124325","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,213,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733425,"usec":142323},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.419959,"noise_level":-25.192301,"freq_skew":0.609096,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18114,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[2,244,69,103]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733425,"usec":143575},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352019,"noise_level":-25.129364,"freq_skew":1.634866,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENJ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR02SM","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733425,"usec":144025},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509685,"noise_level":-25.113699,"freq_skew":0.615268,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18116,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":69,"credit":10,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[104,230,35,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733425,"usec":144318},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991851,"noise_level":-25.960140,"freq_skew":-2.790232,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733425,"usec":144569},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606997,"noise_level":-25.942905,"freq_skew":-2.879688,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KUB","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"IB0450","msg_num":"F32","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN40407W002561,N40413W002559,201015,142,N40257W003033,201316,RUDBI,P03,33917,78/TS201015,07282537D5"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733425,"usec":144836},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.745944,"noise_level":-25.925705,"freq_skew":0.590523,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18117,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[25,197]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFRR","facility_name":"BREST","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":131.280000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733425,"usec":144980},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.300004,"noise_level":-25.925705,"freq_skew":-0.653605,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":554,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,72,226,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733425,"usec":905153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977758,"noise_level":-26.560310,"freq_skew":1.613674,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733425,"usec":905880},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.968999,"noise_level":-26.523418,"freq_skew":0.883052,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1735,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43082,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[34,174]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733426,"usec":667541},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.931386,"noise_level":-26.251604,"freq_skew":1.046942,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1736,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43082,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[127,0]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733426,"usec":668992},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.105833,"noise_level":-26.162857,"freq_skew":0.584057,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733426,"usec":670916},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446823,"noise_level":-26.075010,"freq_skew":1.818619,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733426,"usec":671706},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.281938,"noise_level":-26.040117,"freq_skew":0.495484,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18119,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8,"credit":10,"rseq":9,"variable_part_params":[{"name":"checksum","value":[59,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733427,"usec":425337},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.829925,"noise_level":-25.765913,"freq_skew":1.144711,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-6.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733427,"usec":427424},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584922,"noise_level":-26.160316,"freq_skew":-1.863158,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43126,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[16,165,97,239]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":22}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733427,"usec":428152},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477088,"noise_level":-27.105385,"freq_skew":0.674722,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18116,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":69,"credit":10,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[104,230,35,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733427,"usec":428286},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.173262,"noise_level":-27.105385,"freq_skew":1.157862,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"EC92VK","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733427,"usec":429540},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556289,"noise_level":-27.085722,"freq_skew":0.406619,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCXO"},{"name":"ac_location","value":{"loc":{"lat":39.000000,"lon":-7.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733427,"usec":432247},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378026,"noise_level":-27.046532,"freq_skew":0.451062,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18114,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[2,244,69,103]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733427,"usec":432790},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736160,"noise_level":-27.402880,"freq_skew":0.445452,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18118,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[245,158,8,180]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":10,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733427,"usec":435168},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.821079,"noise_level":-27.362240,"freq_skew":1.074785,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,177,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733427,"usec":435666},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460349,"noise_level":-27.341988,"freq_skew":1.775547,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"5Y","blk_id":"2","ack":"!","flight":"TP1366","msg_num":"M14","msg_num_seq":"A","msg_text":"---2201  51N 411655,W  55718,33998,  392500,MS43,312, 50,229,201024,11400"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733427,"usec":436110},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.179705,"noise_level":-27.341988,"freq_skew":1.070970,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733428,"usec":190761},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823121,"noise_level":-28.012558,"freq_skew":1.346184,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":713,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[140,16,78,173]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733428,"usec":190946},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403551,"noise_level":-28.012558,"freq_skew":0.270269,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43142,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[217,2,86,195]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733428,"usec":193669},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623755,"noise_level":-28.333567,"freq_skew":-2.854499,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KUB","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"IB0450","msg_num":"F32","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN40407W002561,N40413W002559,201015,142,N40257W003033,201316,RUDBI,P03,33917,78/TS201015,07282537D5"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733428,"usec":197249},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.685759,"noise_level":-28.288342,"freq_skew":-1.818602,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733428,"usec":199833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.277309,"noise_level":-28.220938,"freq_skew":0.626538,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733428,"usec":951668},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.207604,"noise_level":-28.087683,"freq_skew":1.270513,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733428,"usec":952379},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.396628,"noise_level":-28.430294,"freq_skew":0.584276,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733428,"usec":952522},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.082555,"noise_level":-28.430294,"freq_skew":-1.754777,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[148,61,107,131]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733428,"usec":952766},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103390,"noise_level":-29.292822,"freq_skew":0.599595,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733429,"usec":709130},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310711,"noise_level":-28.848627,"freq_skew":-2.615868,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-2.900000},"alt":13000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733429,"usec":710288},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.330537,"noise_level":-28.776752,"freq_skew":1.677387,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733429,"usec":710364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.728525,"noise_level":-28.752928,"freq_skew":0.485148,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733429,"usec":711068},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.157036,"noise_level":-28.705471,"freq_skew":1.125137,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733430,"usec":471280},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764029,"noise_level":-28.199867,"freq_skew":3.609214,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-3.600000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733430,"usec":472471},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480697,"noise_level":-28.225941,"freq_skew":0.247017,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733430,"usec":474155},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713985,"noise_level":-28.114691,"freq_skew":0.293975,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[9,220,134,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733430,"usec":474483},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.304416,"noise_level":-28.092611,"freq_skew":-2.680128,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733430,"usec":475000},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066463,"noise_level":-28.070585,"freq_skew":3.611213,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"U245GK","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733430,"usec":475000},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.066463,"noise_level":-28.070585,"freq_skew":3.611213,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20060027","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,96,23,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733431,"usec":237390},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.669490,"noise_level":-28.779840,"freq_skew":0.580022,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733431,"usec":237796},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.992550,"noise_level":-28.756006,"freq_skew":-1.275328,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":5}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.800000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733431,"usec":239986},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.102324,"noise_level":-28.805552,"freq_skew":-2.671081,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733431,"usec":241251},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.121837,"noise_level":-28.710323,"freq_skew":1.964082,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1509,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[246,246,86,18]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1509,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[205,206,134,141]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733431,"usec":242936},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542765,"noise_level":-28.639582,"freq_skew":0.662680,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[46,53,17,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733431,"usec":243608},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.137888,"noise_level":-28.774817,"freq_skew":-1.767953,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-0.600000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733431,"usec":244072},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.356852,"noise_level":-28.774817,"freq_skew":-2.551499,"avlc":{"src":{"addr":"34324E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733431,"usec":245553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499267,"noise_level":-28.703548,"freq_skew":3.634845,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733432,"usec":3053},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.638951,"noise_level":-29.202394,"freq_skew":0.444442,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":481,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43160,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[1,76,124,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733432,"usec":4054},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.978677,"noise_level":-29.687996,"freq_skew":-1.929571,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWK","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH08XJ","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733432,"usec":4205},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754643,"noise_level":-29.661537,"freq_skew":-1.954455,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17053353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,86,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733432,"usec":758998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.133821,"noise_level":-29.411110,"freq_skew":3.425192,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733432,"usec":762400},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643554,"noise_level":-29.158163,"freq_skew":-1.773831,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733432,"usec":764957},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.770238,"noise_level":-28.936644,"freq_skew":1.863284,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733433,"usec":525973},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.045465,"noise_level":-28.649809,"freq_skew":1.067409,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":766,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733433,"usec":532813},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417602,"noise_level":-28.304089,"freq_skew":0.703671,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18128,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[29,193,216,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733433,"usec":533856},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.553641,"noise_level":-28.494322,"freq_skew":0.329241,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":102,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[106,208,157,236]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733434,"usec":294159},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.163920,"noise_level":-27.978725,"freq_skew":0.578645,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733435,"usec":46109},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.597944,"noise_level":-27.849106,"freq_skew":0.310379,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":481,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43160,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[1,76,124,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733435,"usec":50965},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.075469,"noise_level":-27.512629,"freq_skew":0.335888,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCXO"},{"name":"ac_location","value":{"loc":{"lat":39.000000,"lon":-7.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733435,"usec":53683},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.206745,"noise_level":-27.450964,"freq_skew":0.449256,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733436,"usec":574347},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954837,"noise_level":-26.630705,"freq_skew":0.938447,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[232,245,0,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733437,"usec":334396},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574931,"noise_level":-26.283646,"freq_skew":-0.500226,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":722,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43221,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[64,230,62,43]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733437,"usec":335066},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.903787,"noise_level":-26.247906,"freq_skew":0.946099,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1737,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43082,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[103,164]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733437,"usec":338986},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.460359,"noise_level":-26.053928,"freq_skew":0.711154,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8,"credit":10,"rseq":10,"variable_part_params":[{"name":"checksum","value":[55,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733437,"usec":340965},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914558,"noise_level":-26.001768,"freq_skew":1.150363,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1738,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30643,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[102,118]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":35}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733437,"usec":341519},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.734382,"noise_level":-26.627275,"freq_skew":0.597219,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18134,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43082,"dst_ref":8,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[38,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":92939},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.188846,"noise_level":-26.424736,"freq_skew":0.487025,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,127,133,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":93611},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.434583,"noise_level":-26.388414,"freq_skew":0.505059,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":15,"rseq":1,"variable_part_params":[{"name":"checksum","value":[51,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":95475},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.447797,"noise_level":-27.060318,"freq_skew":0.694067,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32547,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[113,74]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":96442},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.901659,"noise_level":-27.040758,"freq_skew":0.325352,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,48,22,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":97405},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.039967,"noise_level":-27.001772,"freq_skew":-0.528605,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":99252},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715159,"noise_level":-27.718895,"freq_skew":1.689749,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":619,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":864419},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.453163,"noise_level":-27.469040,"freq_skew":0.793330,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,65,97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":864941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757385,"noise_level":-27.469040,"freq_skew":0.572576,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":866163},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.159420,"noise_level":-27.428089,"freq_skew":0.678169,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8,"credit":10,"rseq":10,"variable_part_params":[{"name":"checksum","value":[55,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":869251},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378907,"noise_level":-27.387329,"freq_skew":0.569349,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18134,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43082,"dst_ref":8,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[38,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":870661},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.602518,"noise_level":-27.346756,"freq_skew":-1.831780,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733438,"usec":871253},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176213,"noise_level":-27.326544,"freq_skew":1.105864,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":714,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733439,"usec":619995},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.254805,"noise_level":-27.241533,"freq_skew":0.659585,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733439,"usec":621528},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.599203,"noise_level":-27.142134,"freq_skew":0.893908,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733440,"usec":381440},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.626791,"noise_level":-26.736652,"freq_skew":0.541380,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[128,14,100,92]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733440,"usec":383691},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.239706,"noise_level":-26.749659,"freq_skew":0.547790,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733440,"usec":384176},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757597,"noise_level":-26.711956,"freq_skew":1.098593,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":8,"dst_ref":43082,"variable_part_params":[{"name":"checksum","value":[222,150]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733440,"usec":385903},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.154103,"noise_level":-26.618404,"freq_skew":0.629527,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733440,"usec":386570},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640977,"noise_level":-27.228271,"freq_skew":0.561275,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[218,191,104,121]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733441,"usec":142295},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.797975,"noise_level":-27.089638,"freq_skew":0.910661,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30643,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[108,55]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733441,"usec":146355},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.246545,"noise_level":-26.876163,"freq_skew":0.824309,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733441,"usec":146675},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.888469,"noise_level":-27.515472,"freq_skew":0.625557,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[4,158]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFRR,BREST,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733441,"usec":147692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.328462,"noise_level":-27.433327,"freq_skew":0.625027,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733441,"usec":907426},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.936944,"noise_level":-27.271324,"freq_skew":1.357207,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":625,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733442,"usec":659260},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.982623,"noise_level":-26.840794,"freq_skew":-1.251781,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[237,243,18,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733443,"usec":433315},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706169,"noise_level":-26.108822,"freq_skew":2.637966,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":331,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[78,30,34,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733443,"usec":435739},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.082901,"noise_level":-26.073795,"freq_skew":0.455492,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCXO"},{"name":"ac_location","value":{"loc":{"lat":39.000000,"lon":-7.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733444,"usec":194154},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.101400,"noise_level":-25.952297,"freq_skew":-1.467383,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.600000},"alt":39000}},{"name":"alternate_ground_stations","value":["11928A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733444,"usec":197380},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.529731,"noise_level":-25.798542,"freq_skew":0.296033,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OFZ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"VY06DL","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733444,"usec":197380},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.529731,"noise_level":-25.798542,"freq_skew":0.296033,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15073220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,118,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733444,"usec":197760},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.009861,"noise_level":-25.798542,"freq_skew":1.000812,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30643,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[108,55]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733444,"usec":200301},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228762,"noise_level":-26.622234,"freq_skew":1.486818,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733444,"usec":949882},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446213,"noise_level":-26.456264,"freq_skew":0.845749,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"5Y","blk_id":"7","ack":"!","flight":"TP05AS","msg_num":"M72","msg_num_seq":"A","msg_text":"---2132  70N 431709,W  15349,35031,  457625,MS45,314, 35,267,201042,15560"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733444,"usec":951418},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.333326,"noise_level":-26.383511,"freq_skew":0.524737,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733444,"usec":953325},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.771907,"noise_level":-26.329338,"freq_skew":0.522814,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[4,158]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFRR,BREST,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733444,"usec":959035},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657689,"noise_level":-26.795376,"freq_skew":2.576797,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":590,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[70,196,174,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733445,"usec":713124},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759838,"noise_level":-26.795376,"freq_skew":0.360295,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733445,"usec":716783},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722192,"noise_level":-26.607494,"freq_skew":0.707872,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[116,122,9,111]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":133.850000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733445,"usec":718116},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518695,"noise_level":-26.683989,"freq_skew":0.970453,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1741,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30643,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[104,58]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733446,"usec":477074},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.853600,"noise_level":-26.352863,"freq_skew":1.112719,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30643,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[2,241]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733446,"usec":477764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.206554,"noise_level":-26.334835,"freq_skew":0.598523,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733446,"usec":477962},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.136065,"noise_level":-26.534637,"freq_skew":0.316881,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733446,"usec":481323},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.026185,"noise_level":-26.406570,"freq_skew":0.372473,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":103,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[176,37,170,239]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43188,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[135,249,220,39]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733446,"usec":482012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511698,"noise_level":-27.192402,"freq_skew":0.761012,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733446,"usec":484839},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.293534,"noise_level":-27.034790,"freq_skew":0.557665,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32573,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[47,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733447,"usec":236692},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.712322,"noise_level":-26.957045,"freq_skew":0.552025,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18148,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[114,142,11,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733447,"usec":239635},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696737,"noise_level":-26.860830,"freq_skew":0.452893,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":48359,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733448,"usec":1737},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.564123,"noise_level":-26.467983,"freq_skew":1.256290,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733448,"usec":2192},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.674587,"noise_level":-26.449711,"freq_skew":0.829880,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733448,"usec":8281},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.906843,"noise_level":-26.180161,"freq_skew":0.943015,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":409,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,92,22,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733448,"usec":763375},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.074503,"noise_level":-25.970385,"freq_skew":1.896399,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733448,"usec":766631},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.116021,"noise_level":-25.850315,"freq_skew":0.833546,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":532,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[217,188,227,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733449,"usec":531088},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.431988,"noise_level":-25.499754,"freq_skew":0.509139,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[9,133,13,226]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733449,"usec":532895},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.619233,"noise_level":-26.071175,"freq_skew":0.582898,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18148,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[114,142,11,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733449,"usec":533384},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408523,"noise_level":-26.071175,"freq_skew":0.330176,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":103,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[176,37,170,239]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43188,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[135,249,220,39]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733449,"usec":535812},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.833668,"noise_level":-26.699547,"freq_skew":0.837590,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":636,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43215,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[46,96,199,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733450,"usec":288918},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.122773,"noise_level":-26.422253,"freq_skew":0.472915,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733450,"usec":289910},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677702,"noise_level":-26.385941,"freq_skew":-1.950231,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":275,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733450,"usec":290442},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.496807,"noise_level":-26.367840,"freq_skew":0.372500,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733450,"usec":292240},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.194067,"noise_level":-26.277906,"freq_skew":0.467151,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733451,"usec":51379},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.258841,"noise_level":-25.961636,"freq_skew":0.632285,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733451,"usec":811750},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785318,"noise_level":-25.524218,"freq_skew":0.327551,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":104,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43188,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[192,156,121,27]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733451,"usec":818556},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275614,"noise_level":-26.476805,"freq_skew":0.940389,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":409,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,92,22,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733451,"usec":822172},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.503016,"noise_level":-26.422050,"freq_skew":0.728496,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[199,91,61,48]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733452,"usec":577049},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331814,"noise_level":-25.978714,"freq_skew":0.245391,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733452,"usec":578352},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.941875,"noise_level":-25.961441,"freq_skew":0.487292,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[162,192,203,173]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":10,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733453,"usec":329138},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.628724,"noise_level":-25.892698,"freq_skew":0.686956,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52232,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733453,"usec":332082},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547265,"noise_level":-25.773689,"freq_skew":1.526970,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":746,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733453,"usec":334619},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.876316,"noise_level":-26.538935,"freq_skew":-1.379081,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.600000},"alt":39000}},{"name":"alternate_ground_stations","value":["11928A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733453,"usec":337061},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.088143,"noise_level":-26.465485,"freq_skew":0.146838,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":97108},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.000152,"noise_level":-26.411674,"freq_skew":0.563503,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":98154},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.229672,"noise_level":-26.357327,"freq_skew":0.677003,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":98839},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.519699,"noise_level":-26.321285,"freq_skew":0.135237,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":105,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[6,241,220,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":99737},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.202623,"noise_level":-26.285391,"freq_skew":1.204993,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":719,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[72,44,67,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":101959},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511065,"noise_level":-26.214046,"freq_skew":-1.401555,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LO05JL","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":106511},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.780334,"noise_level":-26.894730,"freq_skew":1.167847,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":778,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[211,185,60,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":852036},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.177847,"noise_level":-26.818220,"freq_skew":0.443711,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":852199},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142389,"noise_level":-26.818220,"freq_skew":0.635181,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":854492},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.837589,"noise_level":-27.128819,"freq_skew":0.581788,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":859153},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.067177,"noise_level":-27.561642,"freq_skew":-1.566344,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"LO05JL","msg_num":"S02","msg_num_seq":"A","msg_text":"0E22010542S/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":20,"min":10,"sec":54}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733454,"usec":861033},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914252,"noise_level":-27.458532,"freq_skew":-1.315781,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":741,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733455,"usec":616867},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.562679,"noise_level":-27.438057,"freq_skew":-2.586508,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.200001,"lon":-7.700000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733455,"usec":618525},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695899,"noise_level":-27.356634,"freq_skew":0.592630,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733456,"usec":394330},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.907706,"noise_level":-26.489649,"freq_skew":0.988116,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":779,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23071,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[209,37,250,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733457,"usec":137637},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475839,"noise_level":-27.261784,"freq_skew":-1.492702,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733457,"usec":141024},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.844576,"noise_level":-27.083263,"freq_skew":0.576617,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":48599,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733457,"usec":142126},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.668072,"noise_level":-27.063654,"freq_skew":0.809714,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733457,"usec":142582},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954685,"noise_level":-27.044086,"freq_skew":0.571482,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733457,"usec":144025},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.707614,"noise_level":-27.005085,"freq_skew":2.726748,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":794,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[246,75,79,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733457,"usec":906519},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.315107,"noise_level":-26.680460,"freq_skew":-1.787511,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733457,"usec":908234},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.261746,"noise_level":-26.851007,"freq_skew":-1.447002,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.600000},"alt":39000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733457,"usec":908234},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.261746,"noise_level":-26.851007,"freq_skew":-1.447002,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LO05JL","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733457,"usec":911958},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904901,"noise_level":-26.718225,"freq_skew":-2.034689,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":567,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[18,179,71,63]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733458,"usec":664204},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692863,"noise_level":-27.116661,"freq_skew":0.510644,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733458,"usec":673364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.185102,"noise_level":-26.712341,"freq_skew":0.711436,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733460,"usec":191674},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.674354,"noise_level":-26.112720,"freq_skew":0.368383,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2890,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733461,"usec":722352},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898647,"noise_level":-25.056019,"freq_skew":-1.539300,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LO05JL","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733461,"usec":722995},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.244579,"noise_level":-25.056019,"freq_skew":1.462701,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[116,27,107,80]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733462,"usec":481655},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.146909,"noise_level":-25.276548,"freq_skew":0.516083,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733462,"usec":490170},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438809,"noise_level":-25.413013,"freq_skew":0.618455,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733464,"usec":381},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.471111,"noise_level":-24.909542,"freq_skew":-1.439369,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733464,"usec":1556},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090433,"noise_level":-24.863804,"freq_skew":0.364037,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":744,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,111,71,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733464,"usec":2071},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.276843,"noise_level":-24.848612,"freq_skew":-1.379458,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733464,"usec":8559},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557745,"noise_level":-24.623854,"freq_skew":3.266874,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":780,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[113,211,54,161]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733464,"usec":762839},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.776324,"noise_level":-24.462652,"freq_skew":0.471964,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[2,52,137,190]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733464,"usec":768416},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.099644,"noise_level":-25.056267,"freq_skew":-1.321574,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":430,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[38,161,55,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733465,"usec":519565},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343380,"noise_level":-24.994301,"freq_skew":1.853283,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":259,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[58,172,5,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733465,"usec":524751},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.860674,"noise_level":-24.871683,"freq_skew":0.351824,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":43.799999,"lon":-4.200000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733465,"usec":526171},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.875216,"noise_level":-24.856476,"freq_skew":-0.860581,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":728,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":9,"ack":5,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733466,"usec":287284},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.217833,"noise_level":-25.598801,"freq_skew":0.738568,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733467,"usec":45665},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.316427,"noise_level":-25.258053,"freq_skew":0.611520,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[86,18,159,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733467,"usec":47156},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.137908,"noise_level":-25.194635,"freq_skew":1.976696,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2013,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[179,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733467,"usec":49766},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.893119,"noise_level":-27.128077,"freq_skew":3.457488,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"8D","blk_id":"4","ack":"!","flight":"U245GK","msg_num":"M88","msg_num_seq":"A","msg_text":"0003,04,----,---,----,---,0003,2240,LEMG,EGPF\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733467,"usec":53086},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.868759,"noise_level":-27.010469,"freq_skew":0.580818,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":898,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43058,"credit":4,"rseq":15,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[23,43,103,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733467,"usec":812401},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.479322,"noise_level":-27.225014,"freq_skew":1.679218,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[169,171,222,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733467,"usec":813683},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581215,"noise_level":-28.028725,"freq_skew":1.233398,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":166,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43270,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[65,6,84,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733468,"usec":572662},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788517,"noise_level":-27.919956,"freq_skew":0.568452,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2782,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[118,48,68,115]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733468,"usec":581147},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.693118,"noise_level":-28.386438,"freq_skew":2.329232,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":591,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733468,"usec":581692},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.702774,"noise_level":-28.363657,"freq_skew":1.059605,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-6.200000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733468,"usec":582121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.440902,"noise_level":-28.340935,"freq_skew":0.635353,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733469,"usec":333925},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.495689,"noise_level":-28.671629,"freq_skew":3.565179,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733469,"usec":335656},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.381899,"noise_level":-28.554564,"freq_skew":1.082418,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EC92VK","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733469,"usec":336354},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839248,"noise_level":-28.508175,"freq_skew":1.210694,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,177,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733469,"usec":336580},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695144,"noise_level":-28.508175,"freq_skew":0.389703,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733469,"usec":339085},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.281128,"noise_level":-29.064291,"freq_skew":0.533988,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[86,18,159,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733469,"usec":339936},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.902477,"noise_level":-29.617397,"freq_skew":0.547358,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":48920,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733470,"usec":94873},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.098822,"noise_level":-29.257011,"freq_skew":1.824828,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2014,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[106,218]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733470,"usec":95934},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.591547,"noise_level":-30.139675,"freq_skew":0.749301,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":637,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[232,165,193,252]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733470,"usec":96275},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594352,"noise_level":-30.159084,"freq_skew":0.442986,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":744,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,111,71,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733470,"usec":96542},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.580374,"noise_level":-30.131153,"freq_skew":1.002771,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[12,17,146,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733470,"usec":100894},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.990788,"noise_level":-30.020325,"freq_skew":1.123826,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":767,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[170,71,234,124]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733470,"usec":854165},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.075307,"noise_level":-29.776011,"freq_skew":0.953512,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733470,"usec":855993},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.104172,"noise_level":-29.836485,"freq_skew":0.482498,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733470,"usec":856799},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.207542,"noise_level":-29.782743,"freq_skew":-0.951802,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733471,"usec":624271},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.356202,"noise_level":-29.038675,"freq_skew":0.465648,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[170,94,160,160]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733471,"usec":628851},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.752489,"noise_level":-28.820145,"freq_skew":2.434152,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":591,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733471,"usec":629166},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109626,"noise_level":-28.818165,"freq_skew":-2.464560,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.200001,"lon":-7.700000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733472,"usec":381486},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.707148,"noise_level":-28.628466,"freq_skew":-1.203713,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":711,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[173,113,217,71]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733473,"usec":143140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.181346,"noise_level":-28.039083,"freq_skew":0.715795,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733473,"usec":147434},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.962487,"noise_level":-27.812269,"freq_skew":0.517116,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":43.799999,"lon":-4.200000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733473,"usec":147696},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.248049,"noise_level":-28.246449,"freq_skew":1.200550,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":767,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[170,71,234,124]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733473,"usec":911135},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011601,"noise_level":-27.723782,"freq_skew":0.395621,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":744,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,111,71,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733473,"usec":913046},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809889,"noise_level":-27.618742,"freq_skew":0.424575,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVI","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"EC49VX","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733473,"usec":913625},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.903432,"noise_level":-27.597887,"freq_skew":0.448619,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000200","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,128,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733474,"usec":670375},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.120828,"noise_level":-27.151279,"freq_skew":1.165618,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"5U","blk_id":"9","ack":"!","flight":"EI0887","msg_num":"M20","msg_num_seq":"A","msg_text":" \r\nFTLFRS,LEST,EICK,EINN"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733475,"usec":430490},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737897,"noise_level":-26.917021,"freq_skew":0.609427,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":899,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1499,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[91,159,3,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733475,"usec":431951},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.492593,"noise_level":-26.859428,"freq_skew":0.435033,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733475,"usec":435390},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.274465,"noise_level":-26.853935,"freq_skew":0.626954,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733476,"usec":190486},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.052131,"noise_level":-26.608849,"freq_skew":0.731927,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"H","ack":"9","msg_text":".GTWEIXA 282011\r\nAGM\r\nAN EI-DEK\r\n-  SA 28/20:05\r\nLFRS 282000Z AUTO 29004KT CAVOK 19/15\r\n  Q1022 NOSIG\r\nTAF 28/18:26\r\nLFRS 281824Z 2818/2924 30010KT 9999\r\n  BKN040 BECMG 2818/2820\r\n  CAVOK BECMG 2821/2823 02005KT PROB30\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733476,"usec":192222},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991647,"noise_level":-27.181946,"freq_skew":1.782944,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":455,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733476,"usec":197534},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.835807,"noise_level":-27.672415,"freq_skew":-0.219802,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":880,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[199,117,78,28]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733476,"usec":954056},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390018,"noise_level":-27.526571,"freq_skew":1.461264,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1418,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733477,"usec":708853},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486150,"noise_level":-27.005344,"freq_skew":1.646436,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"84","blk_id":"4","ack":"!","flight":"TP048M","msg_num":"M92","msg_num_seq":"A","msg_text":"BOA NOITE\r\nREPORTADO ETLB\r\nFWD LAV FLUSH INOP\r\nCABIN LOG CEILING LIGHT\r\nROW 4/5 INOP\r\nCMPTS\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733477,"usec":710514},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.015619,"noise_level":-26.927860,"freq_skew":1.040952,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EVN","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR14VB","msg_num":"M10","msg_num_seq":"A","msg_text":"201116,,2138, 138,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733478,"usec":479563},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.606233,"noise_level":-26.440393,"freq_skew":-0.204951,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":881,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[184,197,178,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733478,"usec":480650},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.353106,"noise_level":-26.385868,"freq_skew":0.158043,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733478,"usec":485233},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.984730,"noise_level":-26.206551,"freq_skew":0.573998,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"H","ack":"9","msg_text":".GTWEIXA 282011\r\nAGM\r\nAN EI-DEK\r\n-  SA 28/20:05\r\nLFRS 282000Z AUTO 29004KT CAVOK 19/15\r\n  Q1022 NOSIG\r\nTAF 28/18:26\r\nLFRS 281824Z 2818/2924 30010KT 9999\r\n  BKN040 BECMG 2818/2820\r\n  CAVOK BECMG 2821/2823 02005KT PROB30\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733479,"usec":242428},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.516002,"noise_level":-26.648064,"freq_skew":1.310158,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":594,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1527,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[99,77,221,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733479,"usec":999068},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511100,"noise_level":-26.336279,"freq_skew":1.275810,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733479,"usec":999298},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209213,"noise_level":-26.318281,"freq_skew":0.815862,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7217,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733480,"usec":2843},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574679,"noise_level":-26.193340,"freq_skew":0.612473,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32658,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[182,71,95,148]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733480,"usec":3029},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628430,"noise_level":-26.193340,"freq_skew":0.729285,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2783,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[172,233,10,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733480,"usec":5298},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656520,"noise_level":-26.313454,"freq_skew":0.706583,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2784,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[7,58,190,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733480,"usec":6261},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.711116,"noise_level":-26.387157,"freq_skew":1.858172,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733480,"usec":761079},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.154888,"noise_level":-26.137100,"freq_skew":0.702852,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733480,"usec":766624},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823766,"noise_level":-25.962793,"freq_skew":1.326341,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[174,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733481,"usec":525433},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.024553,"noise_level":-25.842829,"freq_skew":-1.985866,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"IB0591","msg_num":"D18","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,175904,1,1,TB000000/REP033,00,00,1/POSDMU,201110, 42.016,-  3.127,  5062,334\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733481,"usec":526096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.588523,"noise_level":-26.307819,"freq_skew":0.446732,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733481,"usec":526868},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.486743,"noise_level":-26.271980,"freq_skew":0.472817,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8276,"credit":15,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[9,32,146,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733481,"usec":527626},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.391200,"noise_level":-26.560627,"freq_skew":1.890657,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733481,"usec":530803},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.005139,"noise_level":-26.450407,"freq_skew":0.443798,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"H","ack":"9","msg_text":".GTWEIXA 282011\r\nAGM\r\nAN EI-DEK\r\n-  SA 28/20:05\r\nLFRS 282000Z AUTO 29004KT CAVOK 19/15\r\n  Q1022 NOSIG\r\nTAF 28/18:26\r\nLFRS 281824Z 2818/2924 30010KT 9999\r\n  BKN040 BECMG 2818/2820\r\n  CAVOK BECMG 2821/2823 02005KT PROB30\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733481,"usec":532720},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.619222,"noise_level":-26.359617,"freq_skew":-1.013186,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[79,17,42,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733482,"usec":286658},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.016614,"noise_level":-26.163158,"freq_skew":-2.618850,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDN","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH092N","msg_num":"M73","msg_num_seq":"A","msg_text":"00146209217P4U+1UCTT7-Y01,Y11VRPP2UUAV(DAJJYOLU+WWXHH+"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733482,"usec":288987},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219155,"noise_level":-26.057842,"freq_skew":-1.565537,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"49","blk_id":"5","ack":"!","flight":"LO05JL","msg_num":"M62","msg_num_seq":"A","msg_text":"01CLER    LOT5JL/282011LPPTEPWA\r\n+39973263.1- 20.8"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733482,"usec":289685},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.196922,"noise_level":-26.057842,"freq_skew":0.547415,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":45344},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.193509,"noise_level":-26.739857,"freq_skew":0.060455,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":281,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":46295},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.757583,"noise_level":-26.702196,"freq_skew":-2.098008,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":48470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.394724,"noise_level":-27.702785,"freq_skew":0.553811,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":49073},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.110961,"noise_level":-27.702785,"freq_skew":0.605254,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":50045},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.807620,"noise_level":-27.660721,"freq_skew":-0.235080,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":882,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[207,144,101,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":51604},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874850,"noise_level":-27.577192,"freq_skew":1.989010,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":583,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":53577},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109984,"noise_level":-27.473900,"freq_skew":0.740282,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":54688},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.376095,"noise_level":-27.432926,"freq_skew":0.629953,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2783,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[172,233,10,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":55478},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.680779,"noise_level":-27.392141,"freq_skew":0.617135,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2784,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[7,58,190,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":814758},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547451,"noise_level":-27.270929,"freq_skew":1.206851,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":453,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":814884},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488587,"noise_level":-27.270929,"freq_skew":0.606218,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":817664},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451634,"noise_level":-27.131622,"freq_skew":-2.536757,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733483,"usec":819207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.165372,"noise_level":-27.053009,"freq_skew":0.526324,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733484,"usec":579451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.468246,"noise_level":-27.087883,"freq_skew":2.554164,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733485,"usec":339257},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.715685,"noise_level":-26.408039,"freq_skew":-1.030990,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[79,17,42,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733485,"usec":339555},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.051205,"noise_level":-27.215454,"freq_skew":0.458931,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"H","ack":"9","msg_text":".GTWEIXA 282011\r\nAGM\r\nAN EI-DEK\r\n-  SA 28/20:05\r\nLFRS 282000Z AUTO 29004KT CAVOK 19/15\r\n  Q1022 NOSIG\r\nTAF 28/18:26\r\nLFRS 281824Z 2818/2924 30010KT 9999\r\n  BKN040 BECMG 2818/2820\r\n  CAVOK BECMG 2821/2823 02005KT PROB30\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":97297},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.784872,"noise_level":-27.096668,"freq_skew":1.164736,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"_d","blk_id":"0","ack":"H","flight":"EI0887","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":98840},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962618,"noise_level":-27.018368,"freq_skew":-2.503071,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.200001,"lon":-7.700000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":100392},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928218,"noise_level":-26.940767,"freq_skew":2.052243,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":101231},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.133005,"noise_level":-26.902227,"freq_skew":0.632349,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":104135},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.959792,"noise_level":-26.787621,"freq_skew":-2.694299,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDN","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH092N","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":104135},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.959792,"noise_level":-26.787621,"freq_skew":-2.694299,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062216","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,142,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":105159},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727275,"noise_level":-26.749748,"freq_skew":1.566014,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKE","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FRRUK7","msg_num":"M68","msg_num_seq":"A","msg_text":"201123,,2236, 201,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":861091},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.205486,"noise_level":-27.593088,"freq_skew":0.620429,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":863711},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.503163,"noise_level":-27.469059,"freq_skew":0.634161,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":866021},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.974183,"noise_level":-27.387348,"freq_skew":0.629121,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"I","ack":"!","msg_text":"  TEMPO 2906/2908 BKN012 BECMG\r\n  2908/2910 30010KT\r\nSA 28/20:08\r\nLEST 282000Z 05013KT 010V100 CAVOK 20/13\r\n  Q1024 NOSIG\r\nTAF 28/17:29\r\nLEST 281700Z 2818/2918 03009KT 9999\r\n  FEW015 TX27/2915Z\r\n  TN15/2906Z PROB40\r\n  TE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":867295},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.091696,"noise_level":-27.326563,"freq_skew":0.854715,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":533,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[232,185,68,20]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733486,"usec":868224},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.927842,"noise_level":-27.286274,"freq_skew":1.395025,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[101,18]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733488,"usec":379117},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.525158,"noise_level":-26.647167,"freq_skew":0.502354,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":49464,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733488,"usec":381374},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.723385,"noise_level":-26.535854,"freq_skew":0.069128,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":106,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733488,"usec":387409},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735007,"noise_level":-26.263657,"freq_skew":0.127630,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[9,235,230,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":145276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683207,"noise_level":-26.618118,"freq_skew":0.236318,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":145574},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.996711,"noise_level":-26.618118,"freq_skew":1.172666,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"_d","blk_id":"0","ack":"H","flight":"EI0887","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":145866},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.506099,"noise_level":-27.049316,"freq_skew":0.994586,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":146280},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640180,"noise_level":-27.029783,"freq_skew":0.682718,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":147795},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.748251,"noise_level":-26.952084,"freq_skew":1.361603,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":149687},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.762847,"noise_level":-26.875072,"freq_skew":0.556882,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":150090},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.040558,"noise_level":-26.855925,"freq_skew":-1.282872,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[79,17,42,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":153112},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011223,"noise_level":-26.760818,"freq_skew":0.486215,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"I","ack":"!","msg_text":"  TEMPO 2906/2908 BKN012 BECMG\r\n  2908/2910 30010KT\r\nSA 28/20:08\r\nLEST 282000Z 05013KT 010V100 CAVOK 20/13\r\n  Q1024 NOSIG\r\nTAF 28/17:29\r\nLEST 281700Z 2818/2918 03009KT 9999\r\n  FEW015 TX27/2915Z\r\n  TN15/2906Z PROB40\r\n  TE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":155669},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686114,"noise_level":-26.723064,"freq_skew":-0.616574,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":723,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43221,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,170,235,180]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":904724},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809733,"noise_level":-26.629395,"freq_skew":1.120807,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"_d","blk_id":"1","ack":"I","flight":"EI0887","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":906752},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179231,"noise_level":-27.284885,"freq_skew":0.554215,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":910760},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478720,"noise_level":-27.496113,"freq_skew":-2.599949,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-3.300000},"alt":10000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":911933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.466700,"noise_level":-27.455034,"freq_skew":-1.258178,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733489,"usec":914785},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256061,"noise_level":-27.393776,"freq_skew":0.524642,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733490,"usec":665551},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931041,"noise_level":-27.292631,"freq_skew":-2.525622,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062216","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,142,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733490,"usec":668972},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.985946,"noise_level":-27.113483,"freq_skew":1.333538,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-6.300000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733490,"usec":670429},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.867009,"noise_level":-27.054579,"freq_skew":0.521595,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733490,"usec":672429},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.974487,"noise_level":-27.539318,"freq_skew":0.738267,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"J","ack":"!","msg_text":"MPO 2818/2820 03015G27KT PROB40\r\n  TEMPO 2912/2918 03015G27KT\r\nSA 28/20:06\r\nEICK 282000Z 27007KT 9999 BKN011 BKN017\r\n  18/15 Q1023 NOSIG\r\nTAF 28/17:14\r\nEICK 281700Z 2818/2918 28009KT 9999\r\n  SCT015 BKN020 BECMG 2818/2820"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733491,"usec":426367},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.030327,"noise_level":-28.081770,"freq_skew":1.257777,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"EC92VK","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733491,"usec":426367},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.030327,"noise_level":-28.081770,"freq_skew":1.257777,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,177,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733491,"usec":427114},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.768355,"noise_level":-28.037834,"freq_skew":1.358761,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"EI0887","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733491,"usec":427863},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480567,"noise_level":-28.442877,"freq_skew":0.580191,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733491,"usec":428218},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.851602,"noise_level":-28.419949,"freq_skew":0.165116,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":106,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733491,"usec":428915},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158605,"noise_level":-28.397079,"freq_skew":-2.361131,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733491,"usec":436072},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.525244,"noise_level":-28.061077,"freq_skew":0.506936,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Y","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":186420},"freq":136975000,"burst_len_octets":267,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977648,"noise_level":-28.017244,"freq_skew":0.651980,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":186420},"freq":136975000,"burst_len_octets":267,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.977648,"noise_level":-28.017244,"freq_skew":0.651980,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"K","ack":"!","msg_text":"\r\n  BKN010 TEMPO 2819/2906 BKN006 PROB40\r\n  TEMPO 2820/2906 3000 -RADZ\r\n  BR BKN004 BECMG 2906/2908 32012KT\r\n  SCT010 BKN020 PROB40 TEMPO\r\n  2908/2912 BKN010\r\nSA 28/20:06\r\nEINN 282000Z 25009KT 2500 -DZ FEW003\r\n  BKN005 O"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":187075},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183054,"noise_level":-27.995411,"freq_skew":0.452708,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":188014},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.675351,"noise_level":-27.930233,"freq_skew":0.671156,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":49578,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":188215},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778133,"noise_level":-27.930233,"freq_skew":-1.243992,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":431,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":189954},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713560,"noise_level":-29.041874,"freq_skew":1.196173,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"_d","blk_id":"3","ack":"K","flight":"EI0887","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":192010},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.009661,"noise_level":-29.187679,"freq_skew":-0.901642,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":555,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":947569},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923604,"noise_level":-28.892574,"freq_skew":0.580185,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"L","ack":"!","msg_text":"VC008 17/16 Q1022\r\n  TEMPO 0800 FG BKN001\r\nTAF 28/17:14\r\nEINN 281700Z 2818/2918 26008KT 9999\r\n  BKN010 BECMG 2818/2820 4000\r\n  -RADZ BR BKN005 TEMPO 2819/2903 2000\r\n  RADZ BR BKN003 PROB30 TEMPO\r\n  2819/2822 0500 FG BKN0"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":949637},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.077359,"noise_level":-28.772511,"freq_skew":-2.404001,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":950353},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.506910,"noise_level":-28.724947,"freq_skew":-1.080093,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[79,17,42,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733492,"usec":955232},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.953785,"noise_level":-28.490959,"freq_skew":1.553031,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733493,"usec":715185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.099688,"noise_level":-28.285622,"freq_skew":1.590273,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733493,"usec":715689},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.457060,"noise_level":-28.285622,"freq_skew":0.621748,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733493,"usec":716154},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306401,"noise_level":-28.263103,"freq_skew":0.885019,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":43.100002,"lon":-1.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733494,"usec":479710},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567919,"noise_level":-27.910528,"freq_skew":1.003950,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJQ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"EC92GY","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733494,"usec":479710},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.567919,"noise_level":-27.910528,"freq_skew":1.003950,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21004074","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,8,60,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733494,"usec":480432},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491072,"noise_level":-27.867447,"freq_skew":0.523440,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733494,"usec":486426},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.885971,"noise_level":-27.571707,"freq_skew":1.872086,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[219,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733494,"usec":486716},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.143801,"noise_level":-28.730652,"freq_skew":0.596056,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"Y","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733494,"usec":486884},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954585,"noise_level":-28.730652,"freq_skew":0.603786,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":49578,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733494,"usec":487023},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.109534,"noise_level":-28.730652,"freq_skew":-2.220682,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":306,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733495,"usec":233889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.203240,"noise_level":-29.595013,"freq_skew":1.265299,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733495,"usec":234289},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.202639,"noise_level":-29.568836,"freq_skew":0.943133,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733495,"usec":241649},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.133999,"noise_level":-29.160404,"freq_skew":-2.218778,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[121,98,197,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733495,"usec":241900},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.076427,"noise_level":-29.160404,"freq_skew":0.579220,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733495,"usec":242184},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470586,"noise_level":-29.135504,"freq_skew":-0.815987,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733495,"usec":242556},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.856516,"noise_level":-29.135504,"freq_skew":0.488630,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"L","ack":"!","msg_text":"VC008 17/16 Q1022\r\n  TEMPO 0800 FG BKN001\r\nTAF 28/17:14\r\nEINN 281700Z 2818/2918 26008KT 9999\r\n  BKN010 BECMG 2818/2820 4000\r\n  -RADZ BR BKN005 TEMPO 2819/2903 2000\r\n  RADZ BR BKN003 PROB30 TEMPO\r\n  2819/2822 0500 FG BKN0"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733495,"usec":999676},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.950408,"noise_level":-29.085915,"freq_skew":1.406676,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"_d","blk_id":"3","ack":"K","flight":"EI0887","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733495,"usec":999790},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.374551,"noise_level":-29.085915,"freq_skew":0.135956,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733496,"usec":2221},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.861081,"noise_level":-28.914555,"freq_skew":1.384153,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"_d","blk_id":"4","ack":"L","flight":"EI0887","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733496,"usec":7706},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.086505,"noise_level":-28.605011,"freq_skew":0.643957,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733496,"usec":769806},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.050297,"noise_level":-28.523762,"freq_skew":0.547138,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"C1","blk_id":"M","ack":"!","msg_text":".GTWEIXA 282011\r\nAGM\r\nAN EI-DEK\r\n-  SA 28/20:05\r\nLFRS 282000Z AUTO 29004KT CAVOK 19/15\r\n  Q1022 NOSIG\r\nTAF 28/18:26\r\nLFRS 281824Z 2818/2924 30010KT 9999\r\n  BKN040 BECMG 2818/2820\r\n  CAVOK BECMG 2821/2823 02005KT PROB30\r\n  TEMPO 2906/2908 BKN012 BECMG\r\n  2908/2910 30010KT\r\nSA 28/20:08\r\nLEST 282000Z 05013KT 010V100 CAVOK 20/13\r\n  Q1024 NOSIG\r\nTAF 28/17:29\r\nLEST 281700Z 2818/2918 03009KT 9999\r\n  FEW015 TX27/2915Z\r\n  TN15/2906Z PROB40\r\n  TEMPO 2818/2820 03015G27KT PROB40\r\n  TEMPO 2912/2918 03015G27KT\r\nSA 28/20:06\r\nEICK 282000Z 27007KT 9999 BKN011 BKN017\r\n  18/15 Q1023 NOSIG\r\nTAF 28/17:14\r\nEICK 281700Z 2818/2918 28009KT 9999\r\n  SCT015 BKN020 BECMG 2818/2820\r\n  BKN010 TEMPO 2819/2906 BKN006 PROB40\r\n  TEMPO 2820/2906 3000 -RADZ\r\n  BR BKN004 BECMG 2906/2908 32012KT\r\n  SCT010 BKN020 PROB40 TEMPO\r\n  2908/2912 BKN010\r\nSA 28/20:06\r\nEINN 282000Z 25009KT 2500 -DZ FEW003\r\n  BKN005 OVC008 17/16 Q1022\r\n  TEMPO 0800 FG BKN001\r\nTAF 28/17:14\r\nEINN 281700Z 2818/2918 26008KT 9999\r\n  BKN010 BECMG 2818/2820 4000\r\n  -RADZ BR BKN005 TEMPO 2819/2903 2000\r\n  RADZ BR BKN003 PROB30 TEMPO\r\n  2819/2822 0500 FG BKN001 BECMG\r\n  2903/2905 30010KT 9999 NSW\r\n  BKN010 TEMPO 2905/2914 BKN008 BECMG\r\n  2914/2916 SCT010 BKN020\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733496,"usec":770294},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.750380,"noise_level":-28.500622,"freq_skew":-2.240558,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":568,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43100,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[22,78,224,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733496,"usec":771836},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.154782,"noise_level":-28.408659,"freq_skew":0.168831,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":376,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733496,"usec":771970},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524799,"noise_level":-28.408659,"freq_skew":1.217600,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"_d","blk_id":"5","ack":"M","flight":"EI0887","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733497,"usec":523119},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.325015,"noise_level":-27.984659,"freq_skew":-2.140028,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22916,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[56,104,172,52]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733497,"usec":523557},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.247663,"noise_level":-27.962906,"freq_skew":0.618392,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733497,"usec":524327},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.455768,"noise_level":-27.962906,"freq_skew":0.596084,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733497,"usec":524809},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494891,"noise_level":-27.962906,"freq_skew":1.840956,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":299,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733497,"usec":530448},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.411523,"noise_level":-27.706039,"freq_skew":-2.431973,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":680,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1492,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,195,26,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733498,"usec":288560},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.697540,"noise_level":-27.622074,"freq_skew":-1.083881,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733498,"usec":288698},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441761,"noise_level":-27.601212,"freq_skew":-2.644422,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-3.300000},"alt":10000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733498,"usec":294782},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.128417,"noise_level":-27.334440,"freq_skew":-2.722309,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"IB0657","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733498,"usec":295309},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183042,"noise_level":-27.314255,"freq_skew":-2.215712,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[121,98,197,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733498,"usec":297429},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209496,"noise_level":-27.909538,"freq_skew":-2.573345,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15011516","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,19,78,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733498,"usec":298480},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735348,"noise_level":-27.909538,"freq_skew":0.663601,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18208,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":1,"variable_part_params":[{"name":"checksum","value":[51,131]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733499,"usec":48060},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013031,"noise_level":-28.348289,"freq_skew":0.966678,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":410,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[208,182,76,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733499,"usec":57138},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.150984,"noise_level":-27.883991,"freq_skew":1.889151,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7339,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[146,186]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733499,"usec":57586},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-8.205509,"noise_level":-29.051998,"freq_skew":-1.980293,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733499,"usec":814636},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.762165,"noise_level":-28.690233,"freq_skew":-2.527781,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733499,"usec":816095},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.169842,"noise_level":-28.619654,"freq_skew":0.421074,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733499,"usec":818826},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484089,"noise_level":-28.470600,"freq_skew":2.527337,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":535,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733502,"usec":95979},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.244528,"noise_level":-27.288059,"freq_skew":0.747415,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":410,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[208,182,76,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733502,"usec":97452},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.669439,"noise_level":-27.208025,"freq_skew":2.515941,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733502,"usec":857300},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.113305,"noise_level":-26.667522,"freq_skew":-2.228619,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[121,98,197,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733503,"usec":624343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013139,"noise_level":-26.309721,"freq_skew":-2.672550,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733504,"usec":383066},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.769056,"noise_level":-26.149567,"freq_skew":-0.855311,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVA","mode":"2","label":"44","blk_id":"2","ack":"!","flight":"TP863Y","msg_num":"M86","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733504,"usec":388471},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.840131,"noise_level":-25.940517,"freq_skew":0.964178,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":534,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733504,"usec":390463},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.368965,"noise_level":-25.854877,"freq_skew":0.608007,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18214,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[16,184,57,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733504,"usec":390708},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.803217,"noise_level":-25.837852,"freq_skew":0.386776,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2891,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43222,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[130,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733504,"usec":391391},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.787961,"noise_level":-25.820858,"freq_skew":0.688244,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":49984,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733504,"usec":394911},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.115701,"noise_level":-25.797358,"freq_skew":1.831572,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7339,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[146,186]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733505,"usec":136320},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.534730,"noise_level":-26.510254,"freq_skew":-0.073153,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":891,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43246,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[6,44]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733505,"usec":136922},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.106691,"noise_level":-26.491894,"freq_skew":1.078904,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":780,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[161,70,214,35]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733505,"usec":137194},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713247,"noise_level":-26.473572,"freq_skew":1.212243,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":720,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[7,219,61,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733505,"usec":140386},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.787963,"noise_level":-26.346394,"freq_skew":1.254269,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":595,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733505,"usec":145362},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.227541,"noise_level":-26.185568,"freq_skew":0.646268,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733505,"usec":901795},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.386541,"noise_level":-26.115034,"freq_skew":0.627729,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733505,"usec":904194},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.110431,"noise_level":-26.010296,"freq_skew":0.658761,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733505,"usec":905431},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.827744,"noise_level":-26.337927,"freq_skew":0.335056,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733506,"usec":677714},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.227906,"noise_level":-25.980816,"freq_skew":1.148065,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":781,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23071,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[34,107,140,37]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733506,"usec":678269},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.309691,"noise_level":-25.963539,"freq_skew":1.679158,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733508,"usec":191872},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.295763,"noise_level":-26.048347,"freq_skew":-2.578334,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.200001,"lon":-7.900000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733508,"usec":194223},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.574801,"noise_level":-25.961643,"freq_skew":-2.239178,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733508,"usec":962223},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472084,"noise_level":-25.491474,"freq_skew":-2.573275,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH092N","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733508,"usec":962223},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.472084,"noise_level":-25.491474,"freq_skew":-2.573275,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062216","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,142,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733508,"usec":963047},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706370,"noise_level":-25.491474,"freq_skew":-1.806342,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":878,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733508,"usec":964412},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792651,"noise_level":-25.442574,"freq_skew":1.594281,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":276,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733508,"usec":965836},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354148,"noise_level":-25.393951,"freq_skew":-2.068485,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":879,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43074,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[76,40,236,202]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733509,"usec":711115},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.487239,"noise_level":-25.313511,"freq_skew":0.943603,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733509,"usec":714486},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954258,"noise_level":-25.547691,"freq_skew":-0.859110,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVA","mode":"2","label":"_d","blk_id":"3","ack":"S","flight":"TP863Y","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733509,"usec":720031},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.949219,"noise_level":-25.336411,"freq_skew":0.378592,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43142,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[202,221,200,48]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43142,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[145,179,127,9]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":11,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733510,"usec":481624},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.825056,"noise_level":-25.161564,"freq_skew":-2.445872,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733510,"usec":484777},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921294,"noise_level":-25.067656,"freq_skew":1.045158,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":780,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[161,70,214,35]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733510,"usec":486855},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567936,"noise_level":-25.006710,"freq_skew":2.181530,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733511,"usec":240507},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.365444,"noise_level":-24.838314,"freq_skew":0.108357,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2892,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43222,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[69,90]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733511,"usec":241002},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.429245,"noise_level":-24.808043,"freq_skew":0.398172,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733511,"usec":243915},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.393377,"noise_level":-24.732826,"freq_skew":-0.098551,"avlc":{"src":{"addr":"347387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733512,"usec":6220},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.363287,"noise_level":-24.540260,"freq_skew":1.768520,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733512,"usec":8114},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518392,"noise_level":-24.467316,"freq_skew":-0.018491,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":892,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43246,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[206,182]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733512,"usec":766526},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.784000,"noise_level":-23.945780,"freq_skew":0.617803,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":50251,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733512,"usec":769570},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485127,"noise_level":-24.648035,"freq_skew":0.409153,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32737,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[3,133,179,85]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733513,"usec":527156},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.624166,"noise_level":-24.574186,"freq_skew":0.493395,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1497,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[48,116,21,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733513,"usec":527807},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.896610,"noise_level":-24.559490,"freq_skew":0.516453,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":482,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[56,121,160,57]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733513,"usec":527807},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.896610,"noise_level":-24.559490,"freq_skew":0.516453,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":483,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[221,201,130,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733513,"usec":534536},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.768158,"noise_level":-24.962727,"freq_skew":-1.123009,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":713,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733514,"usec":285064},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976973,"noise_level":-25.921158,"freq_skew":0.321894,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":276,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43142,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,184,210,251]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":11,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733514,"usec":285173},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484307,"noise_level":-25.921158,"freq_skew":0.237126,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30657,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[36,54,35,37]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":11,"sec":52}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733514,"usec":287342},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.237874,"noise_level":-25.818720,"freq_skew":0.609494,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733514,"usec":287764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.259433,"noise_level":-25.801764,"freq_skew":0.594048,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733514,"usec":290396},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687587,"noise_level":-25.734268,"freq_skew":1.341744,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-6.300000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733514,"usec":292762},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.902392,"noise_level":-26.643139,"freq_skew":-2.390299,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733514,"usec":294008},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.709665,"noise_level":-26.587330,"freq_skew":0.374502,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733514,"usec":294008},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.709665,"noise_level":-26.587330,"freq_skew":0.374502,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[160,193,225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733514,"usec":296112},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.990885,"noise_level":-26.531876,"freq_skew":-0.634579,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[106,14,109,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733515,"usec":44660},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.123127,"noise_level":-26.942389,"freq_skew":1.093382,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"EC92VK","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733515,"usec":44660},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.123127,"noise_level":-26.942389,"freq_skew":1.093382,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,177,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733515,"usec":45524},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304388,"noise_level":-27.184074,"freq_skew":-1.196472,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733515,"usec":46649},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.909573,"noise_level":-27.124691,"freq_skew":0.467627,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":56,"dst_ref":43142,"variable_part_params":[{"name":"atn_checksum","value":[62,161,114,190]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733515,"usec":47711},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.627279,"noise_level":-27.085325,"freq_skew":1.459944,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":175,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733515,"usec":50818},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.027151,"noise_level":-27.310226,"freq_skew":0.231872,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[167,216,87,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733515,"usec":808566},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273056,"noise_level":-26.999266,"freq_skew":1.226403,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":780,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[161,70,214,35]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733515,"usec":814901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.186341,"noise_level":-26.806969,"freq_skew":1.241590,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733515,"usec":818255},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925018,"noise_level":-26.674852,"freq_skew":0.531798,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[252,165,137,252]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30657,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[241,94,34,20]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":11,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733516,"usec":574585},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.510437,"noise_level":-26.581697,"freq_skew":0.437373,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":50251,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733516,"usec":580430},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.834254,"noise_level":-26.344070,"freq_skew":-0.653824,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":556,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,72,226,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733516,"usec":584297},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627201,"noise_level":-26.183289,"freq_skew":1.849165,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733517,"usec":325984},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.133371,"noise_level":-26.130348,"freq_skew":0.844084,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":900,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733517,"usec":327290},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.834157,"noise_level":-26.077728,"freq_skew":0.113273,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":745,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[35,101,0,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733517,"usec":328836},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.261878,"noise_level":-26.008062,"freq_skew":1.187302,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733517,"usec":329908},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.367451,"noise_level":-25.973436,"freq_skew":0.392101,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733517,"usec":334360},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961322,"noise_level":-25.870382,"freq_skew":1.911607,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":586,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[132,29,121,241]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733517,"usec":336122},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.493042,"noise_level":-25.802353,"freq_skew":1.847350,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[24,51,128,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733518,"usec":865081},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.457552,"noise_level":-25.197121,"freq_skew":0.487126,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":130,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[225,246,188,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733518,"usec":867473},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.650445,"noise_level":-25.118475,"freq_skew":0.700043,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2785,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[78,203,124,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733518,"usec":869240},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739203,"noise_level":-25.071625,"freq_skew":1.099736,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43270,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,11,93,252]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733518,"usec":869893},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.342896,"noise_level":-25.056065,"freq_skew":1.532130,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[146,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733518,"usec":872943},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103196,"noise_level":-25.915150,"freq_skew":-1.808062,"avlc":{"src":{"addr":"3C56EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733518,"usec":873972},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.161327,"noise_level":-25.898003,"freq_skew":1.039595,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733519,"usec":620509},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.374861,"noise_level":-25.829758,"freq_skew":1.200142,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733519,"usec":621119},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.492942,"noise_level":-25.962143,"freq_skew":1.537188,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43170,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[25,11]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":11,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733519,"usec":621359},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.119362,"noise_level":-25.962143,"freq_skew":0.640881,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733519,"usec":624844},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604219,"noise_level":-25.978302,"freq_skew":0.355580,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733520,"usec":383693},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.124681,"noise_level":-25.689274,"freq_skew":0.639217,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":900,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733520,"usec":389591},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.655822,"noise_level":-26.057835,"freq_skew":1.885428,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[24,51,128,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733521,"usec":148108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.876899,"noise_level":-26.458118,"freq_skew":1.226770,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733521,"usec":152020},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304041,"noise_level":-27.019592,"freq_skew":1.785024,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7340,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733521,"usec":911136},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.321563,"noise_level":-27.575180,"freq_skew":0.582699,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733523,"usec":429984},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.272062,"noise_level":-26.556875,"freq_skew":1.239335,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[212,122,41,16]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733523,"usec":436241},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604340,"noise_level":-26.483276,"freq_skew":0.645486,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":50590,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733523,"usec":436519},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.877514,"noise_level":-27.034164,"freq_skew":0.650113,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":50594,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733523,"usec":440433},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755959,"noise_level":-26.917812,"freq_skew":0.525775,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":50596,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733524,"usec":192760},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.038592,"noise_level":-26.898573,"freq_skew":0.257198,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":746,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733524,"usec":193810},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.970645,"noise_level":-26.822031,"freq_skew":0.330720,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4302,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733524,"usec":194050},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923060,"noise_level":-26.822031,"freq_skew":1.019407,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":768,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[230,221,129,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733524,"usec":195305},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.632971,"noise_level":-26.727295,"freq_skew":1.950830,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":456,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1509,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,16,171,95]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733524,"usec":201924},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.212749,"noise_level":-26.633577,"freq_skew":-1.270119,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733524,"usec":948135},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.414299,"noise_level":-26.610493,"freq_skew":0.727650,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733524,"usec":948946},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.990010,"noise_level":-26.573389,"freq_skew":1.591690,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733524,"usec":949591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604293,"noise_level":-27.687569,"freq_skew":0.366660,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733524,"usec":952739},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.997092,"noise_level":-27.582962,"freq_skew":0.767507,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733526,"usec":480283},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991659,"noise_level":-26.508493,"freq_skew":2.247188,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5542,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733527,"usec":996536},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.188770,"noise_level":-25.802914,"freq_skew":0.365280,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4302,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733527,"usec":998352},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.223648,"noise_level":-26.459045,"freq_skew":-0.447936,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733527,"usec":999666},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735881,"noise_level":-26.440794,"freq_skew":1.201950,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43170,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[64,61]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733528,"usec":761440},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.344010,"noise_level":-27.059555,"freq_skew":0.717015,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733528,"usec":770317},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.117679,"noise_level":-26.789680,"freq_skew":-0.516100,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":725,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733528,"usec":774023},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.814469,"noise_level":-26.695292,"freq_skew":1.264173,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1403,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733529,"usec":533132},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.202797,"noise_level":-26.743135,"freq_skew":1.317269,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733529,"usec":534239},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741173,"noise_level":-26.705458,"freq_skew":2.277438,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":536,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[37,230,185,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733529,"usec":535295},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.582941,"noise_level":-26.649248,"freq_skew":0.695045,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,127,133,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733530,"usec":281175},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.594164,"noise_level":-26.700838,"freq_skew":1.362633,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6528,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[135,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733530,"usec":281714},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.623103,"noise_level":-26.682072,"freq_skew":0.374573,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,48,22,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733530,"usec":282128},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.568662,"noise_level":-26.644659,"freq_skew":-0.912408,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733530,"usec":285103},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.748762,"noise_level":-26.441719,"freq_skew":1.737091,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TTX","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"TP048M","msg_num":"C54","msg_num_seq":"A","sublabel":"CF","msg_text":"APM_REPORT_A_20250728201156S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:11:57\nA/C CS-TTX\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 524\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:11:56 T 2025JUL28 20:11:56\n----"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733530,"usec":288830},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.333789,"noise_level":-26.351021,"freq_skew":0.677872,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400EB","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733530,"usec":289524},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912580,"noise_level":-26.351021,"freq_skew":0.678786,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4892C0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733530,"usec":289891},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.094888,"noise_level":-27.057861,"freq_skew":2.445231,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733531,"usec":53101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.244188,"noise_level":-26.750166,"freq_skew":0.664475,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733531,"usec":811420},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.297264,"noise_level":-26.344131,"freq_skew":0.632100,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAY","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733532,"usec":569665},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928300,"noise_level":-25.973495,"freq_skew":-0.032064,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733533,"usec":337050},"freq":136975000,"burst_len_octets":151,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529447,"noise_level":-25.584923,"freq_skew":1.639381,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"TP048M","msg_num":"C54","msg_num_seq":"B","sublabel":"CF","msg_text":"APM_REPORT_A_20250728201156S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:11:57\nA/C CS-TTX\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 524\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:11:56 T 2025JUL28 20:11:56\n-----\n0, 265.394, 2342.12, 86.8984, 2377, 86.8982, 98249, 0.784557, 1, 0, 35120.4,\n10651, -19.1717, 87598,\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733533,"usec":337921},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641908,"noise_level":-25.551941,"freq_skew":2.323669,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":536,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[37,230,185,24]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733533,"usec":342443},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003600,"noise_level":-26.046982,"freq_skew":0.220852,"avlc":{"src":{"addr":"347690","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43146,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[240,212,235,108]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733534,"usec":857736},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.862811,"noise_level":-25.376539,"freq_skew":-0.135591,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":883,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[192,244,33,40]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733534,"usec":860073},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590329,"noise_level":-25.997608,"freq_skew":1.847348,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TTX","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"TP048M","msg_num":"C55","msg_num_seq":"A","sublabel":"CF","msg_text":"APM_REPORT_A_20250728201156S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:11:57\nA/C CS-TTX\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 524\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:11:56 T 2025JUL28 20:11:56\n----"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733534,"usec":860735},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.147953,"noise_level":-25.980299,"freq_skew":0.960046,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":769,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60785,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[21,86,64,146]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60785,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[162,183,197,194]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733534,"usec":861464},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112328,"noise_level":-25.928577,"freq_skew":0.283213,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43196,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[137,30,180,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733535,"usec":620436},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.653397,"noise_level":-25.607977,"freq_skew":0.459037,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733535,"usec":621143},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.900836,"noise_level":-25.607977,"freq_skew":0.852746,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":771,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":75,"dst_ref":60785,"variable_part_params":[{"name":"atn_checksum","value":[5,158,203,50]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733536,"usec":383438},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.969664,"noise_level":-25.330822,"freq_skew":1.121393,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":168,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733536,"usec":384172},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558853,"noise_level":-25.298790,"freq_skew":0.885562,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733537,"usec":146784},"freq":136975000,"burst_len_octets":151,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646307,"noise_level":-24.847124,"freq_skew":1.877692,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"TP048M","msg_num":"C55","msg_num_seq":"B","sublabel":"CF","msg_text":"APM_REPORT_A_20250728201156S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:11:57\nA/C CS-TTX\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 524\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:11:56 T 2025JUL28 20:11:56\n-----\n0, 265.394, 2342.12, 86.8984, 2377, 86.8982, 98249, 0.784557, 1, 0, 35120.4,\n10651, -19.1717, 87598,\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733537,"usec":150264},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.082481,"noise_level":-24.726551,"freq_skew":0.658603,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":484,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733537,"usec":906064},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625374,"noise_level":-24.588194,"freq_skew":1.076064,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733537,"usec":910973},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.451275,"noise_level":-24.500254,"freq_skew":0.746133,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733538,"usec":669514},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706073,"noise_level":-24.087332,"freq_skew":0.589896,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":78,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[245,119,150,151]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":18}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":134.355000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733538,"usec":671891},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.406505,"noise_level":-24.709217,"freq_skew":1.184097,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":771,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":75,"dst_ref":60785,"variable_part_params":[{"name":"atn_checksum","value":[5,158,203,50]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733539,"usec":432091},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.249122,"noise_level":-24.634850,"freq_skew":-2.248843,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":307,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[226,103,191,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733539,"usec":432288},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.333438,"noise_level":-24.634850,"freq_skew":0.220017,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[19,15,162,174]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733539,"usec":435859},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.800315,"noise_level":-25.518446,"freq_skew":1.179294,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":721,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[157,248,117,234]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[24,160,220,202]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733539,"usec":437917},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.668402,"noise_level":-26.342237,"freq_skew":2.104821,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":809,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733539,"usec":440668},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375171,"noise_level":-26.199203,"freq_skew":1.945924,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":260,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733540,"usec":184373},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.880235,"noise_level":-26.199203,"freq_skew":0.472591,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733540,"usec":184994},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274156,"noise_level":-26.163807,"freq_skew":0.795794,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":772,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[30,230,229,108]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733540,"usec":186226},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.332718,"noise_level":-26.075951,"freq_skew":0.672427,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[101,133,107,21]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733540,"usec":192219},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.192589,"noise_level":-25.868645,"freq_skew":0.527823,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":484,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733540,"usec":952399},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.922182,"noise_level":-25.733143,"freq_skew":0.325083,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[94,184,25,237]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43217,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[163,94,145,120]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733540,"usec":953285},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.853552,"noise_level":-25.682867,"freq_skew":-0.177474,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGK","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR60HZ","msg_num":"M02","msg_num_seq":"A","msg_text":"201219,38003,2146, 133,N 43.455 W  3.766"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733540,"usec":956523},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.248876,"noise_level":-25.599718,"freq_skew":0.816431,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733540,"usec":957371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.191507,"noise_level":-25.566681,"freq_skew":0.554987,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733540,"usec":959432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.225588,"noise_level":-25.500980,"freq_skew":1.081508,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733541,"usec":714381},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.962354,"noise_level":-25.243036,"freq_skew":1.788573,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733541,"usec":719684},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545380,"noise_level":-25.211325,"freq_skew":1.121975,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":773,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[115,179,24,23]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733541,"usec":725426},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.883296,"noise_level":-25.054483,"freq_skew":2.001838,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733542,"usec":470467},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.368696,"noise_level":-26.081978,"freq_skew":0.074024,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733542,"usec":481553},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285656,"noise_level":-26.289959,"freq_skew":-0.177262,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733543,"usec":239663},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.389967,"noise_level":-26.738596,"freq_skew":-2.098120,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":307,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[226,103,191,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733543,"usec":245479},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.650074,"noise_level":-27.426661,"freq_skew":0.681425,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":51104,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733544,"usec":7500},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.402457,"noise_level":-26.702032,"freq_skew":0.025078,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733544,"usec":8003},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.430737,"noise_level":-26.966955,"freq_skew":0.385926,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733544,"usec":760792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.513952,"noise_level":-26.889812,"freq_skew":1.208635,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733544,"usec":762550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591645,"noise_level":-26.775368,"freq_skew":1.821211,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733544,"usec":768741},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.397469,"noise_level":-26.662411,"freq_skew":0.657747,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52329,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733544,"usec":769324},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013721,"noise_level":-27.136101,"freq_skew":1.182550,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":722,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[0,59,187,104]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733544,"usec":773155},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890099,"noise_level":-27.254745,"freq_skew":1.225401,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":715,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[45,136,232,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733544,"usec":773621},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.801965,"noise_level":-27.234745,"freq_skew":1.699449,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":747,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733545,"usec":523369},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.629780,"noise_level":-26.959457,"freq_skew":0.423995,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[186,82,157,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733545,"usec":528794},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.373997,"noise_level":-26.730247,"freq_skew":0.638553,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733545,"usec":530454},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.307476,"noise_level":-27.422352,"freq_skew":0.622857,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733546,"usec":285800},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755362,"noise_level":-27.780212,"freq_skew":0.395918,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18276,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":78,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[2,217,19,187]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733546,"usec":285800},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.755362,"noise_level":-27.780212,"freq_skew":0.395918,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52331,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733546,"usec":288816},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.430575,"noise_level":-27.570045,"freq_skew":1.032213,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733546,"usec":291181},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.749506,"noise_level":-27.405499,"freq_skew":0.196223,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":387,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43217,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[124,186,154,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733547,"usec":53739},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.710306,"noise_level":-27.869425,"freq_skew":0.294688,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733547,"usec":53929},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387905,"noise_level":-27.847958,"freq_skew":-2.061940,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":569,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43100,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[47,248,29,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733547,"usec":62139},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.280213,"noise_level":-27.511522,"freq_skew":0.967450,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":723,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[17,152,112,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733547,"usec":65059},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.224130,"noise_level":-27.409004,"freq_skew":0.695239,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733547,"usec":811370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.312569,"noise_level":-27.088848,"freq_skew":0.484561,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733547,"usec":813813},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.418326,"noise_level":-26.991173,"freq_skew":0.141078,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733548,"usec":575612},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.661046,"noise_level":-26.837139,"freq_skew":-0.345837,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EGNM"},{"name":"ac_location","value":{"loc":{"lat":38.799999,"lon":-3.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733548,"usec":577844},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.110257,"noise_level":-26.685789,"freq_skew":0.981836,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1068,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43118,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[132,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733548,"usec":581659},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.411718,"noise_level":-26.537033,"freq_skew":-1.856779,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":276,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[148,61,107,131]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733548,"usec":582225},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.765793,"noise_level":-27.088396,"freq_skew":1.188483,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-6.400000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733548,"usec":582796},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285042,"noise_level":-27.049196,"freq_skew":-0.383366,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFM","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LS0008","msg_num":"M18","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733548,"usec":582875},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.059786,"noise_level":-27.049196,"freq_skew":0.250404,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733549,"usec":333123},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.702986,"noise_level":-27.224606,"freq_skew":0.658842,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733549,"usec":334840},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.615776,"noise_level":-27.105694,"freq_skew":0.117536,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[179,133,75,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733549,"usec":335088},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.318742,"noise_level":-27.108881,"freq_skew":1.244273,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EC92VK","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733549,"usec":335088},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.318742,"noise_level":-27.108881,"freq_skew":1.244273,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,177,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733549,"usec":336028},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.155137,"noise_level":-27.050009,"freq_skew":0.570747,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733549,"usec":336199},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864239,"noise_level":-27.050009,"freq_skew":0.642312,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733550,"usec":96255},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.571458,"noise_level":-26.686136,"freq_skew":0.534022,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IZF","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733550,"usec":97491},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.685893,"noise_level":-26.630051,"freq_skew":1.960546,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NZP","mode":"2","label":"_d","blk_id":"7","ack":"P","flight":"IB07BW","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733550,"usec":101085},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.224240,"noise_level":-26.574326,"freq_skew":1.092431,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733550,"usec":853950},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738580,"noise_level":-26.584509,"freq_skew":0.086732,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,145,175,38]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733550,"usec":855176},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058145,"noise_level":-27.485258,"freq_skew":-0.305044,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733551,"usec":625338},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.645902,"noise_level":-26.793823,"freq_skew":0.443454,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":485,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43160,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[36,91,218,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733551,"usec":625603},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083773,"noise_level":-26.774855,"freq_skew":0.206161,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":389,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733551,"usec":627411},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.170489,"noise_level":-26.661903,"freq_skew":-0.026804,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733552,"usec":377649},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.220488,"noise_level":-26.422102,"freq_skew":0.499408,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733553,"usec":152335},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.770241,"noise_level":-25.689718,"freq_skew":0.759354,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":272,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733553,"usec":901650},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.366977,"noise_level":-26.548624,"freq_skew":0.813959,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1069,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43118,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[83,176]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733553,"usec":902649},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.270855,"noise_level":-26.475094,"freq_skew":1.485967,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[164,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733553,"usec":906195},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.999001,"noise_level":-26.258162,"freq_skew":-3.064551,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-3.200000},"alt":11000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733553,"usec":909413},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.211322,"noise_level":-26.169348,"freq_skew":0.442303,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733554,"usec":672564},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416606,"noise_level":-26.063957,"freq_skew":-3.153983,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"IB0657","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733554,"usec":672564},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.416606,"noise_level":-26.063957,"freq_skew":-3.153983,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15011516","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,19,78,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733555,"usec":428184},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923502,"noise_level":-25.792767,"freq_skew":0.249589,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ENGM"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-3.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733555,"usec":433750},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.502070,"noise_level":-26.063171,"freq_skew":-2.932805,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733556,"usec":194173},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839814,"noise_level":-25.604164,"freq_skew":0.579322,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":51449,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733556,"usec":954691},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.586159,"noise_level":-25.554628,"freq_skew":3.232914,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":781,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733556,"usec":955584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.323323,"noise_level":-25.521763,"freq_skew":-2.996539,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733556,"usec":961086},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292934,"noise_level":-25.925575,"freq_skew":2.102805,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":261,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[58,172,5,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733556,"usec":961424},"freq":136975000,"burst_len_octets":41,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535573,"noise_level":-25.908409,"freq_skew":0.159364,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43196,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[166,236,209,215]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"commanded-termination"}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733557,"usec":707863},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.173863,"noise_level":-25.891275,"freq_skew":0.629440,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733557,"usec":710820},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.425963,"noise_level":-25.705017,"freq_skew":0.682531,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[130,164,167,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733557,"usec":711993},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491189,"noise_level":-25.671577,"freq_skew":0.480101,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43196,"dst_ref":60,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[88,4,135,103]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733557,"usec":713639},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.228138,"noise_level":-26.031378,"freq_skew":0.057443,"avlc":{"src":{"addr":"34608E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":43196,"variable_part_params":[{"name":"atn_checksum","value":[215,177,143,115]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733558,"usec":479595},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.474876,"noise_level":-25.723801,"freq_skew":0.459934,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"M","ack":"!","sublabel":"EI","msg_text":"EM13R0\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733558,"usec":483451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.053397,"noise_level":-25.707039,"freq_skew":0.636911,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34608E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733558,"usec":484897},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795328,"noise_level":-25.673592,"freq_skew":1.854439,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733558,"usec":485849},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421554,"noise_level":-25.623663,"freq_skew":1.447626,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[91,26]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733558,"usec":486152},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635664,"noise_level":-26.530764,"freq_skew":1.016569,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-4.900000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733558,"usec":488773},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.463541,"noise_level":-27.564377,"freq_skew":0.550445,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[86,18,159,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733559,"usec":244819},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.822911,"noise_level":-27.420322,"freq_skew":0.724909,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":638,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[232,165,193,252]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733559,"usec":244904},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808645,"noise_level":-27.420322,"freq_skew":-1.383619,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"6","ack":"M","flight":"LO05JL","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733559,"usec":248018},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.097176,"noise_level":-27.772829,"freq_skew":1.179279,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"DS34XD","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733559,"usec":248018},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.097176,"noise_level":-27.772829,"freq_skew":1.179279,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,101,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733559,"usec":996296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.531022,"noise_level":-27.521442,"freq_skew":1.807099,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733559,"usec":996526},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.326100,"noise_level":-27.521442,"freq_skew":0.603316,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733559,"usec":997888},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.125925,"noise_level":-27.439236,"freq_skew":0.737290,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733560,"usec":763546},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.338713,"noise_level":-27.000513,"freq_skew":1.139598,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733560,"usec":763766},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031182,"noise_level":-26.981089,"freq_skew":0.419781,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,71,82,254]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733560,"usec":764062},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.786520,"noise_level":-26.981089,"freq_skew":1.684996,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ESV","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"FR08XT","msg_num":"M70","msg_num_seq":"A","msg_text":"201238,,2211, 181,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733560,"usec":766453},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.855813,"noise_level":-27.420378,"freq_skew":2.498258,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[205,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733560,"usec":769223},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.055003,"noise_level":-27.609303,"freq_skew":0.674129,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733562,"usec":286444},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.234162,"noise_level":-26.812634,"freq_skew":0.291229,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733562,"usec":288797},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569451,"noise_level":-26.736843,"freq_skew":-1.422524,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[112,153,114,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733563,"usec":44949},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.827740,"noise_level":-26.460312,"freq_skew":0.046678,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ENGM"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-3.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733563,"usec":45272},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.231675,"noise_level":-26.442055,"freq_skew":1.657511,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733563,"usec":48923},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.846906,"noise_level":-26.225939,"freq_skew":0.260927,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":44.000000,"lon":-4.100000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733563,"usec":49021},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254728,"noise_level":-26.225939,"freq_skew":2.527824,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[133,210,0,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733563,"usec":812575},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.207783,"noise_level":-26.433046,"freq_skew":2.551148,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733563,"usec":816484},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294047,"noise_level":-26.306456,"freq_skew":0.212125,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVI","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"EC49VX","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733563,"usec":816484},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.294047,"noise_level":-26.306456,"freq_skew":0.212125,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000200","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,128,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733563,"usec":817038},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.056098,"noise_level":-26.288519,"freq_skew":2.877437,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":795,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[211,34,245,204]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43263,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[53,48,231,175]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733563,"usec":817241},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.934998,"noise_level":-26.288519,"freq_skew":0.495780,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"N","ack":"!","sublabel":"EI","msg_text":"EM01R0\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733564,"usec":571101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.502217,"noise_level":-26.822369,"freq_skew":1.071898,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733564,"usec":572337},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.699131,"noise_level":-26.765402,"freq_skew":-1.694129,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"7","ack":"N","flight":"LO05JL","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733565,"usec":331859},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.203913,"noise_level":-26.358671,"freq_skew":0.673746,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733565,"usec":333349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.449486,"noise_level":-26.286724,"freq_skew":2.721427,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733565,"usec":334873},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914578,"noise_level":-26.215366,"freq_skew":2.507244,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":592,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[45,36,245,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733565,"usec":337088},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582961,"noise_level":-26.613144,"freq_skew":-1.395034,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LO05JL","msg_num":"E18","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT13;PG1;REAL;SW030M1R\r\n1  \r\n2  \r\n3  -5.3;+2.2;257\r\n4  40000\r\n5  0.0;0.0;0.0;0.0;-0.2\r\n6  -0.1;+0.1;+0.1;+0.1;+0.1\r\n7  -0.2;-0.2;-0.2;-0.3;-0.2\r\n8  0.0;+0.1;-0.1;-0.1;0.0;-0.1\r\n9  0.0;+0.1;-0.2;0.0;0.0;-0."}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733565,"usec":337685},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.122336,"noise_level":-27.264706,"freq_skew":-2.518711,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":48,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733566,"usec":93250},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.851772,"noise_level":-27.357847,"freq_skew":-1.604165,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-6.400000},"alt":40000}},{"name":"alternate_ground_stations","value":["119ADA","11928A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733566,"usec":97316},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.200487,"noise_level":-27.554062,"freq_skew":0.409977,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733566,"usec":98623},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.749353,"noise_level":-27.512707,"freq_skew":2.733637,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[133,210,0,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733566,"usec":860032},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.510296,"noise_level":-27.268635,"freq_skew":0.718823,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32802,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[47,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733566,"usec":862770},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369184,"noise_level":-27.149120,"freq_skew":0.703326,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"X","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733566,"usec":864264},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.786279,"noise_level":-27.109644,"freq_skew":0.500467,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVI","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"EC49VX","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733567,"usec":618209},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449068,"noise_level":-27.137518,"freq_skew":-1.373157,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LO05JL","msg_num":"E18","msg_num_seq":"B","sublabel":"EI","msg_text":"2\r\n10 0.0;+0.1;-0.2;0.0;0.0;-0.2\r\n11 +0.1;0.0\r\n12 -0.8;-0.7\r\n13 -1.3;+0.2;-1.3;-0.1\r\n14 -1;+12;+5;-3;+2;+4\r\n15 -6.6;0.00;+1.13;0.0;0.0\r\n16 -6.7;0.00;+1.12;0.0;0.0\r\n17 -6.5;-0.01;+1.0;+1.0\r\n18 -6.7\r\n19 NORMA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733567,"usec":619430},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577321,"noise_level":-27.415171,"freq_skew":0.685205,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":901,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1499,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[91,159,3,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733567,"usec":624546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.361847,"noise_level":-27.173784,"freq_skew":-1.371554,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733567,"usec":625426},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.009668,"noise_level":-27.114470,"freq_skew":-2.235289,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-2.300000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733567,"usec":625426},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.009668,"noise_level":-27.114470,"freq_skew":-2.235289,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-ILR","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"I218LM","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733567,"usec":625792},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.311618,"noise_level":-27.114470,"freq_skew":-2.111097,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,83,0,52,32,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733568,"usec":380636},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.651559,"noise_level":-27.682400,"freq_skew":2.342812,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[132,44]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733568,"usec":380826},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.932360,"noise_level":-27.682400,"freq_skew":0.663138,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":146785},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.589332,"noise_level":-27.202757,"freq_skew":2.089160,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[163,146,221,21]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1485,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[159,156,115,6]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":147095},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.216868,"noise_level":-27.202757,"freq_skew":1.015423,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":535,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[27,193,242,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":147095},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.216868,"noise_level":-27.202757,"freq_skew":1.015423,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":536,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[217,188,227,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":147535},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.044412,"noise_level":-27.182875,"freq_skew":0.699617,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"15","blk_id":"3","ack":"!","flight":"BA465M","msg_num":"M45","msg_num_seq":"A","msg_text":"FST01LEMDEGLLN43739W0031998360  43  19     34323      442  21302012"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":148236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.237668,"noise_level":-27.829391,"freq_skew":-1.405768,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":149034},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.091590,"noise_level":-27.786709,"freq_skew":1.129650,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":39.900002,"lon":-2.200000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":149382},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407541,"noise_level":-27.786709,"freq_skew":-2.049494,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":150900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.939698,"noise_level":-27.723076,"freq_skew":3.236951,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":897933},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676288,"noise_level":-27.576385,"freq_skew":0.608657,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":639,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43215,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[166,156,101,174]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":899547},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.380073,"noise_level":-27.493660,"freq_skew":0.644554,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"Y","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":899995},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.567842,"noise_level":-27.452593,"freq_skew":0.744304,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32802,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[47,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":900205},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541512,"noise_level":-27.452593,"freq_skew":1.166636,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSF","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EC71AF","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":900205},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.541512,"noise_level":-27.452593,"freq_skew":1.166636,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000162","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,74,85,0,68,0,114,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733569,"usec":905292},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.263209,"noise_level":-27.190281,"freq_skew":0.753920,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733570,"usec":666368},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.598757,"noise_level":-27.071835,"freq_skew":2.494821,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[133,210,0,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733570,"usec":666787},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.004632,"noise_level":-27.052248,"freq_skew":0.425328,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733570,"usec":672866},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.894075,"noise_level":-26.763651,"freq_skew":0.171020,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ENGM"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-3.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733571,"usec":430368},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.408244,"noise_level":-27.435555,"freq_skew":0.602192,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52358,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[177,216,55,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733571,"usec":430543},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319878,"noise_level":-27.435555,"freq_skew":1.372132,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733571,"usec":431217},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720742,"noise_level":-27.394762,"freq_skew":0.279710,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"SK4680","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733571,"usec":432384},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.708167,"noise_level":-27.639074,"freq_skew":0.959856,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":596,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1527,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[99,77,221,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733571,"usec":435399},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.124237,"noise_level":-27.535048,"freq_skew":0.156297,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22544746","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,74,201,230,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733571,"usec":435770},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.180613,"noise_level":-28.456005,"freq_skew":1.046674,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733571,"usec":438364},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.562812,"noise_level":-28.341789,"freq_skew":-2.102326,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-ILR","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"I218LM","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733571,"usec":439192},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.883656,"noise_level":-29.047144,"freq_skew":-2.304889,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,83,0,52,32,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733571,"usec":439951},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.558124,"noise_level":-29.022564,"freq_skew":0.387775,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733571,"usec":440559},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793708,"noise_level":-28.998055,"freq_skew":0.678380,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":535,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[27,193,242,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733572,"usec":192588},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.263598,"noise_level":-29.544552,"freq_skew":0.576270,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733572,"usec":193167},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.621526,"noise_level":-29.532812,"freq_skew":0.908632,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":536,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[217,188,227,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733572,"usec":196143},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090957,"noise_level":-29.327040,"freq_skew":1.931081,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733572,"usec":198123},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.613818,"noise_level":-29.225952,"freq_skew":1.500969,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1419,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[94,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733572,"usec":200155},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.128578,"noise_level":-29.150902,"freq_skew":0.352578,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733572,"usec":200883},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287719,"noise_level":-29.101227,"freq_skew":1.917100,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[163,146,221,21]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1485,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[159,156,115,6]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733572,"usec":201124},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.888199,"noise_level":-29.076496,"freq_skew":0.231783,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2649,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733572,"usec":953220},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.420085,"noise_level":-29.002720,"freq_skew":0.521226,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32802,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[47,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733572,"usec":960216},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.182744,"noise_level":-28.572762,"freq_skew":0.460564,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA808","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733573,"usec":711968},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.041259,"noise_level":-28.434044,"freq_skew":0.962898,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30643,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[87,155]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733573,"usec":712600},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.440601,"noise_level":-28.388290,"freq_skew":0.522433,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52366,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8276,"credit":15,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[9,32,146,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733573,"usec":718075},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.101284,"noise_level":-28.096638,"freq_skew":-1.382641,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733573,"usec":718461},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.258475,"noise_level":-28.096638,"freq_skew":2.019897,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-7.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733573,"usec":719017},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856185,"noise_level":-28.096638,"freq_skew":1.908415,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":620,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[149,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733573,"usec":721678},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.669796,"noise_level":-28.042103,"freq_skew":0.044747,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":107,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[6,241,220,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733573,"usec":722119},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357041,"noise_level":-28.020203,"freq_skew":-1.046775,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":714,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[79,17,42,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733573,"usec":722452},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.960682,"noise_level":-28.020203,"freq_skew":0.719813,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733574,"usec":482183},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691696,"noise_level":-28.464052,"freq_skew":-2.048186,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-ILR","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"I218LM","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733574,"usec":483558},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.951783,"noise_level":-29.319195,"freq_skew":0.711441,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":640,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733574,"usec":484449},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639565,"noise_level":-29.268551,"freq_skew":1.571306,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":699,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[182,85,222,58]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733574,"usec":485428},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.246865,"noise_level":-29.243338,"freq_skew":2.587290,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"81","blk_id":"4","ack":"!","flight":"U285XQ","msg_num":"M71","msg_num_seq":"A","msg_text":"THANK YOU SEAN. WE ARE J\r\nUST THINKING ABUT MANAGI\r\nNG CREW REST. THNX GEORG\r\nE AND DANIEL.\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733574,"usec":487166},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.324424,"noise_level":-29.193134,"freq_skew":0.568902,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733575,"usec":234579},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.020477,"noise_level":-28.873684,"freq_skew":0.566045,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733575,"usec":234943},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.218850,"noise_level":-28.849592,"freq_skew":2.641661,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[222,66]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733575,"usec":235661},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716510,"noise_level":-28.801605,"freq_skew":-2.245743,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-2.400000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733575,"usec":998822},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.863570,"noise_level":-28.381252,"freq_skew":1.403142,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":61,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733576,"usec":95},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.638016,"noise_level":-29.054306,"freq_skew":0.456927,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA808","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":51952,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733576,"usec":732},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.456791,"noise_level":-29.005177,"freq_skew":2.113223,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[163,146,221,21]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1485,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[159,156,115,6]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733576,"usec":2947},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831449,"noise_level":-28.956326,"freq_skew":2.585944,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":796,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43263,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[85,208,211,248]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":12,"sec":54}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733576,"usec":7344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.096733,"noise_level":-29.166397,"freq_skew":0.424415,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733576,"usec":769111},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417379,"noise_level":-29.017952,"freq_skew":2.355064,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733576,"usec":770168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.919127,"noise_level":-28.944668,"freq_skew":2.146305,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733576,"usec":774776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.248630,"noise_level":-28.657572,"freq_skew":0.223627,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733576,"usec":777067},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531192,"noise_level":-28.494379,"freq_skew":1.648161,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1561,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":12,"ack":4,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733577,"usec":521722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.252735,"noise_level":-28.379660,"freq_skew":2.797575,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733577,"usec":522511},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.576620,"noise_level":-28.332758,"freq_skew":-0.078548,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":107,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[6,241,220,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733577,"usec":522786},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816377,"noise_level":-28.332758,"freq_skew":1.508534,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":699,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[182,85,222,58]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733577,"usec":524930},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.671268,"noise_level":-28.175497,"freq_skew":1.335369,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[21,82]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733577,"usec":528081},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.999169,"noise_level":-28.021032,"freq_skew":-2.174313,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-ILR","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"I218LM","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733577,"usec":528081},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.999169,"noise_level":-28.021032,"freq_skew":-2.174313,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,83,0,52,32,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733578,"usec":280822},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.127024,"noise_level":-28.021984,"freq_skew":0.707173,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733578,"usec":281976},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898493,"noise_level":-27.956610,"freq_skew":-2.280943,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":570,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[18,179,71,63]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733578,"usec":283622},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.530183,"noise_level":-27.886211,"freq_skew":2.818986,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":797,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[71,193,240,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733579,"usec":48119},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.245441,"noise_level":-27.424925,"freq_skew":-2.345991,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733579,"usec":52966},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.346727,"noise_level":-27.243057,"freq_skew":2.516943,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733579,"usec":53794},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.933471,"noise_level":-27.203156,"freq_skew":1.556598,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":621,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[76,38]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733579,"usec":807149},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285060,"noise_level":-27.025824,"freq_skew":2.285451,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":537,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[77,135,174,176]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733579,"usec":807531},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.447157,"noise_level":-27.006342,"freq_skew":0.989544,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1070,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733579,"usec":808047},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461488,"noise_level":-26.967510,"freq_skew":0.677219,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":52058,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733579,"usec":808486},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.242882,"noise_level":-26.948158,"freq_skew":1.543875,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733579,"usec":809416},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394526,"noise_level":-26.890362,"freq_skew":2.146826,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":263,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":43329,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[161,141,224,75]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733579,"usec":811655},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.394037,"noise_level":-26.775909,"freq_skew":-0.166124,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":672,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[232,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733580,"usec":567014},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.055788,"noise_level":-26.588442,"freq_skew":1.318154,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733580,"usec":574527},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.420283,"noise_level":-26.278753,"freq_skew":1.577054,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733580,"usec":576106},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.098358,"noise_level":-26.207462,"freq_skew":2.062407,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733581,"usec":337988},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.675596,"noise_level":-25.910837,"freq_skew":1.740406,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[21,82]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733581,"usec":338255},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.051381,"noise_level":-26.626076,"freq_skew":2.603318,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":797,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[71,193,240,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733582,"usec":100285},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528380,"noise_level":-26.387251,"freq_skew":1.360071,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":699,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[182,85,222,58]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733582,"usec":101447},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.634152,"noise_level":-26.315067,"freq_skew":1.333346,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[36,192,128,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733582,"usec":108237},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472097,"noise_level":-26.014809,"freq_skew":2.879191,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4079,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[184,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733582,"usec":856640},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.779224,"noise_level":-26.676754,"freq_skew":1.940905,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-7.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733584,"usec":385006},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823952,"noise_level":-26.309080,"freq_skew":2.525467,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"EC45FP","msg_num":"F14","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,51,2100029CD0"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733584,"usec":385790},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456076,"noise_level":-26.273235,"freq_skew":-0.390947,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":673,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[183,198]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733584,"usec":385893},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.202504,"noise_level":-26.273235,"freq_skew":0.715104,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":52190,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733585,"usec":150669},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.010019,"noise_level":-26.336380,"freq_skew":-1.355657,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[228,196,73,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733585,"usec":151694},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316769,"noise_level":-26.318380,"freq_skew":1.473141,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GXK","mode":"2","label":"B9","blk_id":"6","ack":"!","flight":"FR0652","msg_num":"M97","msg_num_seq":"A","msg_text":"/LPPT.TI2/024LPPTA93DE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733585,"usec":902864},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.110293,"noise_level":-26.140438,"freq_skew":0.586580,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733585,"usec":909676},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.931679,"noise_level":-25.948820,"freq_skew":0.705530,"avlc":{"src":{"addr":"4D2304","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733585,"usec":910135},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.120768,"noise_level":-25.931606,"freq_skew":0.009866,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-GTS","mode":"2","label":"5U","blk_id":"7","ack":"!","flight":"TP38KJ","msg_num":"M06","msg_num_seq":"A","msg_text":"  01 WXRQ   38KJ/28 LPPT/LEBL .9H-GTS\r\n/TYP 1/STA LEBL/STA     /STA     "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733585,"usec":910440},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.080120,"noise_level":-25.931606,"freq_skew":1.564609,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[21,82]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733585,"usec":912778},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785992,"noise_level":-25.812069,"freq_skew":0.430625,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":44.100002,"lon":-4.100000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733586,"usec":671344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.189885,"noise_level":-25.610897,"freq_skew":2.518750,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733586,"usec":671808},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.292268,"noise_level":-25.594339,"freq_skew":0.531998,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733586,"usec":673147},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.104285,"noise_level":-25.795132,"freq_skew":0.378884,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVI","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EC49VX","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733586,"usec":673147},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.104285,"noise_level":-25.795132,"freq_skew":0.378884,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000200","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,128,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733586,"usec":677153},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808853,"noise_level":-25.896360,"freq_skew":1.418487,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733586,"usec":678712},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.918293,"noise_level":-25.828129,"freq_skew":0.730754,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-GTS","mode":"2","label":"RA","blk_id":"V","ack":"7","msg_text":"QUGTWTPXA~1\r\nSA 28/20:08\r\nLEBL 282000Z 21006KT 9999 VCSH FEW040TCU\r\n  BKN045 BKN055 26/17 Q1016\r\n  NOSIG\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733587,"usec":431704},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401136,"noise_level":-25.743584,"freq_skew":0.497750,"avlc":{"src":{"addr":"440735","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":902,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43058,"credit":4,"rseq":15,"variable_part_params":[{"name":"atn_checksum","value":[213,124,67,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733587,"usec":433336},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.606202,"noise_level":-25.659855,"freq_skew":-0.150173,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-GTS","mode":"2","label":"_d","blk_id":"8","ack":"V","flight":"TP38KJ","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733587,"usec":437717},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.680011,"noise_level":-25.593449,"freq_skew":2.818027,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4080,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[147,18]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733587,"usec":443186},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.251052,"noise_level":-25.445864,"freq_skew":0.517458,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733588,"usec":191005},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.194042,"noise_level":-25.316750,"freq_skew":0.604931,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733588,"usec":948968},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.388399,"noise_level":-25.002119,"freq_skew":0.360296,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733588,"usec":955912},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.430610,"noise_level":-24.758373,"freq_skew":-0.078994,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":673,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[183,198]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733590,"usec":473037},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.536498,"noise_level":-24.149294,"freq_skew":0.720470,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":130,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[173,106,40,147]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":9}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFRR","facility_name":"BREST","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.240000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733590,"usec":473797},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.281864,"noise_level":-24.900822,"freq_skew":1.541858,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-8.500000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733590,"usec":478427},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.884730,"noise_level":-24.885309,"freq_skew":1.519565,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[21,82]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733590,"usec":479134},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.216348,"noise_level":-24.854874,"freq_skew":0.644529,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2786,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43240,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[203,252,118,30]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43240,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[56,37,18,133]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733591,"usec":240600},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.534952,"noise_level":-24.674477,"freq_skew":0.464736,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18346,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":130,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[55,195,238,124]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733591,"usec":241155},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.894780,"noise_level":-24.659613,"freq_skew":1.387038,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733591,"usec":242385},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.317489,"noise_level":-24.629957,"freq_skew":0.894005,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-4.800000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733591,"usec":246577},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.822765,"noise_level":-24.790781,"freq_skew":1.816108,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-7.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":5215},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340350,"noise_level":-24.760675,"freq_skew":1.690161,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127720","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,208,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":8917},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616715,"noise_level":-24.611698,"freq_skew":-1.165877,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":715,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[128,218,127,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":9333},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.227550,"noise_level":-24.596937,"freq_skew":1.857884,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"VY04LJ","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":9333},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.227550,"noise_level":-24.596937,"freq_skew":1.857884,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,68,9,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":9541},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.231881,"noise_level":-24.596937,"freq_skew":0.668542,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":10203},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418502,"noise_level":-24.567497,"freq_skew":1.701638,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GXK","mode":"2","label":"_d","blk_id":"8","ack":"N","flight":"FR0652","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":10627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.150361,"noise_level":-24.552813,"freq_skew":0.720429,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":13082},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.185228,"noise_level":-24.465229,"freq_skew":1.444512,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":700,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30423,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[5,154,128,6]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":13333},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.872626,"noise_level":-24.450718,"freq_skew":0.690465,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":2787,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":758874},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.988807,"noise_level":-24.407328,"freq_skew":-0.248125,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":884,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[184,197,178,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":761175},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.852785,"noise_level":-24.306917,"freq_skew":-2.497993,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":681,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1492,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,195,26,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":763531},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.173216,"noise_level":-24.221767,"freq_skew":1.952477,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":764686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.214080,"noise_level":-24.179504,"freq_skew":0.551827,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733592,"usec":765085},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700395,"noise_level":-24.179504,"freq_skew":-1.184655,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733593,"usec":524515},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.263449,"noise_level":-25.030094,"freq_skew":-0.281365,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":673,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[183,198]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733593,"usec":531699},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785876,"noise_level":-25.642242,"freq_skew":2.554337,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":341,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733594,"usec":292347},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.270658,"noise_level":-25.380133,"freq_skew":1.878854,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-8.400001},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733594,"usec":292953},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.592436,"noise_level":-25.347918,"freq_skew":2.559362,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"3","ack":"O","flight":"EC45FP","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733594,"usec":296408},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.759112,"noise_level":-25.236095,"freq_skew":0.636397,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2788,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43240,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[169,159,112,182]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733594,"usec":298107},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.354534,"noise_level":-25.881008,"freq_skew":0.685812,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18352,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[2,244,69,103]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":50384},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.795801,"noise_level":-25.881008,"freq_skew":0.744103,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2789,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30661,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[247,92,163,63]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":51524},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.559973,"noise_level":-25.812897,"freq_skew":-2.086827,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[153,196,103,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":52036},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.506248,"noise_level":-25.795954,"freq_skew":0.576082,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":130,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[140,144,33,39]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":54693},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.343490,"noise_level":-25.694971,"freq_skew":0.457731,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18354,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43240,"dst_ref":130,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[209,22,76,13]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":56257},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.157946,"noise_level":-25.644917,"freq_skew":2.599635,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EC45FP","msg_num":"F15","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN42224W003024,N42257W002520,201312,390,N42021W004068,202027,ZMR,M51,31435,71469B"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":57555},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304687,"noise_level":-25.611706,"freq_skew":0.609116,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":59327},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.441608,"noise_level":-26.293434,"freq_skew":0.568813,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":69,"credit":10,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[104,230,35,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":59428},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986324,"noise_level":-26.293434,"freq_skew":0.461726,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32853,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[12,20,145,63]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":59428},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.986324,"noise_level":-26.293434,"freq_skew":0.461726,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32854,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":131,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[178,144,164,127]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":810621},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.014050,"noise_level":-26.239822,"freq_skew":1.144954,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":716,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[140,16,78,173]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":811665},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.300967,"noise_level":-26.186539,"freq_skew":1.521927,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127720","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,208,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":812877},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.394124,"noise_level":-26.133577,"freq_skew":0.645984,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":130,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[140,144,33,39]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":812877},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.394124,"noise_level":-26.133577,"freq_skew":0.645984,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":814801},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.493407,"noise_level":-26.828636,"freq_skew":0.715291,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":130,"dst_ref":43240,"variable_part_params":[{"name":"atn_checksum","value":[84,86,60,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":817173},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755674,"noise_level":-26.714989,"freq_skew":-0.333845,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWC","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"FR12CD","msg_num":"M42","msg_num_seq":"A","msg_text":"201314,,2209, 156,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":817682},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.225403,"noise_level":-26.696190,"freq_skew":1.255151,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":782,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733595,"usec":818623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.306763,"noise_level":-26.658718,"freq_skew":0.438423,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733596,"usec":572195},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.123878,"noise_level":-26.584253,"freq_skew":1.668285,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GXK","mode":"2","label":"_d","blk_id":"8","ack":"N","flight":"FR0652","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733596,"usec":573646},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.081603,"noise_level":-26.510420,"freq_skew":0.539092,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733597,"usec":334183},"freq":136975000,"burst_len_octets":174,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.146512,"noise_level":-26.426476,"freq_skew":2.413648,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"3","ack":"O","flight":"EC45FP","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733597,"usec":334183},"freq":136975000,"burst_len_octets":174,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.146512,"noise_level":-26.426476,"freq_skew":2.413648,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EC45FP","msg_num":"F15","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN42224W003024,N42257W002520,201312,390,N42021W004068,202027,ZMR,M51,31435,71469B"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733597,"usec":337102},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.041286,"noise_level":-26.335934,"freq_skew":0.991745,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-NSB","mode":"2","label":"36","blk_id":"9","ack":"!","flight":"EI0497","msg_num":"M32","msg_num_seq":"A","msg_text":" \r\n28JUL25,201312,EI-NSB\r\nN 42.805,W  8.880,35996\r\n------,  417125"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":92626},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.658633,"noise_level":-26.104849,"freq_skew":2.236285,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"5","ack":"P","flight":"EC45FP","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":93215},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.924725,"noise_level":-26.087324,"freq_skew":0.152405,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"TP0687","msg_num":"M46","msg_num_seq":"A","msg_text":"/LPPR.TI2/040LPPRA9EFC"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":94411},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914082,"noise_level":-26.421494,"freq_skew":1.448481,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":94844},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577417,"noise_level":-26.403320,"freq_skew":0.694141,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32853,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[12,20,145,63]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":95479},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.102854,"noise_level":-26.367088,"freq_skew":-0.330629,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":96620},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.531885,"noise_level":-26.331003,"freq_skew":0.712393,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32854,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":131,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[178,144,164,127]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":99557},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.954191,"noise_level":-26.223644,"freq_skew":0.741075,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":100292},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.003685,"noise_level":-26.223644,"freq_skew":0.618071,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2791,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[32,137,5,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":859792},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.628726,"noise_level":-26.884369,"freq_skew":0.306415,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-7.500000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":860152},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.833849,"noise_level":-26.865200,"freq_skew":0.686939,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":131,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[10,20,20,28]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFRR,BREST,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":865376},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444452,"noise_level":-26.582657,"freq_skew":0.309265,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVT","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"EC48XR","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":865376},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.444452,"noise_level":-26.582657,"freq_skew":0.309265,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733598,"usec":867194},"freq":136975000,"burst_len_octets":210,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.253773,"noise_level":-26.582657,"freq_skew":2.640526,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"EC45FP","msg_num":"F16","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,51,205916/PR1381,321,390,71,,0,5,,,70,,,M8,M10,38430,,1310,320/RP:DA:LSGG:AA:LPPR..N42021W004068..ZMR.L155..ADORO:A:INKI6C:AP:RNV35.AKULU(35O)46CA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733599,"usec":619350},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719074,"noise_level":-28.173628,"freq_skew":3.310562,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":589,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733599,"usec":625686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.529062,"noise_level":-27.824594,"freq_skew":0.227306,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733599,"usec":626629},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158533,"noise_level":-27.781935,"freq_skew":0.992590,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733599,"usec":627656},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.014916,"noise_level":-27.760681,"freq_skew":1.782203,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFSB"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-1.600000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733600,"usec":380424},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.580296,"noise_level":-28.325279,"freq_skew":-0.579404,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":726,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[106,14,109,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733600,"usec":381148},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923630,"noise_level":-28.302658,"freq_skew":0.491390,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733600,"usec":382827},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.012957,"noise_level":-28.212755,"freq_skew":1.875866,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-AYN","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"DS587H","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733600,"usec":382827},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.012957,"noise_level":-28.212755,"freq_skew":1.875866,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22601175","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,2,125,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733601,"usec":151583},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.821772,"noise_level":-28.529654,"freq_skew":0.361884,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733601,"usec":152217},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.088787,"noise_level":-28.506493,"freq_skew":-2.116614,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"IB0591","msg_num":"D19","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,175905,1,1,TB000000/REP033,00,00,1/                                           "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733601,"usec":155557},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.907491,"noise_level":-28.323412,"freq_skew":0.598820,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":131,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[10,20,20,28]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFRR,BREST,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733601,"usec":155821},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.953725,"noise_level":-28.323412,"freq_skew":0.707612,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[46,53,17,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733601,"usec":907225},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.320489,"noise_level":-28.527279,"freq_skew":1.733106,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733601,"usec":910588},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.848026,"noise_level":-28.321095,"freq_skew":0.596300,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":486,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43160,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[1,76,124,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733601,"usec":912802},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.786538,"noise_level":-28.208626,"freq_skew":0.758836,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2792,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[117,86,55,64]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30661,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[208,188,2,124]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733601,"usec":914917},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155983,"noise_level":-28.119688,"freq_skew":2.060878,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-8.400001},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733602,"usec":661245},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.400525,"noise_level":-27.944498,"freq_skew":0.557442,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32874,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[97,224,195,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733602,"usec":661557},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331689,"noise_level":-28.034515,"freq_skew":0.484814,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733602,"usec":662204},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.858514,"noise_level":-27.990816,"freq_skew":-2.005098,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733602,"usec":663266},"freq":136975000,"burst_len_octets":210,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.210408,"noise_level":-27.925674,"freq_skew":2.626622,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"EC45FP","msg_num":"F16","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,51,205916/PR1381,321,390,71,,0,5,,,70,,,M8,M10,38430,,1310,320/RP:DA:LSGG:AA:LPPR..N42021W004068..ZMR.L155..ADORO:A:INKI6C:AP:RNV35.AKULU(35O)46CA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733602,"usec":663738},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556126,"noise_level":-27.925674,"freq_skew":1.679507,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733602,"usec":663961},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891844,"noise_level":-27.925674,"freq_skew":0.676673,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":52647,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733603,"usec":428171},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.107409,"noise_level":-27.586273,"freq_skew":0.590401,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733603,"usec":430157},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.887633,"noise_level":-27.629211,"freq_skew":0.119135,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"_d","blk_id":"8","ack":"G","flight":"TP0687","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733603,"usec":435411},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722010,"noise_level":-27.381887,"freq_skew":0.006708,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[9,220,134,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733604,"usec":193264},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.506690,"noise_level":-27.280880,"freq_skew":3.008466,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"5U","blk_id":"5","ack":"!","flight":"U268FY","msg_num":"M78","msg_num_seq":"A","msg_text":"EGGW EGNX EGKK EGBB-FT"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733604,"usec":948933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.103475,"noise_level":-27.421345,"freq_skew":2.537532,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733604,"usec":951325},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.056588,"noise_level":-27.299728,"freq_skew":0.168880,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"_d","blk_id":"9","ack":"H","flight":"TP0687","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733604,"usec":952455},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.077983,"noise_level":-27.259567,"freq_skew":1.749785,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENJ","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"FR02SM","msg_num":"M05","msg_num_seq":"A","msg_text":"201323,,2214, 177,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733605,"usec":722003},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.387438,"noise_level":-26.678387,"freq_skew":2.072953,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":603,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1561,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[35,70,86,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733606,"usec":478591},"freq":136975000,"burst_len_octets":210,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158682,"noise_level":-26.347473,"freq_skew":2.552250,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"EC45FP","msg_num":"F16","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,51,205916/PR1381,321,390,71,,0,5,,,70,,,M8,M10,38430,,1310,320/RP:DA:LSGG:AA:LPPR..N42021W004068..ZMR.L155..ADORO:A:INKI6C:AP:RNV35.AKULU(35O)46CA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733606,"usec":482649},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275919,"noise_level":-26.204353,"freq_skew":0.047396,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733606,"usec":482649},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.275919,"noise_level":-26.204353,"freq_skew":0.047396,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733606,"usec":482649},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.275919,"noise_level":-26.204353,"freq_skew":0.047396,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"AF1358","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733607,"usec":240966},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.879644,"noise_level":-26.895561,"freq_skew":0.311805,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":44.100002,"lon":-4.000000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733607,"usec":241099},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486651,"noise_level":-27.649508,"freq_skew":0.793857,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":537,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[232,245,0,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733607,"usec":243198},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.608184,"noise_level":-27.566088,"freq_skew":1.733982,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733607,"usec":245541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.299048,"noise_level":-27.483461,"freq_skew":2.288100,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733607,"usec":247017},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.543963,"noise_level":-27.422001,"freq_skew":0.753792,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-4.800000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733607,"usec":999691},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.187613,"noise_level":-27.692089,"freq_skew":0.467254,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVI","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"EC49VX","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733607,"usec":999691},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.187613,"noise_level":-27.692089,"freq_skew":0.467254,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000200","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,128,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733608,"usec":2452},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722221,"noise_level":-27.525234,"freq_skew":3.072376,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"5U","blk_id":"5","ack":"!","flight":"U268FY","msg_num":"M78","msg_num_seq":"A","msg_text":"EGGW EGNX EGKK EGBB-FT"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733608,"usec":6354},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.592269,"noise_level":-28.000505,"freq_skew":3.149655,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"6","ack":"O","flight":"U268FY","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733608,"usec":8032},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168065,"noise_level":-29.060354,"freq_skew":2.156500,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":587,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[67,104,232,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733608,"usec":8569},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.234336,"noise_level":-29.035738,"freq_skew":2.297180,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733608,"usec":763638},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.006643,"noise_level":-28.793343,"freq_skew":-0.893378,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":557,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,72,226,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733608,"usec":763876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.119523,"noise_level":-28.769472,"freq_skew":0.434127,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733608,"usec":768662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.151256,"noise_level":-28.488016,"freq_skew":3.530755,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733609,"usec":528381},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298519,"noise_level":-28.501455,"freq_skew":1.829172,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733609,"usec":528499},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224753,"noise_level":-28.501455,"freq_skew":-0.543825,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":727,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43221,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[64,230,62,43]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733609,"usec":530047},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.512351,"noise_level":-29.015989,"freq_skew":2.939745,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"7","ack":"P","flight":"U268FY","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733610,"usec":282547},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.819445,"noise_level":-28.585392,"freq_skew":0.466558,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733610,"usec":284699},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.564751,"noise_level":-28.446474,"freq_skew":0.130944,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733610,"usec":286068},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.186577,"noise_level":-28.355082,"freq_skew":1.796458,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-8.400001},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733610,"usec":287354},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.570761,"noise_level":-28.287161,"freq_skew":0.561844,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[128,14,100,92]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733610,"usec":289264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.170159,"noise_level":-28.175127,"freq_skew":-0.668109,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733610,"usec":290076},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.712981,"noise_level":-28.130714,"freq_skew":0.533731,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[218,191,104,121]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733611,"usec":52094},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.345808,"noise_level":-27.847446,"freq_skew":1.808170,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"U212RW","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733611,"usec":55184},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403092,"noise_level":-27.677610,"freq_skew":2.170024,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20064414","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,105,12,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733611,"usec":812768},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491734,"noise_level":-27.388161,"freq_skew":1.115993,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733612,"usec":569455},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686461,"noise_level":-27.049179,"freq_skew":-1.243115,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[237,243,18,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733612,"usec":570592},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.027712,"noise_level":-26.990707,"freq_skew":1.947615,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733612,"usec":570968},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254033,"noise_level":-27.447033,"freq_skew":-1.466346,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LO05JL","msg_num":"E18","msg_num_seq":"B","sublabel":"EI","msg_text":"2\r\n10 0.0;+0.1;-0.2;0.0;0.0;-0.2\r\n11 +0.1;0.0\r\n12 -0.8;-0.7\r\n13 -1.3;+0.2;-1.3;-0.1\r\n14 -1;+12;+5;-3;+2;+4\r\n15 -6.6;0.00;+1.13;0.0;0.0\r\n16 -6.7;0.00;+1.12;0.0;0.0\r\n17 -6.5;-0.01;+1.0;+1.0\r\n18 -6.7\r\n19 NORMA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733612,"usec":574169},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980931,"noise_level":-27.544704,"freq_skew":1.719134,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733612,"usec":576225},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118089,"noise_level":-27.421358,"freq_skew":2.169563,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733613,"usec":337472},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.865705,"noise_level":-26.906223,"freq_skew":2.584063,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":333,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[78,30,34,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733614,"usec":100805},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.513976,"noise_level":-26.622360,"freq_skew":2.870248,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"8","ack":"Q","flight":"U268FY","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733614,"usec":105264},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.410974,"noise_level":-27.271910,"freq_skew":-1.446396,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LO05JL","msg_num":"E18","msg_num_seq":"C","sublabel":"EI","msg_text":"L;NO ACTIVITY;\r\n20 0.0;;\r\n21 0.0;ENGAGED;;\r\n22 ;28;JUL;25;20:12:41\r\nRPT13;PG2;REAL;SW030M1R\r\n1  \r\n2  \r\n3  242.3;-1.60;5043;243.9;-2.33\r\n4  247.7;-1.56;4972;247.6;-2.31\r\n5  243.5;-1.57;4991;241.6;+0.03;BRK\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733614,"usec":849894},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.978658,"noise_level":-27.723848,"freq_skew":1.804715,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-6.900000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733614,"usec":851583},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.486689,"noise_level":-28.492775,"freq_skew":0.176381,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733614,"usec":851821},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.949992,"noise_level":-28.759396,"freq_skew":0.500703,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733614,"usec":854080},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477670,"noise_level":-28.594296,"freq_skew":2.977065,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"9","ack":"R","flight":"U268FY","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733614,"usec":856759},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158375,"noise_level":-28.455238,"freq_skew":1.793954,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"VY04LJ","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733614,"usec":856759},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.158375,"noise_level":-28.455238,"freq_skew":1.793954,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,68,9,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733614,"usec":857849},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.639294,"noise_level":-28.409374,"freq_skew":2.303234,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[70,196,174,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733615,"usec":616430},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466441,"noise_level":-28.386534,"freq_skew":-0.525076,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":38.799999,"lon":-4.600000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733615,"usec":616666},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.762344,"noise_level":-28.386534,"freq_skew":0.583926,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733615,"usec":617921},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642261,"noise_level":-28.318367,"freq_skew":-1.240773,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[237,243,18,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733615,"usec":619215},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435247,"noise_level":-28.228304,"freq_skew":1.598161,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"TP048M","msg_num":"M93","msg_num_seq":"A","msg_text":"201334,35121,2127,459.4, 4810,N4037.04 W00141.94"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733615,"usec":620301},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.469506,"noise_level":-28.161364,"freq_skew":0.657785,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733615,"usec":622456},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.252130,"noise_level":-28.050934,"freq_skew":1.822316,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733615,"usec":623368},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.342660,"noise_level":-28.029013,"freq_skew":0.713727,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52414,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[162,127,5,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733615,"usec":623472},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.810083,"noise_level":-28.029013,"freq_skew":0.459037,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733616,"usec":383099},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.137143,"noise_level":-27.877111,"freq_skew":1.862539,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733616,"usec":383757},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.641435,"noise_level":-27.834194,"freq_skew":1.841394,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1509,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,16,171,95]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733616,"usec":384689},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.519085,"noise_level":-27.791485,"freq_skew":0.452652,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733616,"usec":387974},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920419,"noise_level":-28.280333,"freq_skew":1.640955,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[254,120,17,12]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43129,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[178,133,107,103]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":11,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733616,"usec":389042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.350863,"noise_level":-28.548580,"freq_skew":2.688164,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733616,"usec":392712},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.652022,"noise_level":-28.341896,"freq_skew":2.351252,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":333,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[78,30,34,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733617,"usec":143184},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.129744,"noise_level":-28.319229,"freq_skew":0.464734,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733617,"usec":146012},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.197377,"noise_level":-28.140011,"freq_skew":2.023372,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733617,"usec":905303},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.195077,"noise_level":-28.251810,"freq_skew":0.957769,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1744,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733617,"usec":905493},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.875226,"noise_level":-28.229380,"freq_skew":0.588301,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-4.800000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733617,"usec":912130},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.360392,"noise_level":-27.835220,"freq_skew":0.530251,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733617,"usec":912596},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625912,"noise_level":-27.813837,"freq_skew":0.577080,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"DS34XD","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733617,"usec":912596},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.625912,"noise_level":-27.813837,"freq_skew":0.577080,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,101,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733618,"usec":664103},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.733597,"noise_level":-28.874014,"freq_skew":2.552106,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[70,196,174,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733618,"usec":670199},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.975528,"noise_level":-28.911556,"freq_skew":0.909658,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,92,22,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733619,"usec":432156},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.719147,"noise_level":-28.578768,"freq_skew":0.759474,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733619,"usec":432360},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.366870,"noise_level":-29.132689,"freq_skew":-1.393124,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[237,243,18,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733619,"usec":432675},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584347,"noise_level":-29.132689,"freq_skew":-1.734584,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LO05JL","msg_num":"E18","msg_num_seq":"D","sublabel":"EI","msg_text":"6  242.9;+0.03;BRK;243.0;+0.03;BRK\r\n7  241.3;+0.08;BRK;243.4;-1.58\r\n8  247.5;-2.30;247.6;-1.55\r\n9  243.9;-2.35;ON;ON;ON;ON;242.4;-1.59\r\n10 +0.03;-0.01;+0.10;+0.12\r\n11 +4329;+4150;+4194;+4045\r\n12 -0.09;-0.07"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733619,"usec":434071},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.337364,"noise_level":-29.033823,"freq_skew":0.466639,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[9,133,13,226]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733619,"usec":440474},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898244,"noise_level":-28.839413,"freq_skew":0.753172,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":641,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43215,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[46,96,199,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733620,"usec":194516},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.238082,"noise_level":-28.371605,"freq_skew":0.530748,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733620,"usec":197169},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.115235,"noise_level":-28.258486,"freq_skew":1.617021,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733620,"usec":957617},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.140796,"noise_level":-27.841583,"freq_skew":2.530784,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCRR"},{"name":"ac_location","value":{"loc":{"lat":42.900002,"lon":-6.500000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733620,"usec":957617},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.140796,"noise_level":-27.841583,"freq_skew":2.530784,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"U285XQ","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733620,"usec":957617},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.140796,"noise_level":-27.841583,"freq_skew":2.530784,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062072","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,100,58,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733620,"usec":958851},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.400833,"noise_level":-27.777548,"freq_skew":1.865847,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"TP048M","msg_num":"M93","msg_num_seq":"A","msg_text":"201334,35121,2127,459.4, 4810,N4037.04 W00141.94"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733620,"usec":960367},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292898,"noise_level":-27.692894,"freq_skew":-1.589761,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"LO05JL","msg_num":"E18","msg_num_seq":"E","sublabel":"EI","msg_text":";-0.10;-0.09\r\n13 -1393;-1337;-1449;-1550\r\n14 53.1;35.2;-0.02;+19;53.3;34.8\r\n15 53.5;37.1;-0.01;-82;53.2;34.3\r\n16 -0.02;-34\r\n17 -0.028;8.05\r\n18 0.108;8.09;ACT;52.3;40.5\r\n19 0.129;8.04;ACT;52.1;42.0\r\n20 +0.19"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733621,"usec":716718},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640705,"noise_level":-27.650875,"freq_skew":2.284100,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[70,196,174,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733621,"usec":725745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.344588,"noise_level":-27.241501,"freq_skew":2.464650,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733622,"usec":470384},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.406449,"noise_level":-27.142103,"freq_skew":0.608641,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18396,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[199,91,61,48]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733622,"usec":471466},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.431273,"noise_level":-27.711098,"freq_skew":0.371190,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":378,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,48,22,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733622,"usec":472073},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.874531,"noise_level":-27.690020,"freq_skew":-0.072152,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":108,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[96,6,100,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733623,"usec":237950},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.410627,"noise_level":-27.543449,"freq_skew":-0.583218,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":38.799999,"lon":-4.600000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733623,"usec":238081},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467387,"noise_level":-27.543449,"freq_skew":2.452971,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733623,"usec":239618},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.253874,"noise_level":-27.848373,"freq_skew":0.656905,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733623,"usec":239805},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826793,"noise_level":-27.848373,"freq_skew":0.669477,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"H1","blk_id":"R","ack":"!","msg_text":".HAM60LH 282013 MESX142 JUL25\r\nDFD\r\nAN G-TTNO\r\n- #DFREQ19"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733623,"usec":246162},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.321187,"noise_level":-28.257927,"freq_skew":2.489948,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSN","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FRRYS7","msg_num":"M49","msg_num_seq":"A","msg_text":"201341,M118128,2307, 226,N 39.076 W  4.380"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733623,"usec":246467},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614072,"noise_level":-28.235481,"freq_skew":-1.434822,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"LO05JL","msg_num":"E18","msg_num_seq":"F","sublabel":"EI","msg_text":";+0.19;+0.18;+0.19\r\n21 +466;+600;+451;+466\r\n22 ;28;JUL;25;20:12:41\r\nRPT13;PG3;REAL;SW030M1R\r\n1  AUTO;AUTO;AUTO;AUTO\r\n2  NORM;NORM;NORM;NORM\r\n3  LOW\r\n4  NO\r\n5  NO\r\n6  NO\r\n7  NO\r\n8  NO\r\n9  NO\r\n10 NO\r\n11 NO\r\n1"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733624,"usec":7393},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.919478,"noise_level":-27.629423,"freq_skew":-0.325646,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":885,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733624,"usec":766273},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.589228,"noise_level":-27.484293,"freq_skew":0.354141,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733624,"usec":766553},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103400,"noise_level":-27.484293,"freq_skew":2.411960,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[70,196,174,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733624,"usec":768403},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.678224,"noise_level":-27.499401,"freq_skew":2.408354,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"7","ack":"Q","flight":"EC45FP","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733624,"usec":769376},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.652630,"noise_level":-27.437830,"freq_skew":1.005610,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":783,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[211,185,60,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733625,"usec":520016},"freq":136975000,"burst_len_octets":257,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432556,"noise_level":-27.175957,"freq_skew":-1.505549,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LO05JL","msg_num":"E18","msg_num_seq":"G","sublabel":"EI","msg_text":"2 NO\r\n13 NO\r\n14 NO\r\n15 NO\r\n16 NO\r\n17 YES\r\n18 ENGD\r\n19 YES\r\n20 ENGD\r\n21 NO\r\n22 NO\r\n23 NO\r\n24 NO\r\n25 NO\r\n26 NO\r\n27 NO\r\n28 NO\r\n29 ;28;JUL;25;20:12:41\r\nRPT13;PG4;REAL;SW030M1R\r\n1  NO;NO\r\n2  NO;NO\r\n3  NORMAL;NOR"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733625,"usec":527177},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659782,"noise_level":-26.787888,"freq_skew":2.250894,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733626,"usec":285743},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350706,"noise_level":-26.693518,"freq_skew":-1.769899,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LO05JL","msg_num":"E18","msg_num_seq":"H","sublabel":"EI","msg_text":"MAL\r\n4  SELECTED;SELECTED;SELECTED\r\n5  AVAILABLE;AVAILABLE;SELECTED;AVAILABLE\r\n6  AVAILABLE;AVAILABLE\r\n7  AVAILABLE;AVAILABLE\r\n8  31.7;31.7;30.8;31.7\r\n9  234\r\n10 28.0;27.9;234\r\n11 0.0;0.0;234\r\n12 0.2;0.0;23"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733626,"usec":287060},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.448059,"noise_level":-27.171394,"freq_skew":2.416852,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733626,"usec":287276},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923779,"noise_level":-27.171394,"freq_skew":0.460103,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"H1","blk_id":"R","ack":"!","msg_text":".HAM60LH 282013 MESX142 JUL25\r\nDFD\r\nAN G-TTNO\r\n- #DFREQ19"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733626,"usec":289137},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.617135,"noise_level":-27.558184,"freq_skew":0.711082,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"4","ack":"R","flight":"BA465M","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733626,"usec":290661},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155756,"noise_level":-27.496195,"freq_skew":1.603588,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"TP048M","msg_num":"M93","msg_num_seq":"A","msg_text":"201334,35121,2127,459.4, 4810,N4037.04 W00141.94"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733626,"usec":292802},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730292,"noise_level":-27.455116,"freq_skew":1.325713,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":784,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23071,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[209,37,250,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733627,"usec":50318},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500142,"noise_level":-27.212631,"freq_skew":0.652135,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":53329,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733627,"usec":52249},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.148077,"noise_level":-27.153053,"freq_skew":0.541545,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733627,"usec":57492},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.096674,"noise_level":-26.880302,"freq_skew":-1.494191,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LO05JL","msg_num":"E18","msg_num_seq":"I","sublabel":"EI","msg_text":"RPT13;PG1;REAL;SW030M1R\r\n1  \r\n2  \r\n3  -5.3;+2.2;257\r\n4  40000\r\n5  0.0;0.0;0.0;0.0;-0.2\r\n6  -0.1;+0.1;+0.1;+0.1;+0.1\r\n7  -0.2;-0.2;-0.2;-0.3;-0.2\r\n8  0.0;+0.1;-0.1;-0.1;0.0;-0.1\r\n9  0.0;+0.1;-0.2;0.0;0.0;-0.2\r\n10 0.0;+0.1;-0.2;0.0;0.0;-0.2\r\n11 +0.1;0.0\r\n12 -0.8;-0.7\r\n13 -1.3;+0.2;-1.3;-0.1\r\n14 -1;+12;+5;-3;+2;+4\r\n15 -6.6;0.00;+1.13;0.0;0.0\r\n16 -6.7;0.00;+1.12;0.0;0.0\r\n17 -6.5;-0.01;+1.0;+1.0\r\n18 -6.7\r\n19 NORMAL;NO ACTIVITY;\r\n20 0.0;;\r\n21 0.0;ENGAGED;;\r\n22 ;28;JUL;25;20:12:41\r\nRPT13;PG2;REAL;SW030M1R\r\n1  \r\n2  \r\n3  242.3;-1.60;5043;243.9;-2.33\r\n4  247.7;-1.56;4972;247.6;-2.31\r\n5  243.5;-1.57;4991;241.6;+0.03;BRK\r\n6  242.9;+0.03;BRK;243.0;+0.03;BRK\r\n7  241.3;+0.08;BRK;243.4;-1.58\r\n8  247.5;-2.30;247.6;-1.55\r\n9  243.9;-2.35;ON;ON;ON;ON;242.4;-1.59\r\n10 +0.03;-0.01;+0.10;+0.12\r\n11 +4329;+4150;+4194;+4045\r\n12 -0.09;-0.07;-0.10;-0.09\r\n13 -1393;-1337;-1449;-1550\r\n14 53.1;35.2;-0.02;+19;53.3;34.8\r\n15 53.5;37.1;-0.01;-82;53.2;34.3\r\n16 -0.02;-34\r\n17 -0.028;8.05\r\n18 0.108;8.09;ACT;52.3;40.5\r\n19 0.129;8.04;ACT;52.1;42.0\r\n20 +0.19;+0.19;+0.18;+0.19\r\n21 +466;+600;+451;+466\r\n22 ;28;JUL;25;20:12:41\r\nRPT13;PG3;REAL;SW030M1R\r\n1  AUTO;AUTO;AUTO;AUTO\r\n2  NORM;NORM;NORM;NORM\r\n3  LOW\r\n4  NO\r\n5  NO\r\n6  NO\r\n7  NO\r\n8  NO\r\n9  NO\r\n10 NO\r\n11 NO\r\n12 NO\r\n13 NO\r\n14 NO\r\n15 NO\r\n16 NO\r\n17 YES\r\n18 ENGD\r\n19 YES\r\n20 ENGD\r\n21 NO\r\n22 NO\r\n23 NO\r\n24 NO\r\n25 NO\r\n26 NO\r\n27 NO\r\n28 NO\r\n29 ;28;JUL;25;20:12:41\r\nRPT13;PG4;REAL;SW030M1R\r\n1  NO;NO\r\n2  NO;NO\r\n3  NORMAL;NORMAL\r\n4  SELECTED;SELECTED;SELECTED\r\n5  AVAILABLE;AVAILABLE;SELECTED;AVAILABLE\r\n6  AVAILABLE;AVAILABLE\r\n7  AVAILABLE;AVAILABLE\r\n8  31.7;31.7;30.8;31.7\r\n9  234\r\n10 28.0;27.9;234\r\n11 0.0;0.0;234\r\n12 0.2;0.0;234\r\n13 23.8;27.5\r\n14 ;28;JUL;25;20:12:41\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733627,"usec":811295},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.684116,"noise_level":-26.615858,"freq_skew":2.423759,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[70,196,174,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733627,"usec":813044},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864151,"noise_level":-27.039412,"freq_skew":0.770633,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733627,"usec":813476},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945552,"noise_level":-27.000429,"freq_skew":1.617691,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":868,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733627,"usec":815158},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744868,"noise_level":-26.922989,"freq_skew":2.298678,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[122,179,235,194]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[94,199,154,15]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733628,"usec":577673},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141189,"noise_level":-26.582809,"freq_skew":-2.449888,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733629,"usec":335420},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.069538,"noise_level":-26.255451,"freq_skew":-0.459097,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":592,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733629,"usec":337003},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719302,"noise_level":-26.166664,"freq_skew":2.267857,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733629,"usec":339205},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581356,"noise_level":-26.096283,"freq_skew":-1.488676,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733630,"usec":95648},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.323928,"noise_level":-25.905626,"freq_skew":0.660069,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"346648","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733630,"usec":97659},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864046,"noise_level":-25.803368,"freq_skew":1.615206,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":60999,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[227,99,202,92]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733630,"usec":101909},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.046539,"noise_level":-25.652203,"freq_skew":1.318888,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":784,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23071,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[209,37,250,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733630,"usec":855640},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417074,"noise_level":-26.005798,"freq_skew":2.173619,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733630,"usec":861996},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.111313,"noise_level":-25.715868,"freq_skew":1.935252,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733631,"usec":619709},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.783974,"noise_level":-25.632404,"freq_skew":2.587929,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[70,196,174,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733631,"usec":621578},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031090,"noise_level":-26.168659,"freq_skew":-0.624118,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":38.799999,"lon":-4.600000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733631,"usec":626530},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737491,"noise_level":-25.959158,"freq_skew":1.464684,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":177,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[116,27,107,80]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733631,"usec":626981},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.061060,"noise_level":-25.941925,"freq_skew":-0.645800,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NPC","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"V73571","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733631,"usec":628839},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388223,"noise_level":-25.890430,"freq_skew":-0.665023,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15063110","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,79,69,0,52,102,72,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733632,"usec":380397},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655952,"noise_level":-25.839241,"freq_skew":2.322970,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":539,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[64,239,239,174]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733632,"usec":391539},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574569,"noise_level":-26.219090,"freq_skew":1.614715,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"TP048M","msg_num":"M93","msg_num_seq":"A","msg_text":"201334,35121,2127,459.4, 4810,N4037.04 W00141.94"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733633,"usec":142778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.668292,"noise_level":-26.113094,"freq_skew":-0.558072,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733633,"usec":146529},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472132,"noise_level":-25.956493,"freq_skew":0.458187,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32954,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[3,133,179,85]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733633,"usec":147103},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885736,"noise_level":-25.939266,"freq_skew":0.530168,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":487,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[56,121,160,57]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733633,"usec":148755},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.089367,"noise_level":-25.853638,"freq_skew":0.620044,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":488,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[221,201,130,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733633,"usec":906440},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.998768,"noise_level":-25.718367,"freq_skew":2.305056,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733633,"usec":907252},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575286,"noise_level":-25.684875,"freq_skew":-1.738433,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"LO05JL","msg_num":"E19","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT01;PG1;REAL;SW030M1RV01\r\n1  METRIC UNITS\r\n2  23;263;263\r\n3  24;24;23;24;23\r\n4  23;24\r\n5  24;23;22;23;22\r\n6  23;22\r\n7  17;26;15;18;9\r\n8  19;14;9;13;9\r\n9  0.15;OFF;OFF;0.24;0.02\r\n10 0.18;0.18;0.02\r\n11 ON;O"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733633,"usec":909597},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.817155,"noise_level":-25.602694,"freq_skew":-0.737318,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733633,"usec":909748},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.594329,"noise_level":-25.602694,"freq_skew":0.618431,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733633,"usec":913457},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.325264,"noise_level":-26.178619,"freq_skew":2.847496,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":783,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[113,211,54,161]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733633,"usec":913685},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.963261,"noise_level":-26.160948,"freq_skew":2.355807,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733634,"usec":669682},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083721,"noise_level":-25.986168,"freq_skew":2.500366,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"82","blk_id":"6","ack":"!","flight":"U285XQ","msg_num":"M72","msg_num_seq":"A","msg_text":"SORRY COLIN. FINGER TROU\r\nBLE. HAVE A NICE EVENING\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733634,"usec":673332},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.130592,"noise_level":-25.814835,"freq_skew":1.472360,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2015,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[179,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733634,"usec":675506},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.151426,"noise_level":-25.747238,"freq_skew":2.427519,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[237,83,230,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733635,"usec":428616},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.911141,"noise_level":-26.420269,"freq_skew":-1.399790,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[38,161,55,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733635,"usec":428833},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612830,"noise_level":-26.420269,"freq_skew":0.953276,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":134,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733635,"usec":428937},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611267,"noise_level":-26.402100,"freq_skew":-1.581400,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LO05JL","msg_num":"E19","msg_num_seq":"B","sublabel":"EI","msg_text":"N;ON\r\n12 ON;ON;ON;ON\r\n13 39.4;39.2;38.8;38.6\r\n14 96;97;92;94\r\n15 1;1;1;1\r\n16 4.1;4.2;4.2;4.3\r\n17 18.1;18.3;17.2;17.7\r\n18 0.20;0.22;0.26;0.23\r\n19 155;153;148;146\r\n20 0.02;0.02;0.02;0.02\r\n21 0.0;0.0;0.0;0.0\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733635,"usec":436337},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.064327,"noise_level":-26.169270,"freq_skew":-2.291677,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":571,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43100,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[107,27,19,15]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43100,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[119,229,116,26]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":54}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733636,"usec":190979},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737878,"noise_level":-25.942520,"freq_skew":0.398116,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[252,165,137,252]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733636,"usec":191896},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482034,"noise_level":-25.891022,"freq_skew":-1.697943,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LO05JL","msg_num":"E19","msg_num_seq":"C","sublabel":"EI","msg_text":"22 0.26;0.26;0.31;0.31\r\n23 OFF;OFF\r\n24 ;28;JUL;25;20:12:46\r\nRPT01;PG2;REAL;SW030M1RV01\r\n1  METRIC UNITS\r\n2  56.1;56.0;0.99;0.98\r\n3  59.0;59.9;0.62;0.62\r\n4  66;45;0.98;0.98\r\n5  -7;-15;0.63;0.48\r\n6  17;14;0.8"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733636,"usec":196635},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.430172,"noise_level":-25.704769,"freq_skew":2.269135,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733636,"usec":956715},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.708182,"noise_level":-26.218004,"freq_skew":2.372264,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-3.100000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733636,"usec":956879},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.157827,"noise_level":-26.200253,"freq_skew":0.660621,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733636,"usec":957900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.166991,"noise_level":-26.164852,"freq_skew":-2.402700,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733636,"usec":959517},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.782689,"noise_level":-26.076984,"freq_skew":1.482949,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":748,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733636,"usec":962718},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912153,"noise_level":-26.530077,"freq_skew":0.174870,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":747,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,111,71,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733637,"usec":713516},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.271666,"noise_level":-26.222424,"freq_skew":0.433707,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733637,"usec":714959},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386001,"noise_level":-26.186935,"freq_skew":-1.568849,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LO05JL","msg_num":"E19","msg_num_seq":"D","sublabel":"EI","msg_text":"3;0.66\r\n7  13;4;0.02;0.01\r\n8  5.1;5.1;10.9;10.6\r\n9  0.20;0.96;7.0;8.9\r\n10 CONTROL;TRACKING;CONTROL;TRACKING\r\n11 27;29;90\r\n12 71;98;1\r\n13 40000;CRUISE\r\n14 257;-54\r\n15 NORM;NORM\r\n16 NORM;NORM\r\n17 NORM;NORM\r\n1"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733637,"usec":715774},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.492692,"noise_level":-26.405973,"freq_skew":0.513940,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733638,"usec":476384},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.379127,"noise_level":-26.393774,"freq_skew":3.046429,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":783,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[113,211,54,161]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733638,"usec":482395},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.778211,"noise_level":-26.108360,"freq_skew":0.334454,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733638,"usec":482639},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.145168,"noise_level":-26.108360,"freq_skew":0.451419,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733639,"usec":238258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336432,"noise_level":-26.218109,"freq_skew":1.569028,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733639,"usec":239845},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.211897,"noise_level":-26.407913,"freq_skew":0.420511,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OOC","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"V72407","msg_num":"M13","msg_num_seq":"A","msg_text":"201358,38011,2135, 119,N 43.939 W  4.221"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733639,"usec":240474},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.832968,"noise_level":-26.389771,"freq_skew":0.296659,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[252,165,137,252]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733639,"usec":240912},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.190552,"noise_level":-26.389771,"freq_skew":-1.681399,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LO05JL","msg_num":"E19","msg_num_seq":"E","sublabel":"EI","msg_text":"RPT01;PG1;REAL;SW030M1RV01\r\n1  METRIC UNITS\r\n2  23;263;263\r\n3  24;24;23;24;23\r\n4  23;24\r\n5  24;23;22;23;22\r\n6  23;22\r\n7  17;26;15;18;9\r\n8  19;14;9;13;9\r\n9  0.15;OFF;OFF;0.24;0.02\r\n10 0.18;0.18;0.02\r\n11 ON;ON;ON\r\n12 ON;ON;ON;ON\r\n13 39.4;39.2;38.8;38.6\r\n14 96;97;92;94\r\n15 1;1;1;1\r\n16 4.1;4.2;4.2;4.3\r\n17 18.1;18.3;17.2;17.7\r\n18 0.20;0.22;0.26;0.23\r\n19 155;153;148;146\r\n20 0.02;0.02;0.02;0.02\r\n21 0.0;0.0;0.0;0.0\r\n22 0.26;0.26;0.31;0.31\r\n23 OFF;OFF\r\n24 ;28;JUL;25;20:12:46\r\nRPT01;PG2;REAL;SW030M1RV01\r\n1  METRIC UNITS\r\n2  56.1;56.0;0.99;0.98\r\n3  59.0;59.9;0.62;0.62\r\n4  66;45;0.98;0.98\r\n5  -7;-15;0.63;0.48\r\n6  17;14;0.83;0.66\r\n7  13;4;0.02;0.01\r\n8  5.1;5.1;10.9;10.6\r\n9  0.20;0.96;7.0;8.9\r\n10 CONTROL;TRACKING;CONTROL;TRACKING\r\n11 27;29;90\r\n12 71;98;1\r\n13 40000;CRUISE\r\n14 257;-54\r\n15 NORM;NORM\r\n16 NORM;NORM\r\n17 NORM;NORM\r\n18 NORM;NORM\r\n19 ;28;JUL;25;20:12:46"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733640,"usec":7713},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563414,"noise_level":-25.982559,"freq_skew":-0.242683,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733640,"usec":7980},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.844726,"noise_level":-25.982559,"freq_skew":0.550109,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CB1","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Request / Broadcast Handoff","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"autotune_freq","value":{"freq_mhz":136.975006,"modulation_support":["VDL-M2, D8PSK, 31500 bps"]}},{"name":"replacement_ground_stations","value":["109F1A"]},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733640,"usec":16410},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.149390,"noise_level":-26.545591,"freq_skew":1.523179,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2016,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[106,218]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733640,"usec":756158},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.081408,"noise_level":-27.584740,"freq_skew":-2.150511,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":572,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43100,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[154,70,178,107]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733640,"usec":756158},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.081408,"noise_level":-27.584740,"freq_skew":-2.150511,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":573,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30679,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[151,230,26,212]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733640,"usec":756552},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.375075,"noise_level":-27.563965,"freq_skew":0.449971,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733640,"usec":758547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.138499,"noise_level":-27.454441,"freq_skew":-1.643988,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733641,"usec":524656},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477348,"noise_level":-27.106247,"freq_skew":0.569164,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":724,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733641,"usec":526233},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480262,"noise_level":-27.047394,"freq_skew":0.538536,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733641,"usec":527871},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.318738,"noise_level":-27.521549,"freq_skew":0.599302,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18416,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[170,94,160,160]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733641,"usec":528864},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764210,"noise_level":-27.500925,"freq_skew":-2.118403,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":187,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733642,"usec":289331},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706693,"noise_level":-27.357906,"freq_skew":-1.177676,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":716,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[173,113,217,71]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733642,"usec":291972},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.990618,"noise_level":-27.461967,"freq_skew":0.516454,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OOC","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"V72407","msg_num":"M13","msg_num_seq":"A","msg_text":"201358,38011,2135, 119,N 43.939 W  4.221"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733642,"usec":292608},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.389848,"noise_level":-27.421051,"freq_skew":0.708665,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OOC","mode":"2","label":"_d","blk_id":"Y","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733642,"usec":295397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.294041,"noise_level":-27.239262,"freq_skew":0.503965,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733643,"usec":43800},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531281,"noise_level":-27.100456,"freq_skew":-0.656796,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NPC","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"V73571","msg_num":"M20","msg_num_seq":"A","msg_text":"201401,32992,2048,  95,N 38.754 W  4.634"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733643,"usec":44340},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.105410,"noise_level":-27.061199,"freq_skew":0.603967,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733643,"usec":47846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.634247,"noise_level":-26.905933,"freq_skew":0.485660,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733643,"usec":52100},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.198768,"noise_level":-26.829327,"freq_skew":-2.141132,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":572,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43100,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[154,70,178,107]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733643,"usec":52950},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485391,"noise_level":-26.791275,"freq_skew":0.284828,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733643,"usec":53338},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.135700,"noise_level":-26.772312,"freq_skew":-2.141117,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":573,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30679,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[151,230,26,212]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":13,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733643,"usec":811957},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.379562,"noise_level":-26.529486,"freq_skew":1.174643,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[12,17,146,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733643,"usec":815566},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.026021,"noise_level":-27.466612,"freq_skew":0.491680,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733643,"usec":821920},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.726561,"noise_level":-27.303993,"freq_skew":-3.103101,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-3.000000},"alt":13000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733643,"usec":824105},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.230082,"noise_level":-28.247360,"freq_skew":-2.247835,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":574,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":68,"dst_ref":43100,"variable_part_params":[{"name":"atn_checksum","value":[183,174,186,241]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733644,"usec":578574},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.154252,"noise_level":-28.003872,"freq_skew":-3.214935,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"IB0657","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733644,"usec":578574},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.154252,"noise_level":-28.003872,"freq_skew":-3.214935,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15011516","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,19,78,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733644,"usec":582114},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615526,"noise_level":-27.873880,"freq_skew":0.877470,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733644,"usec":583883},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877501,"noise_level":-27.873880,"freq_skew":-2.126606,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733644,"usec":583883},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.877501,"noise_level":-27.873880,"freq_skew":-2.126606,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[178,3,171,150]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733644,"usec":584369},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.255439,"noise_level":-27.873880,"freq_skew":-0.435067,"avlc":{"src":{"addr":"346648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733644,"usec":586046},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.982870,"noise_level":-27.767021,"freq_skew":2.623340,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-3.100000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733645,"usec":333385},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.120815,"noise_level":-27.454111,"freq_skew":-3.188084,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733645,"usec":334447},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.033721,"noise_level":-27.413231,"freq_skew":2.439509,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EC45FP","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733645,"usec":334447},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.033721,"noise_level":-27.413231,"freq_skew":2.439509,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006301","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,74,85,0,68,12,193,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733645,"usec":335406},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.554675,"noise_level":-27.352266,"freq_skew":2.935793,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4081,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[173,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733645,"usec":337877},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.225007,"noise_level":-27.332039,"freq_skew":-2.257712,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[8,207,221,65]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30679,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[141,180,139,38]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733646,"usec":100053},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.873171,"noise_level":-27.053699,"freq_skew":2.664874,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4082,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43208,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[60,4]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733646,"usec":104624},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.090904,"noise_level":-26.956415,"freq_skew":-3.129033,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733646,"usec":859264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417062,"noise_level":-27.147583,"freq_skew":2.448039,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733646,"usec":860963},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.962466,"noise_level":-27.844593,"freq_skew":0.135326,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":283,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733646,"usec":861275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796296,"noise_level":-27.823189,"freq_skew":-2.326756,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733646,"usec":862078},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.760471,"noise_level":-27.759287,"freq_skew":-0.099526,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":893,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733646,"usec":865320},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.553106,"noise_level":-27.528927,"freq_skew":0.231032,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733647,"usec":618369},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730143,"noise_level":-27.446651,"freq_skew":0.578355,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733647,"usec":620452},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.411782,"noise_level":-27.807962,"freq_skew":2.826202,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733647,"usec":620959},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976686,"noise_level":-27.765387,"freq_skew":0.402617,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"DS34XD","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733647,"usec":620959},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.976686,"noise_level":-27.765387,"freq_skew":0.402617,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,101,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733647,"usec":623535},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.587854,"noise_level":-27.927971,"freq_skew":0.662963,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733647,"usec":625021},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.605066,"noise_level":-27.906361,"freq_skew":0.562326,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18423,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[169,45,195,67]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFRR","facility_name":"BREST","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":131.280000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733647,"usec":625395},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.215303,"noise_level":-27.884804,"freq_skew":0.198543,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733648,"usec":383672},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176517,"noise_level":-27.382849,"freq_skew":0.502754,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":489,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43160,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[121,40,13,92]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43160,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[6,158,14,124]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733648,"usec":383959},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767381,"noise_level":-27.845089,"freq_skew":0.671973,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"_d","blk_id":"Y","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733649,"usec":146723},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.211689,"noise_level":-27.570841,"freq_skew":0.480978,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[131,2,67,61]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733649,"usec":149812},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.145240,"noise_level":-27.345362,"freq_skew":1.847416,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733649,"usec":900575},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575088,"noise_level":-27.730843,"freq_skew":0.523172,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733650,"usec":666225},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.543105,"noise_level":-27.177713,"freq_skew":0.599691,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733650,"usec":670208},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.317899,"noise_level":-26.981470,"freq_skew":0.604735,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52463,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[86,18,159,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733651,"usec":427394},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.096055,"noise_level":-26.751688,"freq_skew":2.130166,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWL","mode":"2","label":"_d","blk_id":"9","ack":"R","flight":"U229WD","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733651,"usec":427808},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.697970,"noise_level":-26.713974,"freq_skew":0.564975,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733651,"usec":428844},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.902902,"noise_level":-26.657711,"freq_skew":0.617728,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[232,165,193,252]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733651,"usec":431937},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.275351,"noise_level":-26.472752,"freq_skew":0.578467,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"_d","blk_id":"Y","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733652,"usec":193923},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.892765,"noise_level":-26.309589,"freq_skew":0.676552,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733652,"usec":195198},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962175,"noise_level":-26.647455,"freq_skew":-2.546761,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733652,"usec":195305},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.214893,"noise_level":-26.647455,"freq_skew":2.173506,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWL","mode":"2","label":"_d","blk_id":"0","ack":"S","flight":"U229WD","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733652,"usec":195406},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390234,"noise_level":-26.647455,"freq_skew":0.993073,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1404,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[174,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733652,"usec":196828},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.765548,"noise_level":-26.715204,"freq_skew":0.023080,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":893,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733652,"usec":200762},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939603,"noise_level":-26.979321,"freq_skew":-2.255927,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":685,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1492,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[164,188,90,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733652,"usec":945169},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.778649,"noise_level":-26.959942,"freq_skew":0.480228,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733652,"usec":947137},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.507044,"noise_level":-26.844576,"freq_skew":0.457555,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":53971,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733652,"usec":948223},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.379040,"noise_level":-27.479588,"freq_skew":0.690129,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-TTNO","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"BA465M","msg_num":"D39","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,041069,1,1,TB000000/REP019,85,01,1/CCG-TTNO,JUL28,201345,LEMD,EGLL,0465/C0TFC050BA030101/C106,31602,8100,42,0010,0,0100,42,X/CE-180,35981,264,795,6241,307,F22A03/EC59A071,00616,00330,73,15,012/EE59A072"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733653,"usec":714845},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.576512,"noise_level":-27.038870,"freq_skew":0.370522,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733653,"usec":715296},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.251026,"noise_level":-27.077343,"freq_skew":0.533014,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733653,"usec":718218},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.612659,"noise_level":-26.979797,"freq_skew":0.523159,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733654,"usec":480255},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.918162,"noise_level":-26.600204,"freq_skew":2.566814,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4083,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43208,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[49,151]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":12}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733654,"usec":481528},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142877,"noise_level":-26.526237,"freq_skew":-0.318806,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":886,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[207,144,101,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733654,"usec":483077},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155556,"noise_level":-26.452894,"freq_skew":0.487372,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":490,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43160,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[21,250,4,175]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733655,"usec":234611},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.750405,"noise_level":-26.236507,"freq_skew":0.502007,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43160,"dst_ref":64,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[124,59,220,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733655,"usec":239269},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.675460,"noise_level":-26.095190,"freq_skew":0.602083,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733655,"usec":241814},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378787,"noise_level":-26.008018,"freq_skew":0.484409,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[216,206,117,231]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733656,"usec":848},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735025,"noise_level":-25.853283,"freq_skew":0.546726,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":492,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":64,"dst_ref":43160,"variable_part_params":[{"name":"atn_checksum","value":[82,100,225,217]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733656,"usec":5640},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.320488,"noise_level":-25.701256,"freq_skew":2.614079,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733656,"usec":766235},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.255837,"noise_level":-25.667263,"freq_skew":0.483458,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733656,"usec":770990},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792162,"noise_level":-25.388241,"freq_skew":0.293315,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":491,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30685,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[87,196,148,140]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733656,"usec":772687},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904408,"noise_level":-25.339918,"freq_skew":0.814688,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[232,185,68,20]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733656,"usec":776996},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.286160,"noise_level":-25.545906,"freq_skew":0.580440,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733657,"usec":521599},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475972,"noise_level":-25.794811,"freq_skew":0.527761,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32996,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[88,82,229,0]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733657,"usec":522410},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700695,"noise_level":-26.575321,"freq_skew":1.252766,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1405,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[101,18]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733657,"usec":522543},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482780,"noise_level":-26.575321,"freq_skew":0.709226,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-TTNO","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"BA465M","msg_num":"D39","msg_num_seq":"B","sublabel":"DF","msg_text":",00616,00330,73/E10833,1016,42,177,014,000,026,0/N10833,1019,42,178,014,000,027,0/S11721,5035,006,004,200,32,36005,2/T11748,5072,007,003,188,31,36028,2/V1-180,-470,07312,00096,194,198,198,0/X12501,00000,079"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733657,"usec":523171},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.450529,"noise_level":-26.538364,"freq_skew":0.651858,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32997,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":65,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[205,216,223,14]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733657,"usec":523442},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.797033,"noise_level":-26.802387,"freq_skew":-2.184604,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[206,47,247,127]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43279,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[122,200,176,246]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733657,"usec":524663},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.115848,"noise_level":-26.757511,"freq_skew":-0.262989,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":886,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[207,144,101,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733657,"usec":524943},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500907,"noise_level":-27.249908,"freq_skew":0.412427,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733657,"usec":526939},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.401778,"noise_level":-27.433353,"freq_skew":0.546799,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":32996,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[88,82,229,0]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733658,"usec":290089},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.074093,"noise_level":-27.231316,"freq_skew":0.426015,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733658,"usec":295395},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.998536,"noise_level":-27.073004,"freq_skew":0.596943,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[171,25,155,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733659,"usec":48003},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.493127,"noise_level":-27.122952,"freq_skew":0.619672,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733659,"usec":49629},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.768688,"noise_level":-27.005413,"freq_skew":0.610710,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33005,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":65,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[52,118,147,61]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":16}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFRR,BREST,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733659,"usec":50032},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468283,"noise_level":-26.985977,"freq_skew":0.772202,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-TTNO","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"BA465M","msg_num":"D39","msg_num_seq":"C","sublabel":"DF","msg_text":",014,028,024,009,1/2E0824,1013,42,180,014,000,027,0/2N0824,1015,42,180,014,000,026,0/2S1670,4980,007,004,200,31,35981,2/2T1698,5017,008,004,189,30,36003,2/2V-180,-468,07296,00096,194,198,198,0/2X2501,00000,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733659,"usec":50545},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683866,"noise_level":-26.966583,"freq_skew":0.585711,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733659,"usec":55129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.123687,"noise_level":-26.851130,"freq_skew":1.537819,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733659,"usec":816227},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.271682,"noise_level":-26.624725,"freq_skew":0.679658,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733659,"usec":819879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736016,"noise_level":-26.495331,"freq_skew":1.151278,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733659,"usec":821379},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.525637,"noise_level":-26.477001,"freq_skew":0.593121,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733660,"usec":576900},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690101,"noise_level":-25.961628,"freq_skew":1.258795,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1405,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[101,18]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733661,"usec":337841},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.251703,"noise_level":-25.807709,"freq_skew":-0.195704,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733661,"usec":342464},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.681979,"noise_level":-26.294315,"freq_skew":-2.246116,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[206,47,247,127]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43279,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[122,200,176,246]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733661,"usec":343073},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034463,"noise_level":-26.294315,"freq_skew":0.323161,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[171,25,155,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733661,"usec":343516},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254646,"noise_level":-26.294315,"freq_skew":1.118154,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":774,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[115,179,24,23]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733662,"usec":94889},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793094,"noise_level":-26.508419,"freq_skew":0.642248,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33005,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":65,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[52,118,147,61]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":16}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFRR,BREST,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733662,"usec":97118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.001617,"noise_level":-26.362644,"freq_skew":-2.142591,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733662,"usec":102609},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.226671,"noise_level":-26.113281,"freq_skew":0.396510,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,229,205,211]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30685,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[252,68,183,89]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733662,"usec":856590},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.693379,"noise_level":-25.956673,"freq_skew":0.514240,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733662,"usec":857349},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.531530,"noise_level":-25.922253,"freq_skew":0.730159,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33013,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,31,24,170]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733662,"usec":858537},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.005307,"noise_level":-26.586065,"freq_skew":0.665982,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"BA465M","msg_num":"D39","msg_num_seq":"D","sublabel":"DF","msg_text":"A320,041069,1,1,TB000000/REP019,85,01,1/CCG-TTNO,JUL28,201345,LEMD,EGLL,0465/C0TFC050BA030101/C106,31602,8100,42,0010,0,0100,42,X/CE-180,35981,264,795,6241,307,F22A03/EC59A071,00616,00330,73,15,012/EE59A072,00616,00330,73/E10833,1016,42,177,014,000,026,0/N10833,1019,42,178,014,000,027,0/S11721,5035,006,004,200,32,36005,2/T11748,5072,007,003,188,31,36028,2/V1-180,-470,07312,00096,194,198,198,0/X12501,00000,079,014,028,024,009,1/2E0824,1013,42,180,014,000,027,0/2N0824,1015,42,180,014,000,026,0/2S1670,4980,007,004,200,31,35981,2/2T1698,5017,008,004,189,30,36003,2/2V-180,-468,07296,00096,194,198,198,0/2X2501,00000,079,016,031,024,009,1/:"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733663,"usec":618520},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659523,"noise_level":-26.821938,"freq_skew":0.427586,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733663,"usec":619027},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.763794,"noise_level":-26.802906,"freq_skew":0.485728,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[75,76]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":22}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":134.355000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733663,"usec":619313},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.881260,"noise_level":-27.428724,"freq_skew":0.711423,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733663,"usec":622881},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.387306,"noise_level":-27.206858,"freq_skew":0.694782,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"Z","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733664,"usec":383907},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.699262,"noise_level":-26.951756,"freq_skew":1.872943,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7341,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[219,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733664,"usec":388726},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.281327,"noise_level":-27.968613,"freq_skew":0.757583,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733665,"usec":137152},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.162620,"noise_level":-27.732708,"freq_skew":0.669353,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733665,"usec":138955},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.125757,"noise_level":-27.648489,"freq_skew":0.933776,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":774,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[115,179,24,23]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733665,"usec":143534},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.637670,"noise_level":-27.503044,"freq_skew":-0.715275,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":728,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43221,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,170,235,180]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733665,"usec":146801},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.450259,"noise_level":-27.380285,"freq_skew":0.558692,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8276,"credit":15,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[9,32,146,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733665,"usec":905860},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.504471,"noise_level":-27.941284,"freq_skew":2.796870,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4084,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[169,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733665,"usec":906376},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.782248,"noise_level":-27.898046,"freq_skew":2.016041,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":264,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[53,71,104,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733666,"usec":669165},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.587277,"noise_level":-27.477139,"freq_skew":2.829852,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":784,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[83,125,7,239]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43220,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[204,238,252,129]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733666,"usec":669570},"freq":136975000,"burst_len_octets":73,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.906475,"noise_level":-28.035156,"freq_skew":0.467126,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[75,76]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":22}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":134.355000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733666,"usec":682626},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083094,"noise_level":-27.649525,"freq_skew":2.353585,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2478,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[222,66]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733667,"usec":423147},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.799331,"noise_level":-27.524693,"freq_skew":1.725627,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[215,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733667,"usec":425847},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.505305,"noise_level":-27.766357,"freq_skew":0.232441,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":725,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[17,152,112,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733667,"usec":428598},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.832502,"noise_level":-27.702873,"freq_skew":2.749008,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733667,"usec":429104},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.090480,"noise_level":-28.425392,"freq_skew":1.667379,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43309,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[132,200]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733667,"usec":431355},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.152608,"noise_level":-29.470224,"freq_skew":0.507339,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":190977},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788120,"noise_level":-29.341965,"freq_skew":1.160354,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.200001,"lon":-4.000000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":191114},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939375,"noise_level":-29.316540,"freq_skew":0.706832,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":2,"variable_part_params":[{"name":"checksum","value":[47,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":194399},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.345524,"noise_level":-29.090996,"freq_skew":0.689135,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":195758},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.983742,"noise_level":-29.090996,"freq_skew":0.683843,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8276,"credit":15,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[9,32,146,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":198724},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.739163,"noise_level":-29.017101,"freq_skew":1.216710,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"VY33KE","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":199253},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583588,"noise_level":-29.017101,"freq_skew":1.431829,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6529,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":202788},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.901314,"noise_level":-30.012589,"freq_skew":1.443447,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":955351},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.769897,"noise_level":-29.849094,"freq_skew":-1.325135,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":717,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[79,17,42,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":958733},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.224101,"noise_level":-29.531061,"freq_skew":1.644441,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":962574},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.561414,"noise_level":-29.462105,"freq_skew":0.018993,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[179,133,75,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733668,"usec":962990},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.398020,"noise_level":-29.462105,"freq_skew":0.568106,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733669,"usec":722007},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596639,"noise_level":-29.299614,"freq_skew":-2.093067,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43279,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[141,22,39,31]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":27}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733669,"usec":723071},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.545101,"noise_level":-29.249084,"freq_skew":1.452167,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733669,"usec":724866},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547637,"noise_level":-29.275810,"freq_skew":2.779173,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4084,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[169,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733671,"usec":238691},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.973573,"noise_level":-28.960556,"freq_skew":-2.338216,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733671,"usec":240006},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.800631,"noise_level":-28.863623,"freq_skew":-3.135955,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-3.000000},"alt":14000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733671,"usec":240176},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412808,"noise_level":-28.863623,"freq_skew":2.617640,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":785,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43220,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[221,179,5,162]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733672,"usec":3918},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.119915,"noise_level":-29.557714,"freq_skew":-3.133059,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"IB0657","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733672,"usec":3918},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.119915,"noise_level":-29.557714,"freq_skew":-3.133059,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15011516","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,19,78,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733672,"usec":5890},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.990810,"noise_level":-30.090704,"freq_skew":2.770548,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4085,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733672,"usec":7775},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.041656,"noise_level":-29.925749,"freq_skew":0.633100,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[208,182,76,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733672,"usec":757712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.544826,"noise_level":-29.657597,"freq_skew":2.657220,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733672,"usec":757945},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.245749,"noise_level":-30.248711,"freq_skew":-2.151142,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":577,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733672,"usec":763576},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.154738,"noise_level":-29.861752,"freq_skew":-3.102369,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733672,"usec":767305},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.517815,"noise_level":-29.621796,"freq_skew":2.810334,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733672,"usec":769813},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764201,"noise_level":-30.380043,"freq_skew":1.339543,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733673,"usec":530852},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.030472,"noise_level":-29.959936,"freq_skew":-3.159113,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733673,"usec":531891},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.042692,"noise_level":-29.932640,"freq_skew":2.716268,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":786,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,74,57,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733674,"usec":286207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.006218,"noise_level":-30.376661,"freq_skew":-2.182321,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733674,"usec":286659},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681602,"noise_level":-30.708063,"freq_skew":-2.009493,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[189,9,121,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733674,"usec":287054},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.322257,"noise_level":-30.678314,"freq_skew":1.538405,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733674,"usec":293596},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.420970,"noise_level":-30.300571,"freq_skew":-2.076005,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[66,206,242,111]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733675,"usec":46748},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.794772,"noise_level":-29.884203,"freq_skew":-0.096595,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":674,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733675,"usec":810153},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184206,"noise_level":-29.181612,"freq_skew":0.238699,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2893,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43222,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[130,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733675,"usec":812461},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.268383,"noise_level":-29.008369,"freq_skew":2.384653,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733675,"usec":815047},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.573895,"noise_level":-28.886709,"freq_skew":0.712916,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733676,"usec":574585},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.108122,"noise_level":-28.719196,"freq_skew":-2.188162,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-2.800000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733676,"usec":574585},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.108122,"noise_level":-28.719196,"freq_skew":-2.188162,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"IB0591","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733676,"usec":574585},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.108122,"noise_level":-28.719196,"freq_skew":-2.188162,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15072725","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,117,213,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733676,"usec":577483},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661763,"noise_level":-28.508463,"freq_skew":-0.044254,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43246,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[6,44]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733676,"usec":578456},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.879918,"noise_level":-28.462317,"freq_skew":1.680861,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43309,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[72,85]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":35}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733676,"usec":579761},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.120875,"noise_level":-28.852942,"freq_skew":1.171818,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733677,"usec":338153},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.110105,"noise_level":-28.709715,"freq_skew":0.471426,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733677,"usec":340403},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518279,"noise_level":-28.545549,"freq_skew":0.656734,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":3,"variable_part_params":[{"name":"checksum","value":[43,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733677,"usec":340642},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.215798,"noise_level":-28.522348,"freq_skew":2.606574,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":334,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733677,"usec":340826},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.175858,"noise_level":-28.522348,"freq_skew":-2.066896,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"IB0591","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733677,"usec":343955},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.524460,"noise_level":-28.831413,"freq_skew":1.137436,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":785,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[161,70,214,35]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733677,"usec":343955},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.524460,"noise_level":-28.831413,"freq_skew":1.137436,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":786,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23071,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[34,107,140,37]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733677,"usec":344685},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.797589,"noise_level":-28.831413,"freq_skew":0.700115,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15072725","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733677,"usec":349769},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.835397,"noise_level":-28.617973,"freq_skew":2.743100,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":798,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733678,"usec":93774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687145,"noise_level":-29.053640,"freq_skew":2.860942,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733678,"usec":94067},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958997,"noise_level":-29.181248,"freq_skew":0.543095,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18478,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[238,165]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733678,"usec":96258},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.513855,"noise_level":-29.205942,"freq_skew":0.575295,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733678,"usec":96794},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.009382,"noise_level":-29.519733,"freq_skew":-2.047913,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733678,"usec":101235},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.201168,"noise_level":-29.138386,"freq_skew":1.672932,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733678,"usec":869098},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.169768,"noise_level":-28.607723,"freq_skew":-0.468984,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":134,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733679,"usec":620162},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.707411,"noise_level":-28.422520,"freq_skew":-3.117884,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":17,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733679,"usec":624954},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.619862,"noise_level":-29.125090,"freq_skew":0.633038,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":74,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[207,42,254,116]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":38}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"LISBOA","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":127.255000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733679,"usec":625629},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.233630,"noise_level":-29.481504,"freq_skew":0.626195,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733679,"usec":627770},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.551973,"noise_level":-29.327621,"freq_skew":2.800529,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733680,"usec":377990},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.450086,"noise_level":-29.201439,"freq_skew":0.542278,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2893,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43222,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[130,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733680,"usec":378250},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.880441,"noise_level":-29.176422,"freq_skew":0.730285,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18478,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[238,165]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733680,"usec":378419},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499786,"noise_level":-29.176422,"freq_skew":1.352394,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":749,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733680,"usec":379266},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.275041,"noise_level":-29.720766,"freq_skew":2.308959,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733680,"usec":380159},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.770984,"noise_level":-29.888762,"freq_skew":0.696537,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":643,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43215,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[26,60,96,158]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43215,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[82,32,193,141]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733680,"usec":381755},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.964212,"noise_level":-29.780960,"freq_skew":2.711106,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":334,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733680,"usec":382332},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522575,"noise_level":-29.754219,"freq_skew":0.715487,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733680,"usec":383109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.009770,"noise_level":-29.674484,"freq_skew":-0.386235,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733680,"usec":386395},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.427309,"noise_level":-29.595474,"freq_skew":0.613805,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18484,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[94,82,63,141]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":147589},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.243443,"noise_level":-29.439581,"freq_skew":0.487150,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":148413},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.257382,"noise_level":-29.388229,"freq_skew":0.251499,"avlc":{"src":{"addr":"4CADA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43222,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[69,90]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":149096},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.085505,"noise_level":-29.337181,"freq_skew":1.887087,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-8.500000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":149246},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.277275,"noise_level":-29.311771,"freq_skew":-2.052167,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":311,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[151,155,37,26]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43279,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[129,187,158,13]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":39}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":152909},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109950,"noise_level":-29.210861,"freq_skew":-3.095831,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":153169},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.189723,"noise_level":-29.185814,"freq_skew":1.025904,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"5Y","blk_id":"2","ack":"!","flight":"TP0555","msg_num":"M51","msg_num_seq":"A","msg_text":"---2109  46N 415414,W  42537,37014,  435875,MS49,313, 40,250,201436,10320"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":155429},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.382674,"noise_level":-29.037041,"freq_skew":0.465258,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18487,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[232,114,133,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":905823},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176818,"noise_level":-29.466003,"freq_skew":2.088039,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"U212RW","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":906407},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.982207,"noise_level":-29.414499,"freq_skew":1.958767,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20064414","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,105,12,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":906676},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.890790,"noise_level":-29.388859,"freq_skew":-2.151181,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":906959},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.396337,"noise_level":-29.363297,"freq_skew":0.756158,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":908614},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.145400,"noise_level":-29.211479,"freq_skew":-0.208929,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733681,"usec":913207},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438099,"noise_level":-28.939854,"freq_skew":1.182533,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSF","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"EC71AF","msg_num":"M02","msg_num_seq":"A","msg_text":"/LEPA.TI2/040LEPAA6F3E"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733682,"usec":666143},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.108711,"noise_level":-28.843151,"freq_skew":-2.143448,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733682,"usec":666815},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.559636,"noise_level":-28.808167,"freq_skew":0.669036,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":54871,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733682,"usec":669956},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.586143,"noise_level":-28.595291,"freq_skew":0.694668,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":54878,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733682,"usec":670268},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690348,"noise_level":-28.571957,"freq_skew":0.672659,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18478,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[238,165]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733682,"usec":675111},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604867,"noise_level":-28.502329,"freq_skew":1.948662,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733682,"usec":675195},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.598999,"noise_level":-28.502329,"freq_skew":0.538002,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733682,"usec":675688},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.772898,"noise_level":-28.479242,"freq_skew":2.235148,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCRR"},{"name":"ac_location","value":{"loc":{"lat":42.799999,"lon":-6.600000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733683,"usec":426602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.523073,"noise_level":-28.296726,"freq_skew":-0.380623,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733683,"usec":432780},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.526444,"noise_level":-27.986269,"freq_skew":1.791287,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733683,"usec":433965},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.214791,"noise_level":-27.921162,"freq_skew":1.272804,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733683,"usec":434157},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.429417,"noise_level":-27.899569,"freq_skew":1.707425,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[204,39]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733684,"usec":195157},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.947345,"noise_level":-27.561167,"freq_skew":0.865474,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":413,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733684,"usec":196344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.040020,"noise_level":-27.499159,"freq_skew":0.717710,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733684,"usec":946482},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.973555,"noise_level":-27.386066,"freq_skew":0.136481,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":748,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[35,101,0,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733684,"usec":947428},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.881227,"noise_level":-27.325291,"freq_skew":0.961932,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"5Y","blk_id":"2","ack":"!","flight":"TP0555","msg_num":"M51","msg_num_seq":"A","msg_text":"---2109  46N 415414,W  42537,37014,  435875,MS49,313, 40,250,201436,10320"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733684,"usec":949055},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.319608,"noise_level":-27.244913,"freq_skew":2.543790,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733684,"usec":951523},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.634712,"noise_level":-27.125725,"freq_skew":-0.169822,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":895,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43246,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[206,182]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733685,"usec":714079},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.144892,"noise_level":-26.796644,"freq_skew":1.386858,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSF","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"EC71AF","msg_num":"M02","msg_num_seq":"A","msg_text":"/LEPA.TI2/040LEPAA6F3E"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733686,"usec":475238},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.768823,"noise_level":-26.334278,"freq_skew":1.112528,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733686,"usec":480990},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.468182,"noise_level":-26.050781,"freq_skew":0.416799,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33053,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[47,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":241482},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.605714,"noise_level":-25.912430,"freq_skew":2.796391,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":41.500000,"lon":-4.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":242966},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826821,"noise_level":-25.844070,"freq_skew":0.517766,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":246369},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.063157,"noise_level":-25.675491,"freq_skew":2.553261,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"U268FY","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":246369},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.063157,"noise_level":-25.675491,"freq_skew":2.553261,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20065621","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,107,145,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":247267},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727987,"noise_level":-25.857700,"freq_skew":1.170162,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1745,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30643,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[87,155]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":247812},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.732512,"noise_level":-25.840668,"freq_skew":0.504692,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20065621","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":247940},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.304257,"noise_level":-25.840668,"freq_skew":0.488827,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43215,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[8,110,165,230]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":248166},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383638,"noise_level":-26.641714,"freq_skew":0.026662,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":748,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[35,101,0,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":248414},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.073865,"noise_level":-26.641714,"freq_skew":-0.012991,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":997427},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687726,"noise_level":-27.302568,"freq_skew":0.621826,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":645,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1540,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[93,67,67,91]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":998440},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.893370,"noise_level":-27.262390,"freq_skew":1.082481,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733687,"usec":999188},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.495197,"noise_level":-27.638617,"freq_skew":0.605197,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[179,31,113,56]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":534},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.115506,"noise_level":-27.576054,"freq_skew":0.594654,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43215,"dst_ref":74,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[47,52,21,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":636},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.995180,"noise_level":-27.576054,"freq_skew":0.701465,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":1004},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090127,"noise_level":-28.202545,"freq_skew":2.322703,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":595,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":67,"dst_ref":1570,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[131,106,92,100]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":2281},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577816,"noise_level":-28.915661,"freq_skew":0.478397,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52510,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[171,222,209,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":3168},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.498725,"noise_level":-28.843233,"freq_skew":0.587099,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52511,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":75,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[195,166,207,159]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":3585},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209666,"noise_level":-28.819225,"freq_skew":0.442290,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":762514},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.288225,"noise_level":-28.747593,"freq_skew":0.691693,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43215,"dst_ref":74,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[47,52,21,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":763780},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.186921,"noise_level":-28.652994,"freq_skew":0.473108,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161,193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":763936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.988845,"noise_level":-28.652994,"freq_skew":2.659862,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":764469},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.497336,"noise_level":-28.629505,"freq_skew":0.566858,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43215,"dst_ref":74,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[47,52,21,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":764943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.551081,"noise_level":-28.582716,"freq_skew":0.699006,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":766022},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.014214,"noise_level":-28.513002,"freq_skew":0.536184,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":646,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":74,"dst_ref":43215,"variable_part_params":[{"name":"atn_checksum","value":[187,73,143,28]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":766022},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.014214,"noise_level":-28.513002,"freq_skew":0.536184,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":647,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[52,239,123,89]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":766737},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.409029,"noise_level":-28.489887,"freq_skew":0.478425,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"Z","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":766908},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.475200,"noise_level":-28.466835,"freq_skew":0.864533,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":539,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[27,193,242,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733688,"usec":769015},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.065409,"noise_level":-28.352478,"freq_skew":0.959398,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[217,188,227,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733689,"usec":528090},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.153304,"noise_level":-28.217203,"freq_skew":-0.002147,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733689,"usec":530350},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.606352,"noise_level":-28.084007,"freq_skew":0.428251,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52515,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":75,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[21,161,96,51]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LPPC,LISBOA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733689,"usec":530945},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298457,"noise_level":-28.040056,"freq_skew":0.731824,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733689,"usec":531187},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.544200,"noise_level":-28.018166,"freq_skew":2.483784,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733690,"usec":282570},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.892773,"noise_level":-27.633266,"freq_skew":0.569494,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":648,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[137,188,173,4]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1540,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[168,53,100,239]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733690,"usec":285010},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.837259,"noise_level":-27.488075,"freq_skew":-0.020838,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"AF1358","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733690,"usec":285659},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.779800,"noise_level":-28.116711,"freq_skew":0.726908,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CADDA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":55097,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733690,"usec":288726},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.648839,"noise_level":-27.941580,"freq_skew":2.527138,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EC45FP","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733690,"usec":289345},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.117461,"noise_level":-27.941580,"freq_skew":0.513444,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52518,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,171,4,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733690,"usec":290647},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920359,"noise_level":-28.004820,"freq_skew":2.312744,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCRR"},{"name":"ac_location","value":{"loc":{"lat":42.799999,"lon":-6.600000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":49638},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.772842,"noise_level":-27.810535,"freq_skew":0.965658,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":51364},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.252234,"noise_level":-27.704449,"freq_skew":0.042311,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":748,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[35,101,0,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":51462},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306879,"noise_level":-27.704449,"freq_skew":2.492167,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"U285XQ","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":52275},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.374899,"noise_level":-27.662374,"freq_skew":0.917941,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":456,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[132,1,206,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":52389},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121556,"noise_level":-27.662374,"freq_skew":2.305310,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062072","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,100,58,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":53310},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.037350,"noise_level":-27.641413,"freq_skew":0.812254,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.900002,"lon":-2.400000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":53621},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.193904,"noise_level":-28.271044,"freq_skew":2.261113,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":595,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":67,"dst_ref":1570,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[131,106,92,100]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":54025},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.980676,"noise_level":-28.248562,"freq_skew":0.937949,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"TP05AS","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":54254},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539071,"noise_level":-28.248562,"freq_skew":0.386783,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":809847},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212068,"noise_level":-28.638767,"freq_skew":0.937827,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250721","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":810965},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.147428,"noise_level":-28.908131,"freq_skew":0.720624,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":815232},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.261308,"noise_level":-28.802826,"freq_skew":0.651496,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":816745},"freq":136975000,"burst_len_octets":26,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511382,"noise_level":-29.147615,"freq_skew":2.180244,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733691,"usec":816745},"freq":136975000,"burst_len_octets":26,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.511382,"noise_level":-29.147615,"freq_skew":2.180244,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733692,"usec":571225},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475804,"noise_level":-28.829805,"freq_skew":0.907163,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733692,"usec":574659},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.698175,"noise_level":-28.888597,"freq_skew":-0.791936,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":729,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[106,14,109,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733692,"usec":578807},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.296773,"noise_level":-28.697372,"freq_skew":2.585474,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733693,"usec":337864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.931246,"noise_level":-28.579962,"freq_skew":1.104275,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733693,"usec":342224},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.073247,"noise_level":-28.327106,"freq_skew":2.488474,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2479,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733694,"usec":105725},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.852620,"noise_level":-27.526871,"freq_skew":-0.118950,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733694,"usec":105879},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894902,"noise_level":-27.526871,"freq_skew":1.147659,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSF","mode":"2","label":"_d","blk_id":"3","ack":"P","flight":"EC71AF","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733694,"usec":862203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677853,"noise_level":-27.444613,"freq_skew":-2.290434,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733694,"usec":862685},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.123121,"noise_level":-27.424171,"freq_skew":1.483095,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6530,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[135,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733694,"usec":863192},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550233,"noise_level":-28.141117,"freq_skew":1.837375,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":701,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[242,190,42,241]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733694,"usec":865161},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.860027,"noise_level":-28.009073,"freq_skew":0.698595,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61009,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[155,141,108,224]},{"name":"checksum","value":[219,226]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25264386,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733694,"usec":865684},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491306,"noise_level":-27.987259,"freq_skew":1.500725,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":702,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733694,"usec":868494},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691817,"noise_level":-27.879005,"freq_skew":0.188364,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"AF1358","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733694,"usec":869094},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885161,"noise_level":-27.857515,"freq_skew":-2.046410,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":60,"dst_ref":61009,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[137,81,98,125]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733695,"usec":618580},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509244,"noise_level":-27.940571,"freq_skew":0.586236,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[2,87,62,72]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733695,"usec":626641},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.356426,"noise_level":-27.684355,"freq_skew":0.232673,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733695,"usec":627108},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.027359,"noise_level":-27.663342,"freq_skew":1.257170,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSF","mode":"2","label":"_d","blk_id":"4","ack":"Q","flight":"EC71AF","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733696,"usec":385867},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.993958,"noise_level":-27.354078,"freq_skew":-2.262896,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733697,"usec":144595},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.771960,"noise_level":-27.864063,"freq_skew":0.983496,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43213,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[240,86,144,87]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733697,"usec":150279},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477655,"noise_level":-27.665154,"freq_skew":-0.896152,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":729,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[106,14,109,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733697,"usec":906126},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.911773,"noise_level":-27.235117,"freq_skew":0.884928,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733698,"usec":665052},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336262,"noise_level":-27.198603,"freq_skew":-0.246640,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":896,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43246,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[2,47]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733698,"usec":667594},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.600183,"noise_level":-27.099693,"freq_skew":2.914863,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[71,193,240,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733698,"usec":668738},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.901203,"noise_level":-27.060440,"freq_skew":0.987850,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733698,"usec":671956},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.289281,"noise_level":-26.963081,"freq_skew":-2.102375,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNE","mode":"2","label":"15","blk_id":"0","ack":"!","flight":"BA045P","msg_num":"M66","msg_num_seq":"A","msg_text":"FST01LEMGEGLLN43767W0031201340  47  32     33325      429  21342014"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733698,"usec":673233},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.847125,"noise_level":-26.905184,"freq_skew":-0.117569,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":897,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43246,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[74,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733698,"usec":673618},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.941067,"noise_level":-27.679235,"freq_skew":2.814204,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-2.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733699,"usec":430770},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923177,"noise_level":-27.574730,"freq_skew":-0.690931,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVA","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"TP863Y","msg_num":"M87","msg_num_seq":"A","msg_text":"2014,29595,8120,N 392316,W  65154"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733699,"usec":431200},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.703960,"noise_level":-27.553978,"freq_skew":0.582159,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733699,"usec":432197},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331995,"noise_level":-27.512625,"freq_skew":1.144233,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[182,170,246,219]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733699,"usec":432867},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.908538,"noise_level":-27.471466,"freq_skew":1.316397,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSF","mode":"2","label":"_d","blk_id":"4","ack":"Q","flight":"EC71AF","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733699,"usec":436865},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.127104,"noise_level":-27.342234,"freq_skew":1.308890,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[74,137]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733700,"usec":186210},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.750777,"noise_level":-27.005005,"freq_skew":0.122817,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":128,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733700,"usec":188877},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.029500,"noise_level":-26.946831,"freq_skew":1.976848,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":588,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[67,104,232,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733700,"usec":193952},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.860752,"noise_level":-26.736794,"freq_skew":1.912444,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[147,139,216,240]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733700,"usec":954189},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.474953,"noise_level":-26.568645,"freq_skew":-2.187829,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733700,"usec":957688},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.821310,"noise_level":-26.403690,"freq_skew":0.966266,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733700,"usec":958618},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904098,"noise_level":-26.367455,"freq_skew":-0.916405,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733700,"usec":958618},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.904098,"noise_level":-26.367455,"freq_skew":-0.916405,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":558,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,72,226,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733700,"usec":960743},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.743722,"noise_level":-26.819580,"freq_skew":2.859392,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[71,193,240,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733701,"usec":714129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.176352,"noise_level":-26.612564,"freq_skew":-0.066906,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733701,"usec":715283},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.329863,"noise_level":-26.556950,"freq_skew":-0.193064,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":887,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[192,244,33,40]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733702,"usec":472213},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.123501,"noise_level":-26.266212,"freq_skew":2.603569,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733702,"usec":472951},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722059,"noise_level":-26.230545,"freq_skew":1.343671,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733702,"usec":473289},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.277576,"noise_level":-26.212767,"freq_skew":0.925013,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[182,170,246,219]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733702,"usec":473783},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.662910,"noise_level":-27.076567,"freq_skew":0.955995,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1406,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[170,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733702,"usec":476686},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.723698,"noise_level":-26.979027,"freq_skew":-0.096459,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":897,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43246,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[74,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":14,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733702,"usec":482326},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.041407,"noise_level":-26.768219,"freq_skew":1.003020,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43267,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[125,11]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733703,"usec":247762},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.852389,"noise_level":-26.379448,"freq_skew":0.636797,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JZM","mode":"2","label":"10","blk_id":"Q","ack":"!","msg_text":"4PAD11/\r\n282015\r\nIB556 PKG 350 IBE08EC STD 0500\r\nROTATION\r\nINFO NOT AVAILABLE\r\nEND ACFT ROT"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733703,"usec":248125},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.554568,"noise_level":-26.379448,"freq_skew":-0.021362,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733704,"usec":764406},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.652499,"noise_level":-26.579580,"freq_skew":1.224274,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733704,"usec":766925},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654634,"noise_level":-26.432613,"freq_skew":2.127233,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":606,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1561,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[203,6,234,95]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733705,"usec":534717},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.350208,"noise_level":-25.749752,"freq_skew":1.614273,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733705,"usec":535530},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.922629,"noise_level":-25.716141,"freq_skew":0.881449,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":775,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[70,184,183,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733706,"usec":294975},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904649,"noise_level":-25.664799,"freq_skew":2.740566,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-2.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733707,"usec":53780},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.974401,"noise_level":-25.581821,"freq_skew":0.549838,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JZM","mode":"2","label":"10","blk_id":"Q","ack":"!","msg_text":"4PAD11/\r\n282015\r\nIB556 PKG 350 IBE08EC STD 0500\r\nROTATION\r\nINFO NOT AVAILABLE\r\nEND ACFT ROT"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733707,"usec":54731},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.773975,"noise_level":-25.548851,"freq_skew":0.433376,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733707,"usec":55311},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.963728,"noise_level":-26.250805,"freq_skew":-0.276989,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JZM","mode":"2","label":"_d","blk_id":"2","ack":"Q","flight":"IB0556","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733707,"usec":55638},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.825786,"noise_level":-26.250805,"freq_skew":0.553455,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"H1","blk_id":"S","ack":"!","sublabel":"MD","msg_text":"REQPRGC74C\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733707,"usec":59224},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757148,"noise_level":-26.126825,"freq_skew":1.867471,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"PC1561","msg_num":"M01","msg_num_seq":"A","msg_text":"PC1561/28JUL25 20:15:00,37003,2108, 116,N 39.997 W  4.643"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733707,"usec":60590},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.433079,"noise_level":-26.302280,"freq_skew":2.553761,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"1","ack":"S","flight":"U268FY","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733707,"usec":808971},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.075862,"noise_level":-26.019810,"freq_skew":0.618382,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733707,"usec":809692},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.489956,"noise_level":-26.474764,"freq_skew":0.570032,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[162,127,5,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733707,"usec":810606},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.783316,"noise_level":-26.438232,"freq_skew":2.543284,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"U268FY","msg_num":"F36","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLEMG,12O,68,211306F668"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733707,"usec":813796},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303054,"noise_level":-27.236668,"freq_skew":0.498524,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733708,"usec":575959},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.192303,"noise_level":-26.922686,"freq_skew":0.508226,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733708,"usec":578298},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.496893,"noise_level":-26.826849,"freq_skew":0.599439,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"X","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733709,"usec":338540},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.211574,"noise_level":-26.399136,"freq_skew":-0.508593,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.900002,"lon":-4.900000},"alt":25000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733709,"usec":338540},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.211574,"noise_level":-26.399136,"freq_skew":-0.508593,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JZM","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"IB0556","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733709,"usec":338540},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.211574,"noise_level":-26.399136,"freq_skew":-0.508593,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15022412","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,37,10,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733709,"usec":339992},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.958648,"noise_level":-27.032787,"freq_skew":2.478014,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733709,"usec":340925},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.597286,"noise_level":-26.974428,"freq_skew":1.503434,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2017,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733710,"usec":95284},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727270,"noise_level":-26.820688,"freq_skew":0.123471,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":898,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43246,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[251,83]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733710,"usec":97200},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.231936,"noise_level":-26.725964,"freq_skew":-0.551060,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JZM","mode":"2","label":"_d","blk_id":"2","ack":"Q","flight":"IB0556","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733710,"usec":99401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298365,"noise_level":-26.830236,"freq_skew":-0.345452,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733710,"usec":100970},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421783,"noise_level":-26.754293,"freq_skew":0.633045,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[162,127,5,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733710,"usec":101787},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.787855,"noise_level":-26.716568,"freq_skew":1.841166,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"PC1561","msg_num":"M01","msg_num_seq":"A","msg_text":"PC1561/28JUL25 20:15:00,37003,2108, 116,N 39.997 W  4.643"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733710,"usec":853688},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.540514,"noise_level":-26.949587,"freq_skew":1.790619,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1509,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,16,171,95]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733710,"usec":854729},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.193094,"noise_level":-26.891781,"freq_skew":0.541711,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34250A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733710,"usec":862861},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179148,"noise_level":-26.552794,"freq_skew":0.734763,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733711,"usec":621365},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788079,"noise_level":-27.132471,"freq_skew":-0.146557,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":899,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":1,"dst_ref":43246,"variable_part_params":[{"name":"checksum","value":[31,184]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733711,"usec":624040},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.908723,"noise_level":-26.995350,"freq_skew":1.537983,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733711,"usec":626077},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.986113,"noise_level":-26.917953,"freq_skew":1.971277,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733712,"usec":384297},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.380320,"noise_level":-26.559460,"freq_skew":1.471190,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":703,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30423,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[125,104,52,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733712,"usec":386759},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.086196,"noise_level":-26.485840,"freq_skew":1.708664,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":704,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30423,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[5,154,128,6]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733712,"usec":389001},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669264,"noise_level":-26.376560,"freq_skew":-0.413590,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":888,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[199,117,78,28]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733713,"usec":143012},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670146,"noise_level":-26.144407,"freq_skew":-0.199540,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":889,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[184,197,178,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733713,"usec":149679},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.314891,"noise_level":-25.866943,"freq_skew":1.811212,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733713,"usec":902525},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.379657,"noise_level":-25.664511,"freq_skew":-0.570980,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733714,"usec":671393},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596624,"noise_level":-25.162403,"freq_skew":0.936873,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733714,"usec":673046},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.444002,"noise_level":-25.099680,"freq_skew":-1.882137,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[148,61,107,131]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733715,"usec":428099},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.992414,"noise_level":-24.898901,"freq_skew":2.747899,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-2.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733715,"usec":429540},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.748034,"noise_level":-24.838045,"freq_skew":0.682084,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733715,"usec":430188},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.350659,"noise_level":-24.807775,"freq_skew":0.587208,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733715,"usec":432330},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.124540,"noise_level":-24.717596,"freq_skew":2.636314,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC13NK","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733715,"usec":432330},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.124540,"noise_level":-24.717596,"freq_skew":2.636314,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000363","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,243,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733715,"usec":433995},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158143,"noise_level":-24.672855,"freq_skew":1.348246,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":717,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[45,136,232,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733715,"usec":435567},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.592198,"noise_level":-24.613556,"freq_skew":0.509035,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21000363","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733716,"usec":195009},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.141019,"noise_level":-24.380331,"freq_skew":0.458309,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733716,"usec":961054},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565578,"noise_level":-24.209433,"freq_skew":0.231556,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":379,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,48,22,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733716,"usec":963165},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.360218,"noise_level":-24.125229,"freq_skew":0.626914,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733716,"usec":963982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.537585,"noise_level":-24.097340,"freq_skew":1.085574,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733716,"usec":965993},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804366,"noise_level":-24.042622,"freq_skew":1.635928,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-8.500000},"alt":0}},{"name":"alternate_ground_stations","value":["1192CA","129F1A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733717,"usec":717204},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495383,"noise_level":-23.610840,"freq_skew":1.380648,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127720","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,208,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733717,"usec":718487},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.416155,"noise_level":-23.584553,"freq_skew":0.597971,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[186,82,157,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733718,"usec":477086},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304002,"noise_level":-23.506166,"freq_skew":0.073570,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":726,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[177,202,49,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733718,"usec":477662},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.934795,"noise_level":-24.745537,"freq_skew":1.212418,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GXK","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR0652","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733718,"usec":483585},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.447047,"noise_level":-24.567373,"freq_skew":0.602386,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21000363","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733718,"usec":484159},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730599,"noise_level":-25.316013,"freq_skew":2.887031,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC13NK","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":242655},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.116676,"noise_level":-25.252174,"freq_skew":0.514974,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":245448},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.206400,"noise_level":-25.125887,"freq_skew":2.656511,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000363","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,243,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":246970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004510,"noise_level":-25.725357,"freq_skew":1.425055,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":247631},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.556475,"noise_level":-25.691837,"freq_skew":0.554727,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":57,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[170,56,85,5]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":18}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":248123},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489900,"noise_level":-25.675127,"freq_skew":0.249639,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":379,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,48,22,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":249558},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625374,"noise_level":-25.608606,"freq_skew":0.514498,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2793,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[117,86,55,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":250616},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459584,"noise_level":-25.559044,"freq_skew":2.850781,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":994908},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.748402,"noise_level":-25.509766,"freq_skew":0.524361,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[228,20,132,169]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43197,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[36,169,168,85]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":995811},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.425318,"noise_level":-25.477068,"freq_skew":0.650400,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":996791},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.561465,"noise_level":-26.103355,"freq_skew":0.579195,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33109,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[87,47,11,184]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":3,"acked_credit":2}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":998954},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903135,"noise_level":-26.432314,"freq_skew":1.308009,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733719,"usec":999353},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.555439,"noise_level":-26.414118,"freq_skew":0.573388,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[213,218,150,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733720,"usec":765250},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.503323,"noise_level":-26.582052,"freq_skew":0.584424,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733720,"usec":769315},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.065708,"noise_level":-26.398682,"freq_skew":0.642115,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733722,"usec":291322},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625610,"noise_level":-25.916059,"freq_skew":0.495338,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52539,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8276,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[170,35,121,133]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":21}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":135.700000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733722,"usec":291605},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.873943,"noise_level":-26.448973,"freq_skew":0.701158,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733723,"usec":46323},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.173251,"noise_level":-25.935211,"freq_skew":-1.400750,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733723,"usec":47319},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.534040,"noise_level":-25.900875,"freq_skew":0.123637,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":391,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[9,68,105,184]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733723,"usec":50701},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274063,"noise_level":-26.821091,"freq_skew":-1.090926,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"TP93ZS","msg_num":"C10","msg_num_seq":"A","sublabel":"CF","msg_text":"FLR/FR25072820140021265506INLET BYPASS V 16HQ/IDAEVC\r"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733723,"usec":51041},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.015886,"noise_level":-27.165909,"freq_skew":-1.304305,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":718,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1469,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[144,26,82,50]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733723,"usec":51041},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.015886,"noise_level":-27.165909,"freq_skew":-1.304305,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":719,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1469,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[70,184,220,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":21}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733723,"usec":809979},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.159701,"noise_level":-27.646673,"freq_skew":0.553558,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733723,"usec":812690},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.318922,"noise_level":-27.480679,"freq_skew":1.511873,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[164,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733723,"usec":816289},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.358221,"noise_level":-27.358234,"freq_skew":0.428758,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52541,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8276,"credit":15,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[94,236,196,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733723,"usec":819631},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.638379,"noise_level":-27.177744,"freq_skew":-0.040697,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":129,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,145,175,38]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733724,"usec":569482},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.972695,"noise_level":-27.138138,"freq_skew":-1.442675,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733724,"usec":571710},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722353,"noise_level":-27.000925,"freq_skew":-1.214776,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733725,"usec":331165},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.820791,"noise_level":-26.601833,"freq_skew":-1.307886,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"VY01MC","msg_num":"M99","msg_num_seq":"A","msg_text":"/LEMG.TI2/040LEMGAC4AA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733725,"usec":337156},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.395007,"noise_level":-26.345612,"freq_skew":1.456179,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733726,"usec":91617},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.437030,"noise_level":-26.255903,"freq_skew":0.493226,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733726,"usec":93458},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522903,"noise_level":-26.167114,"freq_skew":-0.070092,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":391,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[9,68,105,184]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733726,"usec":94185},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548173,"noise_level":-27.132038,"freq_skew":1.115889,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[43,244,34,116]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733726,"usec":95100},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.866174,"noise_level":-27.073011,"freq_skew":-1.183452,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"_d","blk_id":"2","ack":"D","flight":"VY01MC","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733726,"usec":96977},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.975731,"noise_level":-27.014380,"freq_skew":-2.078825,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"IB0591","msg_num":"D20","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,175906,1,1,TB000000/REP033,00,00,1/POSDMU,201512, 42.485,-  2.838,  4917,340\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733726,"usec":97421},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071781,"noise_level":-27.014380,"freq_skew":0.994506,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1531,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[238,221,10,129]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733726,"usec":859624},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.237772,"noise_level":-26.727018,"freq_skew":2.769591,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733726,"usec":861001},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.341561,"noise_level":-26.708195,"freq_skew":0.466305,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733727,"usec":619293},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.265809,"noise_level":-26.452980,"freq_skew":1.210009,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733727,"usec":621149},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.108224,"noise_level":-26.362164,"freq_skew":1.698729,"avlc":{"src":{"addr":"347453","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43268,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[206,240,33,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":144834},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432000,"noise_level":-25.667912,"freq_skew":0.703939,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52545,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":145814},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511491,"noise_level":-26.198729,"freq_skew":1.741564,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[91,26]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":146796},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.161361,"noise_level":-27.020777,"freq_skew":-1.488360,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-2.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":146796},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.161361,"noise_level":-27.020777,"freq_skew":-1.488360,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"VY01MC","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":146796},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.161361,"noise_level":-27.020777,"freq_skew":-1.488360,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15053015","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,86,13,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":148679},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.633623,"noise_level":-27.036524,"freq_skew":1.325434,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":750,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":149203},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.160740,"noise_level":-27.036617,"freq_skew":-2.292852,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"IB0591","msg_num":"D20","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,175906,1,1,TB000000/REP033,00,00,1/POSDMU,201512, 42.485,-  2.838,  4917,340\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":150046},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616549,"noise_level":-27.017109,"freq_skew":0.671988,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":914834},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.077389,"noise_level":-26.710831,"freq_skew":0.556884,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":916114},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.319129,"noise_level":-26.949562,"freq_skew":0.667221,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":916895},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.361069,"noise_level":-26.910984,"freq_skew":0.651645,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52547,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":917319},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.126729,"noise_level":-26.891758,"freq_skew":-1.240611,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":917407},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906164,"noise_level":-26.891758,"freq_skew":0.001848,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":42.900002,"lon":-6.400000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733729,"usec":919369},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.726693,"noise_level":-27.286705,"freq_skew":0.452212,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733730,"usec":665731},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.884193,"noise_level":-27.468111,"freq_skew":-0.030936,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"TP0687","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733730,"usec":666282},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542629,"noise_level":-27.447613,"freq_skew":0.542844,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"H1","blk_id":"S","ack":"!","sublabel":"MD","msg_text":"REQPRG,DT.PR10B2"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733730,"usec":667444},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.280479,"noise_level":-27.773359,"freq_skew":1.083967,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":253,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1531,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[53,146,154,244]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733730,"usec":668285},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544976,"noise_level":-27.709824,"freq_skew":0.149290,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,211,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733730,"usec":668698},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.100126,"noise_level":-27.709824,"freq_skew":1.189246,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.000000,"lon":-4.100000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733730,"usec":668885},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.320491,"noise_level":-28.555008,"freq_skew":0.485433,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733730,"usec":669137},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614181,"noise_level":-28.555008,"freq_skew":0.592078,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"9","ack":"S","flight":"BA465M","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733730,"usec":670112},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.040487,"noise_level":-28.508615,"freq_skew":0.451462,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,69,90,89,0,64,127,53,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":33137,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30749,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[61,219,9,245]},{"name":"checksum","value":[170,188]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733730,"usec":671763},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.527478,"noise_level":-28.452942,"freq_skew":0.618646,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,69,90,89,0,64,127,53,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":33137,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30749,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[61,219,9,245]},{"name":"checksum","value":[170,188]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733731,"usec":434605},"freq":136975000,"burst_len_octets":152,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809024,"noise_level":-28.248491,"freq_skew":0.736064,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733731,"usec":434605},"freq":136975000,"burst_len_octets":152,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.809024,"noise_level":-28.248491,"freq_skew":0.736064,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733731,"usec":434865},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.027657,"noise_level":-28.248491,"freq_skew":0.730238,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733731,"usec":435106},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.526373,"noise_level":-28.335632,"freq_skew":0.743834,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733731,"usec":439882},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.105339,"noise_level":-28.067675,"freq_skew":1.389944,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"VY33KE","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733731,"usec":439882},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.105339,"noise_level":-28.067675,"freq_skew":1.389944,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733731,"usec":441207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.030408,"noise_level":-28.766212,"freq_skew":1.149116,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":192563},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.564054,"noise_level":-28.695015,"freq_skew":0.708885,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":193448},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.303398,"noise_level":-28.647873,"freq_skew":-1.335118,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":720,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1469,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[123,12,128,105]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":193448},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.303398,"noise_level":-28.647873,"freq_skew":-1.335118,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":721,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43318,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[19,140,9,107]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":29}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":193684},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.026007,"noise_level":-28.624399,"freq_skew":0.596929,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"_d","blk_id":"X","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":193788},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530713,"noise_level":-28.624399,"freq_skew":-1.195200,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":744,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[112,153,114,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":194469},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372719,"noise_level":-28.666000,"freq_skew":1.808377,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":622,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":198150},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.160787,"noise_level":-28.433571,"freq_skew":0.601955,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":199402},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.579992,"noise_level":-28.365038,"freq_skew":0.707477,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":199569},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750377,"noise_level":-28.365038,"freq_skew":0.990751,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[53,103,83,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":200340},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.838018,"noise_level":-28.319645,"freq_skew":0.587633,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8276,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[179,185,246,12]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":200340},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.838018,"noise_level":-28.319645,"freq_skew":0.587633,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[0,43,210,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":200340},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-3.838018,"noise_level":-28.319645,"freq_skew":0.587633,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52553,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1469,"dst_ref":8276,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[31,116,159,236]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":952732},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.121018,"noise_level":-28.472387,"freq_skew":-0.013330,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":952917},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.820208,"noise_level":-28.449381,"freq_skew":0.664563,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":954672},"freq":136975000,"burst_len_octets":136,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.259706,"noise_level":-28.335249,"freq_skew":0.533740,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"BA465M","msg_num":"F06","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGLL,27L,46,213018,/PR1375,308,360,94,,0,50,,M56,130,,,P15,P0,36090,,1281,31189C3"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":955724},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.002119,"noise_level":-28.312603,"freq_skew":0.570291,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,69,90,89,0,64,127,53,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":33137,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30749,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[61,219,9,245]},{"name":"checksum","value":[170,188]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":956311},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346766,"noise_level":-28.312603,"freq_skew":0.674051,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,69,90,89,0,64,127,53,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":33137,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30749,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[61,219,9,245]},{"name":"checksum","value":[170,188]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":958761},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.435442,"noise_level":-28.222599,"freq_skew":2.232831,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5545,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[205,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":960551},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.108087,"noise_level":-28.177944,"freq_skew":0.446759,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJO","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FR97JL","msg_num":"M06","msg_num_seq":"A","msg_text":"201531,38999,2050,  87,N 40.435 W  7.282"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733732,"usec":961988},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.806212,"noise_level":-28.133518,"freq_skew":1.046883,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":776,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733733,"usec":713607},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.766247,"noise_level":-28.023438,"freq_skew":0.511020,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":276,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":58,"dst_ref":30749,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[48,158,183,87]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733733,"usec":714005},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720706,"noise_level":-28.001587,"freq_skew":2.350750,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[133,210,0,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733733,"usec":714147},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405754,"noise_level":-28.001587,"freq_skew":0.435761,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733733,"usec":716561},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.593177,"noise_level":-27.893158,"freq_skew":0.452320,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[163,106,169,129]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733734,"usec":481847},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.001029,"noise_level":-27.786060,"freq_skew":1.049437,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":42.900002,"lon":-2.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733734,"usec":485968},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.819449,"noise_level":-27.998629,"freq_skew":0.549448,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733734,"usec":488251},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.290939,"noise_level":-28.637310,"freq_skew":1.170535,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJQ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EC92GY","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733734,"usec":488251},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.290939,"noise_level":-28.637310,"freq_skew":1.170535,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21004074","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,8,60,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733734,"usec":488575},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.940763,"noise_level":-28.613863,"freq_skew":1.176491,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"VY33KE","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733734,"usec":490002},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432978,"noise_level":-28.941822,"freq_skew":0.627403,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":232932},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.972493,"noise_level":-28.869175,"freq_skew":1.155030,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":233107},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733112,"noise_level":-28.869175,"freq_skew":0.637893,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":233751},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.717262,"noise_level":-28.821083,"freq_skew":1.734013,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSP","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"FRRYS7","msg_num":"M88","msg_num_seq":"A","msg_text":"201532,M118204,2253, 230,N 41.453 W  5.040"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":235716},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228732,"noise_level":-29.179316,"freq_skew":0.588970,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":235914},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.765496,"noise_level":-29.179316,"freq_skew":0.733115,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8276,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[179,185,246,12]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":235914},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.765496,"noise_level":-29.179316,"freq_skew":0.733115,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[0,43,210,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":235914},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-3.765496,"noise_level":-29.179316,"freq_skew":0.733115,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52553,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1469,"dst_ref":8276,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[31,116,159,236]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":236424},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.266078,"noise_level":-29.528961,"freq_skew":0.730283,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":237502},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.440986,"noise_level":-29.477083,"freq_skew":0.414143,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[53,92,216,77]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1498,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[66,37,79,192]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":241687},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.275327,"noise_level":-29.272612,"freq_skew":-2.181529,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733735,"usec":241915},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616689,"noise_level":-29.272612,"freq_skew":0.619206,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":475},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.342069,"noise_level":-29.172153,"freq_skew":1.137494,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":1228},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632616,"noise_level":-29.122355,"freq_skew":1.173290,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[53,103,83,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":4388},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.226343,"noise_level":-28.950281,"freq_skew":0.473695,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSP","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":9109},"freq":136975000,"burst_len_octets":136,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.120143,"noise_level":-29.218369,"freq_skew":-2.341002,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNE","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"BA045P","msg_num":"F45","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGLL,27L,53,213420,/PR1394,297,340,104,,0,20,,M52,130,,,P30,P0,36090,,1290,3020211"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":760204},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.313222,"noise_level":-29.093750,"freq_skew":0.471959,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJO","mode":"2","label":"_d","blk_id":"Y","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":761653},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.093595,"noise_level":-28.995327,"freq_skew":-1.353751,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":762281},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697171,"noise_level":-29.569206,"freq_skew":0.469642,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":381,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1498,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[18,18,84,253]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":35}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":762564},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.682721,"noise_level":-29.543110,"freq_skew":1.651530,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[254,120,17,12]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":762814},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.856744,"noise_level":-29.517088,"freq_skew":0.569279,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18562,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8277,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[6,197,120,222]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":764217},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583442,"noise_level":-29.465279,"freq_skew":0.568629,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":766802},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.393826,"noise_level":-29.362581,"freq_skew":0.561930,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"X","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733736,"usec":768938},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.085301,"noise_level":-29.235893,"freq_skew":-2.335750,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNE","mode":"2","label":"_d","blk_id":"1","ack":"A","flight":"BA045P","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733737,"usec":522653},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.237360,"noise_level":-28.939171,"freq_skew":-1.242222,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,64,97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733737,"usec":523125},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.748394,"noise_level":-29.398918,"freq_skew":0.413842,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733737,"usec":523510},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.295969,"noise_level":-29.373325,"freq_skew":0.439228,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8276,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[179,185,246,12]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733737,"usec":528080},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.239608,"noise_level":-29.221333,"freq_skew":0.509262,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733737,"usec":529495},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.632182,"noise_level":-29.171253,"freq_skew":0.721953,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[0,43,210,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733737,"usec":529495},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.632182,"noise_level":-29.171253,"freq_skew":0.721953,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52553,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1469,"dst_ref":8276,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[31,116,159,236]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":280212},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.602332,"noise_level":-29.047306,"freq_skew":0.831490,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEH","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"FR24GH","msg_num":"M27","msg_num_seq":"A","msg_text":"201535,M110132,2122, 118,N 44.210 W  3.060"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":280646},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.045511,"noise_level":-29.022728,"freq_skew":-1.154957,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":283058},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.187721,"noise_level":-28.852594,"freq_skew":-1.388323,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":283058},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.187721,"noise_level":-28.852594,"freq_skew":-1.388323,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":722,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":8276,"dst_ref":1469,"variable_part_params":[{"name":"atn_checksum","value":[30,31,59,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":283058},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.187721,"noise_level":-28.852594,"freq_skew":-1.388323,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":723,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[243,122,122,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":283615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.370334,"noise_level":-28.828562,"freq_skew":1.652493,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":284354},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.242204,"noise_level":-28.838387,"freq_skew":0.599951,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":286500},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.434335,"noise_level":-28.790459,"freq_skew":0.621653,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":286500},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.434335,"noise_level":-28.790459,"freq_skew":0.621653,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":288463},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.144684,"noise_level":-29.242811,"freq_skew":0.511092,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":289028},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695287,"noise_level":-29.192610,"freq_skew":0.457085,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733738,"usec":289496},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.504269,"noise_level":-29.167618,"freq_skew":0.501467,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSP","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":48426},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142417,"noise_level":-28.994654,"freq_skew":0.410735,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":382,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[138,41,11,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":48561},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661186,"noise_level":-28.994654,"freq_skew":-1.273132,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":49166},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.320065,"noise_level":-28.945862,"freq_skew":0.521712,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2216","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEH","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":50149},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.005292,"noise_level":-28.873180,"freq_skew":1.155471,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":718,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":50636},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.550523,"noise_level":-28.849089,"freq_skew":2.368618,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[132,44]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":56063},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.717246,"noise_level":-28.635220,"freq_skew":-1.262588,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"_d","blk_id":"4","ack":"E","flight":"VY01MC","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":56748},"freq":136975000,"burst_len_octets":136,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.270795,"noise_level":-28.588400,"freq_skew":-2.241332,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNE","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"BA045P","msg_num":"F45","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGLL,27L,53,213420,/PR1394,297,340,104,,0,20,,M52,130,,,P30,P0,36090,,1290,3020211"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":814546},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639866,"noise_level":-28.495510,"freq_skew":1.122469,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[53,103,83,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":815163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.745640,"noise_level":-28.449436,"freq_skew":1.779678,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":816220},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.061129,"noise_level":-28.380777,"freq_skew":0.462142,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":819666},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.313549,"noise_level":-28.155756,"freq_skew":0.884073,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":820207},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.367181,"noise_level":-28.155756,"freq_skew":0.478593,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNO","mode":"2","label":"_d","blk_id":"X","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733739,"usec":821748},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.130301,"noise_level":-28.067356,"freq_skew":-1.422668,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733740,"usec":571099},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563586,"noise_level":-27.743641,"freq_skew":0.447954,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733740,"usec":571543},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477752,"noise_level":-27.722483,"freq_skew":0.440474,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733740,"usec":573053},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399711,"noise_level":-27.701567,"freq_skew":1.063271,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"TP19UT","msg_num":"C09","msg_num_seq":"A","sublabel":"CF","msg_text":"ACMF210_TAKEOFF_20250728201527S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:15:27\nA/C CS-TPS\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 2134\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:15:27 T 2025JUL28 20:15:27\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733740,"usec":573464},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.743644,"noise_level":-27.680511,"freq_skew":0.791358,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733741,"usec":340397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.227216,"noise_level":-27.289852,"freq_skew":1.308384,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733741,"usec":341267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.203075,"noise_level":-27.841846,"freq_skew":-1.285941,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733741,"usec":343065},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.586646,"noise_level":-27.735378,"freq_skew":-2.323183,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733742,"usec":101898},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.516223,"noise_level":-27.690235,"freq_skew":1.146997,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":626,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733742,"usec":109333},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808581,"noise_level":-27.279043,"freq_skew":1.557284,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1421,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[94,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733742,"usec":855258},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.603554,"noise_level":-27.199093,"freq_skew":-0.100188,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":109,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[6,241,220,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733742,"usec":859077},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.442858,"noise_level":-26.982941,"freq_skew":0.499011,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[167,114,246,210]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":5,"acked_credit":3}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733742,"usec":866090},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441147,"noise_level":-27.553013,"freq_skew":0.885291,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"TP19UT","msg_num":"C09","msg_num_seq":"B","sublabel":"CF","msg_text":"-----\n232.839, 4, 2, 4, 5, 7, 3, 60, 561, 78.2968, 14.25, 4419.75, 86.0625, 847, 90.\n1718, 90.2187, 0.0390648, 90.5781, 0.425807, 0, 0.283203, 93.7968, 0.246108, 0.\n28908, 0.662109, 15, 87.0793, 112.424, 23"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733743,"usec":627211},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.592660,"noise_level":-27.187769,"freq_skew":0.451991,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733743,"usec":628012},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.335221,"noise_level":-27.167921,"freq_skew":-0.143964,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733743,"usec":628500},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348818,"noise_level":-28.151567,"freq_skew":1.599436,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":623,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[149,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733744,"usec":391403},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.088577,"noise_level":-27.551138,"freq_skew":1.169396,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733745,"usec":140860},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904752,"noise_level":-27.489202,"freq_skew":1.489421,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":705,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[182,85,222,58]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733745,"usec":141235},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.926572,"noise_level":-27.468653,"freq_skew":1.248791,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733745,"usec":910159},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.523640,"noise_level":-26.984230,"freq_skew":0.688656,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[182,10,132,160]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":127.325000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733746,"usec":669636},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.715007,"noise_level":-27.403395,"freq_skew":1.432751,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1421,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[94,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733746,"usec":669731},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.841492,"noise_level":-27.403395,"freq_skew":0.582991,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18582,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[151,168,75,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733746,"usec":670457},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425861,"noise_level":-27.342501,"freq_skew":0.930051,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"TP19UT","msg_num":"C09","msg_num_seq":"C","sublabel":"CF","msg_text":"6.312, 15, 493.25, 666.437, 531.687,\n65.625, 0.28125, -2.75, 4, 2, 4, 5, 3, 8, 60, 561, 78.5937, 13.0156, 4472.75,\n84.2031, 839.25, 90.2187, 90.2656, 0.531282, 90.625, 1.21491, 0, 0.8125, 93.\n8906, 0.273454"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733746,"usec":671815},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.721199,"noise_level":-27.282028,"freq_skew":2.619790,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":800,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[161,58,67,235]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733746,"usec":674860},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.770685,"noise_level":-27.142542,"freq_skew":1.738422,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1509,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[76,195,136,188]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1509,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[32,90,136,247]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733747,"usec":431583},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672989,"noise_level":-26.831886,"freq_skew":0.450274,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":56569,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733747,"usec":431766},"freq":136975000,"burst_len_octets":224,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.929223,"noise_level":-26.831886,"freq_skew":0.657499,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"10","blk_id":"G","ack":"!","msg_text":"4PAD11/\r\nEn caso de no haber enviado la informacion de\r\ncarga de combustible total realizada,\r\nunidades y densidad, por favor envielo ASAP\r\na traves de la pantalla de Experiencia Reciente"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733747,"usec":432908},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839343,"noise_level":-26.793823,"freq_skew":1.687843,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1422,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[21,82]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733747,"usec":435799},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.848253,"noise_level":-26.661903,"freq_skew":-2.207001,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"6","ack":"G","flight":"IB0591","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733747,"usec":437325},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659602,"noise_level":-26.624580,"freq_skew":0.510039,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733747,"usec":437325},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.659602,"noise_level":-26.624580,"freq_skew":0.510039,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52564,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[247,76,55,118]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733748,"usec":191112},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757163,"noise_level":-26.440317,"freq_skew":1.358735,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733748,"usec":193120},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.129330,"noise_level":-26.331606,"freq_skew":0.682218,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":414,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[33,251,17,70]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[108,10,19,28]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733748,"usec":193228},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.901680,"noise_level":-26.331606,"freq_skew":0.520087,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733748,"usec":949473},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.457730,"noise_level":-26.472683,"freq_skew":1.558176,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":624,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[76,38]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733748,"usec":956516},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509240,"noise_level":-26.114180,"freq_skew":1.027513,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"TP19UT","msg_num":"C09","msg_num_seq":"D","sublabel":"CF","msg_text":", 0.335958, 0.763671, 15, 83.5873, 115.496, 238.375, 15, 493.25,\n671.25, 531.5, 65.5, 0.25, -2.625, 0, 1, 0, 0, 0.46363, 0, 0, 1, 1, 51.0859,\n49.7578, 15031.7, 0, 0, 0.877272, 12.6531, 76, 80, 80, 84, 76, 6"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733749,"usec":717034},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509218,"noise_level":-25.992119,"freq_skew":0.718426,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733749,"usec":717530},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690607,"noise_level":-25.974823,"freq_skew":1.896054,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1509,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[76,195,136,188]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1509,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[32,90,136,247]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733749,"usec":718478},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.479026,"noise_level":-25.923134,"freq_skew":-0.264778,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":675,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[232,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733749,"usec":720538},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.276970,"noise_level":-25.985687,"freq_skew":0.476101,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52564,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[247,76,55,118]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733750,"usec":470043},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788349,"noise_level":-26.142693,"freq_skew":0.569947,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18590,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[36,99,5,84]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":134.355000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733750,"usec":471059},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.801470,"noise_level":-26.089996,"freq_skew":-1.899696,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":279,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733750,"usec":476188},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.865187,"noise_level":-25.882362,"freq_skew":1.886140,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60999,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[42,40,149,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733750,"usec":477100},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432978,"noise_level":-26.725313,"freq_skew":2.046785,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733750,"usec":477548},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490884,"noise_level":-27.187141,"freq_skew":-0.765940,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733750,"usec":479442},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921876,"noise_level":-27.127739,"freq_skew":1.361385,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[121,141,178,58]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43271,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[109,182,63,72]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733751,"usec":236837},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.783634,"noise_level":-28.008490,"freq_skew":1.848188,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60999,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[57,120,114,84]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733751,"usec":238015},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.966032,"noise_level":-27.943218,"freq_skew":-2.862792,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-3.100000},"alt":13000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733751,"usec":239841},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.074547,"noise_level":-27.863075,"freq_skew":-0.658190,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[74,246,153,150]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1525,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,221,2,243]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733751,"usec":240163},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.503953,"noise_level":-27.841625,"freq_skew":0.432372,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18591,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,200,237,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733751,"usec":240517},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738227,"noise_level":-27.820227,"freq_skew":1.688599,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1422,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[21,82]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733751,"usec":240610},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529305,"noise_level":-27.820227,"freq_skew":2.404775,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCRR"},{"name":"ac_location","value":{"loc":{"lat":42.700001,"lon":-6.600000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733751,"usec":242421},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.175617,"noise_level":-27.735159,"freq_skew":-3.079362,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"IB04LY","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733751,"usec":242421},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.175617,"noise_level":-27.735159,"freq_skew":-3.079362,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020312","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,32,202,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733751,"usec":245500},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792414,"noise_level":-27.650917,"freq_skew":0.614166,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":5017},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.611030,"noise_level":-27.971191,"freq_skew":-1.168288,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":6707},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.334793,"noise_level":-28.515940,"freq_skew":2.200398,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"U285XQ","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":6707},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.334793,"noise_level":-28.515940,"freq_skew":2.200398,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062072","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,100,58,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":7693},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885196,"noise_level":-28.469755,"freq_skew":1.346548,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.000000,"lon":-4.100000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":8318},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764042,"noise_level":-28.446754,"freq_skew":1.796890,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1509,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[185,215,197,222]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":757132},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.601725,"noise_level":-28.690359,"freq_skew":-2.839061,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":757316},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.044193,"noise_level":-28.666767,"freq_skew":1.308916,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"VY33KE","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":757878},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885022,"noise_level":-28.643242,"freq_skew":1.276941,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":758515},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546803,"noise_level":-29.223921,"freq_skew":0.611441,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52570,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[77,25,105,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":758830},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.600963,"noise_level":-29.198837,"freq_skew":0.484784,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52571,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1509,"dst_ref":66,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[48,25,63,239]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":759621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.376921,"noise_level":-29.148888,"freq_skew":-0.879848,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":761814},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.481415,"noise_level":-28.976292,"freq_skew":1.708145,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":66,"dst_ref":1509,"variable_part_params":[{"name":"atn_checksum","value":[109,68,233,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":763951},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.842391,"noise_level":-28.855076,"freq_skew":1.852489,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733752,"usec":764658},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.894355,"noise_level":-28.807058,"freq_skew":-2.007341,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":279,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733753,"usec":528083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.152871,"noise_level":-28.524401,"freq_skew":1.882504,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[67,204,231,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733753,"usec":528818},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583877,"noise_level":-28.478174,"freq_skew":-2.802228,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733753,"usec":529639},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.109290,"noise_level":-28.455153,"freq_skew":1.983875,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[248,95,16,191]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1485,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[134,172,57,72]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733753,"usec":531394},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.110903,"noise_level":-28.386448,"freq_skew":1.197671,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733753,"usec":531641},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.145140,"noise_level":-28.363667,"freq_skew":1.113995,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733753,"usec":532082},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299258,"noise_level":-28.340946,"freq_skew":0.465401,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733753,"usec":533052},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.232709,"noise_level":-28.273134,"freq_skew":0.659188,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733753,"usec":533619},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.934200,"noise_level":-28.250648,"freq_skew":1.411550,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[121,141,178,58]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43271,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[109,182,63,72]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733754,"usec":289896},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234083,"noise_level":-28.794281,"freq_skew":1.741983,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":706,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30423,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[210,53,102,109]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30423,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[183,74,90,61]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733754,"usec":290221},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.318196,"noise_level":-28.770407,"freq_skew":0.645440,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18591,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,200,237,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733754,"usec":291492},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712282,"noise_level":-28.699177,"freq_skew":-0.929837,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCTS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733754,"usec":296432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.274520,"noise_level":-28.374273,"freq_skew":0.450438,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733754,"usec":297508},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569374,"noise_level":-28.328836,"freq_skew":2.347348,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"U285XQ","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733754,"usec":298164},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921390,"noise_level":-28.306206,"freq_skew":1.051740,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733754,"usec":298736},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834030,"noise_level":-28.306206,"freq_skew":2.344762,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":541,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[237,83,230,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":44184},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.110550,"noise_level":-28.570072,"freq_skew":1.501770,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":44882},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.225063,"noise_level":-28.523602,"freq_skew":2.395004,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062072","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,100,58,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":45983},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.316864,"noise_level":-28.454359,"freq_skew":-0.191308,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":676,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[183,198]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":46341},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698713,"noise_level":-28.431398,"freq_skew":-0.798993,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22111300","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,65,75,0,72,146,192,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":46341},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.698713,"noise_level":-28.431398,"freq_skew":-0.798993,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-EXA","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"E477LB","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":47006},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.510300,"noise_level":-28.385660,"freq_skew":1.923215,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":47665},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.694034,"noise_level":-28.362883,"freq_skew":0.533763,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20062072","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":49978},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.020004,"noise_level":-28.618546,"freq_skew":-1.278037,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[228,196,73,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":51470},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.840088,"noise_level":-28.502188,"freq_skew":-1.529740,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":745,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":51681},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.172680,"noise_level":-28.502188,"freq_skew":0.727764,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18601,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8277,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[163,229,248,161]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":54}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECM,/ATC UNIT MADRID,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":52008},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.846393,"noise_level":-28.479101,"freq_skew":1.446176,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43271,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[13,204,253,210]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":53}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":814680},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461100,"noise_level":-28.296587,"freq_skew":2.211969,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":816771},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.397747,"noise_level":-28.162176,"freq_skew":0.508284,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":820590},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500327,"noise_level":-28.051735,"freq_skew":2.185977,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":821455},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577232,"noise_level":-28.007946,"freq_skew":0.687995,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20062072","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733755,"usec":822233},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.120492,"noise_level":-28.449457,"freq_skew":-0.578476,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":560,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1525,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[30,210,110,120]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":54}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733756,"usec":574103},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.127216,"noise_level":-28.222673,"freq_skew":-1.184021,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733756,"usec":574211},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.447537,"noise_level":-28.222673,"freq_skew":-0.847896,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733756,"usec":581518},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.259566,"noise_level":-28.429346,"freq_skew":2.222358,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733757,"usec":338883},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.997643,"noise_level":-28.661785,"freq_skew":0.375835,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":44.400002,"lon":-3.900000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733757,"usec":338883},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.997643,"noise_level":-28.661785,"freq_skew":0.375835,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[172,35,125,44]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733757,"usec":339797},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.258527,"noise_level":-28.614822,"freq_skew":1.050218,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":787,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43172,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[41,134,110,113]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43172,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[11,127,16,52]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733757,"usec":340416},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.951288,"noise_level":-28.568113,"freq_skew":1.413949,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":706,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30423,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[210,53,102,109]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30423,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[183,74,90,61]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733757,"usec":342439},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.612551,"noise_level":-28.521650,"freq_skew":0.439335,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":56843,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733757,"usec":343590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.555521,"noise_level":-28.498514,"freq_skew":-0.640561,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733757,"usec":347343},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.125333,"noise_level":-28.360968,"freq_skew":0.435829,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVI","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"EC49VX","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733757,"usec":347343},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.125333,"noise_level":-28.360968,"freq_skew":0.435829,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000200","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,128,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733757,"usec":349312},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.082833,"noise_level":-28.247984,"freq_skew":1.206338,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733758,"usec":95019},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.663894,"noise_level":-28.070213,"freq_skew":-0.877092,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[189,150,148,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733758,"usec":95827},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.451155,"noise_level":-28.026333,"freq_skew":1.189697,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,45,173,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733758,"usec":96881},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.775630,"noise_level":-28.366488,"freq_skew":1.529880,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733758,"usec":101484},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.951254,"noise_level":-28.186300,"freq_skew":1.299766,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733758,"usec":860581},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336916,"noise_level":-27.901241,"freq_skew":0.456385,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733758,"usec":868615},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.872246,"noise_level":-28.126451,"freq_skew":2.498466,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[222,66]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733759,"usec":622828},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.440119,"noise_level":-27.886284,"freq_skew":0.261686,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733759,"usec":623515},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.105553,"noise_level":-27.864777,"freq_skew":1.463934,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":707,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30423,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[223,138,92,236]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733759,"usec":626335},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176489,"noise_level":-28.064997,"freq_skew":1.527906,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":708,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43315,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[94,43,175,45]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733759,"usec":631451},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672705,"noise_level":-27.869375,"freq_skew":0.695848,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":56843,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733760,"usec":378824},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.061957,"noise_level":-27.741367,"freq_skew":1.472766,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":709,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":69,"dst_ref":30423,"variable_part_params":[{"name":"atn_checksum","value":[7,125,7,183]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733760,"usec":379638},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.112620,"noise_level":-27.678066,"freq_skew":0.930044,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[219,161,17,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733760,"usec":381116},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.783766,"noise_level":-27.573574,"freq_skew":-1.159072,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733760,"usec":382581},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.497714,"noise_level":-28.354628,"freq_skew":2.070045,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733761,"usec":140183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.693383,"noise_level":-28.130276,"freq_skew":1.477187,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733761,"usec":140898},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.354700,"noise_level":-28.064083,"freq_skew":1.350618,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,45,173,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733761,"usec":144018},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630399,"noise_level":-27.889999,"freq_skew":0.874359,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733761,"usec":906192},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.802097,"noise_level":-27.677193,"freq_skew":-1.389050,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[73,71,172,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733761,"usec":907007},"freq":136975000,"burst_len_octets":103,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420604,"noise_level":-27.635248,"freq_skew":1.236472,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":788,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43172,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[197,117,238,97]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733761,"usec":907007},"freq":136975000,"burst_len_octets":103,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.420604,"noise_level":-27.635248,"freq_skew":1.236472,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":789,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":23071,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[164,8,195,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":15,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733761,"usec":919322},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.743567,"noise_level":-27.266602,"freq_skew":0.405860,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":56843,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733761,"usec":919905},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.238020,"noise_level":-27.442122,"freq_skew":0.724232,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733762,"usec":659844},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454761,"noise_level":-27.421684,"freq_skew":1.111300,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733762,"usec":660344},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.147206,"noise_level":-27.380953,"freq_skew":1.013966,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733762,"usec":662720},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013690,"noise_level":-27.219917,"freq_skew":0.726613,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733762,"usec":666539},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809057,"noise_level":-27.061810,"freq_skew":-1.469025,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":746,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[197,102,164,129]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43265,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[121,25,107,251]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733762,"usec":667182},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737777,"noise_level":-27.022728,"freq_skew":0.727095,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":416,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[118,200,67,240]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733762,"usec":667741},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.968017,"noise_level":-27.003254,"freq_skew":-2.105297,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733763,"usec":426039},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.668441,"noise_level":-26.922171,"freq_skew":1.751997,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1485,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[112,96,94,132]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733763,"usec":426526},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.021235,"noise_level":-26.902920,"freq_skew":1.298539,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":66,"dst_ref":43172,"variable_part_params":[{"name":"atn_checksum","value":[41,206,169,85]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733763,"usec":426526},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.021235,"noise_level":-26.902920,"freq_skew":1.298539,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733763,"usec":428383},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.380472,"noise_level":-26.769344,"freq_skew":-0.397451,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":890,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[37,93,151,148]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43203,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[50,87,241,62]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733763,"usec":429182},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.283593,"noise_level":-26.712723,"freq_skew":1.360445,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":791,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23071,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[69,196,245,229]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733763,"usec":430403},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.886788,"noise_level":-26.656466,"freq_skew":1.701766,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":709,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":69,"dst_ref":30423,"variable_part_params":[{"name":"atn_checksum","value":[7,125,7,183]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733763,"usec":430470},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212496,"noise_level":-26.656466,"freq_skew":-1.478497,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733764,"usec":200905},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.777134,"noise_level":-26.750370,"freq_skew":1.832247,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733764,"usec":954007},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.535456,"noise_level":-26.718067,"freq_skew":0.676949,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18623,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[2,244,69,103]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733764,"usec":955341},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.487504,"noise_level":-27.120506,"freq_skew":-1.877303,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[153,196,103,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733764,"usec":955433},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.290941,"noise_level":-27.120506,"freq_skew":1.492842,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,45,173,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733764,"usec":956907},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539227,"noise_level":-27.022476,"freq_skew":-1.038795,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":729,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":9,"ack":5,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733764,"usec":962314},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.928473,"noise_level":-26.925537,"freq_skew":1.810199,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":269,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[108,254,11,175]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733764,"usec":963578},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.463066,"noise_level":-26.867889,"freq_skew":0.422489,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18625,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":69,"credit":10,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[104,230,35,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733764,"usec":966403},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954561,"noise_level":-26.791618,"freq_skew":1.117901,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":719,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[140,16,78,173]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733765,"usec":724520},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.125032,"noise_level":-27.536480,"freq_skew":0.424876,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733765,"usec":726625},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.554325,"noise_level":-27.372561,"freq_skew":-2.387003,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":578,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[8,207,221,65]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733765,"usec":726955},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.746622,"noise_level":-27.352287,"freq_skew":0.730725,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733765,"usec":729302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.484567,"noise_level":-27.352287,"freq_skew":0.638770,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733766,"usec":482397},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.888135,"noise_level":-27.656189,"freq_skew":-2.184919,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":579,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[188,162,59,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733766,"usec":487104},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538646,"noise_level":-27.387749,"freq_skew":-0.387700,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":890,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43203,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[37,93,151,148]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43203,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[50,87,241,62]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733766,"usec":487646},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.326467,"noise_level":-27.367439,"freq_skew":1.548794,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":709,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":69,"dst_ref":30423,"variable_part_params":[{"name":"atn_checksum","value":[7,125,7,183]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733767,"usec":240755},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.130874,"noise_level":-27.226585,"freq_skew":-1.548933,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733767,"usec":241185},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499007,"noise_level":-27.206650,"freq_skew":-2.156591,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733767,"usec":248693},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.281457,"noise_level":-27.029747,"freq_skew":-0.301063,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":891,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43203,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[186,52,195,91]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":334},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.154828,"noise_level":-26.798702,"freq_skew":-0.308060,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":892,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60969,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[33,101,240,10]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":6}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":1583},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.320949,"noise_level":-26.723032,"freq_skew":-0.171451,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":5444},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724364,"noise_level":-26.840696,"freq_skew":-2.068685,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[153,196,103,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":5864},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.115712,"noise_level":-27.657719,"freq_skew":0.043014,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[184,99,44,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":6934},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.018527,"noise_level":-27.615868,"freq_skew":-0.215576,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":893,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":78,"dst_ref":43203,"variable_part_params":[{"name":"atn_checksum","value":[214,241,51,17]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":762331},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.609704,"noise_level":-27.470961,"freq_skew":0.571215,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18630,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[126,16,172,222]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":11,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":763106},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414864,"noise_level":-27.430000,"freq_skew":-0.617987,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EGNM"},{"name":"ac_location","value":{"loc":{"lat":39.200001,"lon":-3.400000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":766191},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.917863,"noise_level":-27.288136,"freq_skew":2.148232,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":596,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":768684},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.866171,"noise_level":-27.168358,"freq_skew":-2.052071,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[233,10,157,46]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43126,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[80,71,8,191]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":11,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":771412},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.989387,"noise_level":-27.251940,"freq_skew":-0.428234,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733768,"usec":771754},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.075630,"noise_level":-27.231945,"freq_skew":1.346012,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,45,173,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733769,"usec":528890},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.159173,"noise_level":-27.132654,"freq_skew":-0.396471,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFM","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LS0008","msg_num":"M26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733769,"usec":530377},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.819532,"noise_level":-27.034489,"freq_skew":-2.462054,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":579,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[188,162,59,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733769,"usec":531260},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.741133,"noise_level":-27.661530,"freq_skew":-1.303240,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":747,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43265,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[198,42,25,245]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733769,"usec":534126},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716744,"noise_level":-28.462990,"freq_skew":-0.095735,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43252,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[44,173,210,59]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733769,"usec":534514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.836655,"noise_level":-29.020935,"freq_skew":0.446865,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733770,"usec":284603},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567986,"noise_level":-28.543518,"freq_skew":-0.595368,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733770,"usec":285479},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491875,"noise_level":-28.497189,"freq_skew":1.571886,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733770,"usec":287196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.058167,"noise_level":-28.451103,"freq_skew":-0.812661,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733770,"usec":287974},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.965552,"noise_level":-28.405264,"freq_skew":1.499664,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":710,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[102,94,37,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733770,"usec":289366},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.948509,"noise_level":-28.314301,"freq_skew":-1.454080,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733771,"usec":48476},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.212975,"noise_level":-28.224277,"freq_skew":-1.379269,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733771,"usec":51510},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.244181,"noise_level":-28.025078,"freq_skew":-0.008747,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733771,"usec":58094},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.180947,"noise_level":-27.808973,"freq_skew":-0.275772,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":893,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":78,"dst_ref":43203,"variable_part_params":[{"name":"atn_checksum","value":[214,241,51,17]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733771,"usec":58515},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.774518,"noise_level":-27.787657,"freq_skew":-0.280231,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733771,"usec":60903},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885527,"noise_level":-27.724016,"freq_skew":-0.491951,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[59,21,73,12]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733771,"usec":807426},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.600946,"noise_level":-28.036947,"freq_skew":-1.564597,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733771,"usec":811190},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083519,"noise_level":-27.756672,"freq_skew":2.355337,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":596,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733771,"usec":811976},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.725983,"noise_level":-27.714344,"freq_skew":-1.508030,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":748,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[57,6,159,113]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733772,"usec":570199},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228675,"noise_level":-27.403294,"freq_skew":-0.275062,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733772,"usec":570569},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.164573,"noise_level":-27.744942,"freq_skew":0.568422,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733772,"usec":578414},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.852526,"noise_level":-27.392033,"freq_skew":1.712843,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"VY04LJ","msg_num":"M02","msg_num_seq":"A","msg_text":"201606,33984,2100, 124,N 40.774 W  6.593, 795"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733773,"usec":339947},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.137119,"noise_level":-27.790575,"freq_skew":0.440938,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733774,"usec":98880},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.526616,"noise_level":-27.476833,"freq_skew":0.526709,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733774,"usec":855445},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.161183,"noise_level":-27.036251,"freq_skew":-0.196983,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[59,21,73,12]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733774,"usec":855850},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.433796,"noise_level":-27.016747,"freq_skew":1.289650,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,45,173,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733774,"usec":863710},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.037750,"noise_level":-26.748178,"freq_skew":2.041829,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733775,"usec":615876},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.024486,"noise_level":-26.579811,"freq_skew":-0.308508,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":895,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[144,225,123,182]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60969,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,41,217,134]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733775,"usec":617457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.130281,"noise_level":-26.469353,"freq_skew":-0.044147,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733775,"usec":622455},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.064707,"noise_level":-26.252563,"freq_skew":-1.718221,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"83","blk_id":"2","ack":"!","flight":"LO05JL","msg_num":"M63","msg_num_seq":"A","msg_text":"LPPT,EPWA,282016, 41.30,-  6.12,39999,260,  30.1, 20200"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733776,"usec":384086},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792058,"noise_level":-27.068233,"freq_skew":2.086210,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":462,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733776,"usec":385489},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.143691,"noise_level":-26.970787,"freq_skew":-1.703542,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-6.100000},"alt":39000}},{"name":"alternate_ground_stations","value":["119C1A","119ADA","1192CA","11928A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733776,"usec":386763},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.605854,"noise_level":-26.893612,"freq_skew":0.553575,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733776,"usec":392699},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809254,"noise_level":-26.779116,"freq_skew":-0.418382,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733776,"usec":396211},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.173800,"noise_level":-26.684841,"freq_skew":0.635787,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733777,"usec":144130},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.135159,"noise_level":-26.610153,"freq_skew":1.487931,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1423,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733777,"usec":145020},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.305325,"noise_level":-26.554556,"freq_skew":1.204249,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733777,"usec":145438},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.997659,"noise_level":-26.536102,"freq_skew":0.890453,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":541,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[232,245,0,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733779,"usec":438885},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.745330,"noise_level":-25.422945,"freq_skew":1.947792,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":462,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":191378},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382209,"noise_level":-25.866112,"freq_skew":0.671343,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7218,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":192009},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.830257,"noise_level":-25.832047,"freq_skew":-1.653344,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":193772},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.878605,"noise_level":-25.857409,"freq_skew":-1.399053,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":196266},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.200767,"noise_level":-26.302845,"freq_skew":0.687696,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":197481},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655875,"noise_level":-26.808041,"freq_skew":1.176258,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":792,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23071,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[239,94,90,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":200464},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923915,"noise_level":-26.808041,"freq_skew":0.551158,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":57506,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":201509},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.235829,"noise_level":-27.334242,"freq_skew":-0.003990,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKI","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR0706","msg_num":"M06","msg_num_seq":"A","msg_text":"201618,,2032,  73,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":949794},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.334398,"noise_level":-27.273827,"freq_skew":0.686157,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52597,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[86,145,206,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":952183},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691971,"noise_level":-27.114744,"freq_skew":2.428662,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":597,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[209,104,252,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":952468},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757696,"noise_level":-27.095062,"freq_skew":0.553620,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":57524,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":957069},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.650084,"noise_level":-26.939194,"freq_skew":0.014782,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43252,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[123,196,81,191]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":957995},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.038008,"noise_level":-27.508484,"freq_skew":0.641468,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA808","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733780,"usec":958595},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921217,"noise_level":-27.487890,"freq_skew":1.980063,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733781,"usec":724609},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.296098,"noise_level":-27.284595,"freq_skew":0.530022,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733781,"usec":727011},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.281331,"noise_level":-27.125320,"freq_skew":2.263400,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733782,"usec":477265},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.526256,"noise_level":-27.162155,"freq_skew":0.413572,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA808","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKI","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733782,"usec":480230},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.329699,"noise_level":-26.946911,"freq_skew":0.044888,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733782,"usec":481176},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939131,"noise_level":-26.889122,"freq_skew":0.517204,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":495,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,229,205,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733782,"usec":481479},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.035334,"noise_level":-26.889122,"freq_skew":0.722063,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52601,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,171,4,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733782,"usec":484758},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.425026,"noise_level":-26.736872,"freq_skew":0.703506,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,31,24,170]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733782,"usec":485135},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.336396,"noise_level":-26.718027,"freq_skew":0.470090,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":649,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[147,148,181,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733783,"usec":238787},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687130,"noise_level":-26.531794,"freq_skew":0.326110,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733783,"usec":240965},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.022184,"noise_level":-26.440153,"freq_skew":2.061678,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":589,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733783,"usec":241440},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.849746,"noise_level":-26.440153,"freq_skew":0.353283,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733783,"usec":243121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.081165,"noise_level":-26.349468,"freq_skew":0.598952,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733783,"usec":246787},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.653481,"noise_level":-26.313459,"freq_skew":-2.134933,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43126,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[80,71,8,191]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":11,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733783,"usec":247927},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.861605,"noise_level":-26.277597,"freq_skew":2.312938,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":597,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[209,104,252,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733784,"usec":628},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.482258,"noise_level":-26.865042,"freq_skew":0.776892,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":460,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733784,"usec":757},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.128118,"noise_level":-26.865042,"freq_skew":0.575671,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18652,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[87,193,119,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733784,"usec":1079},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.512080,"noise_level":-26.845915,"freq_skew":-0.132699,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,253,220,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733784,"usec":7216},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716529,"noise_level":-26.951113,"freq_skew":-0.686878,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":730,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[106,14,109,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733784,"usec":7833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.051204,"noise_level":-27.285498,"freq_skew":0.658813,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733784,"usec":765592},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.272892,"noise_level":-27.086830,"freq_skew":1.229085,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":792,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23071,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[239,94,90,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733784,"usec":765592},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.272892,"noise_level":-27.086830,"freq_skew":1.229085,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733784,"usec":765854},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.103583,"noise_level":-27.067213,"freq_skew":-2.115590,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733784,"usec":771837},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.171964,"noise_level":-26.816120,"freq_skew":0.830293,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.799999,"lon":-2.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733784,"usec":775371},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583735,"noise_level":-26.721447,"freq_skew":1.100389,"avlc":{"src":{"addr":"440072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":793,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23071,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[99,253,85,43]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733785,"usec":521456},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.595661,"noise_level":-26.553593,"freq_skew":0.420661,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,31,24,170]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733785,"usec":521559},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.185266,"noise_level":-26.553593,"freq_skew":-0.905321,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":731,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43221,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[64,230,62,43]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733785,"usec":526550},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.071173,"noise_level":-26.316721,"freq_skew":-1.622773,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-6.100000},"alt":39000}},{"name":"alternate_ground_stations","value":["119C1A","119ADA","1192CA","11928A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733785,"usec":528249},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713714,"noise_level":-27.199665,"freq_skew":0.628981,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733786,"usec":287305},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.803524,"noise_level":-27.114164,"freq_skew":2.171561,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733786,"usec":288634},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.873312,"noise_level":-27.035709,"freq_skew":0.651094,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":495,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,229,205,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733786,"usec":289287},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.678420,"noise_level":-27.892826,"freq_skew":-1.492867,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LO05JL","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733786,"usec":290643},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.752324,"noise_level":-27.828415,"freq_skew":2.332483,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":597,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[209,104,252,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733786,"usec":292433},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.972286,"noise_level":-27.722109,"freq_skew":-0.816964,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733787,"usec":47484},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.669567,"noise_level":-27.596237,"freq_skew":2.633711,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[78,30,34,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733787,"usec":47812},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.599739,"noise_level":-27.575436,"freq_skew":0.526336,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733787,"usec":49291},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183832,"noise_level":-27.472164,"freq_skew":0.734372,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733787,"usec":50396},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493825,"noise_level":-27.431198,"freq_skew":-0.562542,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFM","mode":"2","label":"5U","blk_id":"1","ack":"!","flight":"LS0008","msg_num":"M27","msg_num_seq":"A","msg_text":"EGNM EGCC EGNX EGNT -SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733787,"usec":55225},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369923,"noise_level":-27.370106,"freq_skew":0.682650,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733787,"usec":810875},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.434546,"noise_level":-26.877064,"freq_skew":0.609800,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Y","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733787,"usec":819658},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456038,"noise_level":-27.350977,"freq_skew":0.498947,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,31,24,170]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733788,"usec":573390},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.911008,"noise_level":-27.725807,"freq_skew":-0.204086,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":110,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733788,"usec":575356},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583650,"noise_level":-28.246252,"freq_skew":0.589354,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18656,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[126,16,172,222]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":11,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733788,"usec":576502},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695841,"noise_level":-28.201475,"freq_skew":-0.505976,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFM","mode":"2","label":"_d","blk_id":"2","ack":"M","flight":"LS0008","msg_num":"M28","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733788,"usec":578468},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.614548,"noise_level":-28.179173,"freq_skew":-2.086760,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[233,10,157,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733788,"usec":580676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.186571,"noise_level":-29.033773,"freq_skew":-1.481865,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733788,"usec":581003},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.937175,"noise_level":-29.033773,"freq_skew":0.673614,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733789,"usec":334075},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.975864,"noise_level":-28.791431,"freq_skew":0.579345,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733789,"usec":334940},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.170639,"noise_level":-28.720028,"freq_skew":0.549496,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733789,"usec":335896},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.122977,"noise_level":-28.649206,"freq_skew":-1.389910,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733789,"usec":337140},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.694731,"noise_level":-28.532440,"freq_skew":1.221228,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.900002,"lon":-4.100000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733790,"usec":105583},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267014,"noise_level":-27.777502,"freq_skew":-0.542780,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFM","mode":"2","label":"_d","blk_id":"3","ack":"N","flight":"LS0008","msg_num":"M29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733790,"usec":858060},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.129470,"noise_level":-27.423294,"freq_skew":-1.504498,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-2.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733790,"usec":865710},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.681018,"noise_level":-28.054249,"freq_skew":0.718132,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34560D","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733791,"usec":621394},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.495761,"noise_level":-27.923508,"freq_skew":1.483446,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733791,"usec":621720},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.541548,"noise_level":-27.901909,"freq_skew":-0.328326,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":677,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[228,70]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733791,"usec":622792},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604356,"noise_level":-27.938662,"freq_skew":0.571990,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,31,24,170]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733791,"usec":627948},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.901703,"noise_level":-27.745836,"freq_skew":1.588561,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":711,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,43,87,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733791,"usec":629235},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452034,"noise_level":-27.724670,"freq_skew":-1.974812,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[233,10,157,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733791,"usec":631853},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.817139,"noise_level":-28.580627,"freq_skew":0.505025,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":496,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,184,118,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733791,"usec":632198},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234287,"noise_level":-28.557331,"freq_skew":1.903243,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":590,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[67,104,232,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733792,"usec":386663},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833965,"noise_level":-28.557331,"freq_skew":-1.081393,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":435,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733792,"usec":387258},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.632926,"noise_level":-28.561920,"freq_skew":-0.371448,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":678,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[156,199]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733792,"usec":387457},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.999115,"noise_level":-29.472868,"freq_skew":0.561686,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":57857,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733792,"usec":392737},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.194895,"noise_level":-29.218143,"freq_skew":0.593858,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733792,"usec":395774},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958384,"noise_level":-29.143160,"freq_skew":-0.838396,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":562,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733792,"usec":396324},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.092966,"noise_level":-29.504696,"freq_skew":0.691963,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733793,"usec":142842},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767094,"noise_level":-29.000711,"freq_skew":0.694703,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.799999,"lon":-2.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733793,"usec":146742},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.195859,"noise_level":-28.783123,"freq_skew":-1.976834,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":189,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733793,"usec":147591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.075647,"noise_level":-28.735502,"freq_skew":-0.390449,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733793,"usec":906589},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.440185,"noise_level":-28.688141,"freq_skew":1.575308,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733793,"usec":907734},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.446764,"noise_level":-28.617577,"freq_skew":2.048129,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":787,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,74,57,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733793,"usec":913166},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.298921,"noise_level":-29.357838,"freq_skew":-2.059786,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733793,"usec":915002},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298114,"noise_level":-29.206114,"freq_skew":0.528427,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733793,"usec":915397},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.968171,"noise_level":-29.206114,"freq_skew":-2.351448,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-2.600000},"alt":23000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733794,"usec":668999},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.093770,"noise_level":-28.958984,"freq_skew":2.344014,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":598,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[130,240,40,108]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733794,"usec":669921},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854423,"noise_level":-28.886194,"freq_skew":-2.197808,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":313,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733794,"usec":670202},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767071,"noise_level":-28.886194,"freq_skew":0.519068,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":57857,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733794,"usec":670362},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358863,"noise_level":-29.299923,"freq_skew":-2.270941,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-ILR","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"I218LM","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733794,"usec":670362},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.358863,"noise_level":-29.299923,"freq_skew":-2.270941,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,83,0,52,32,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733794,"usec":671820},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.553236,"noise_level":-29.199150,"freq_skew":0.509330,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33240,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30755,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[236,220,65,3]},{"name":"checksum","value":[44,226]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733795,"usec":428067},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.311679,"noise_level":-28.976595,"freq_skew":0.500822,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733795,"usec":428620},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.537034,"noise_level":-28.927902,"freq_skew":-0.752987,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733795,"usec":429383},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.174550,"noise_level":-28.879482,"freq_skew":0.615011,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733795,"usec":430213},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.242379,"noise_level":-28.807356,"freq_skew":-0.101929,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733795,"usec":433386},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419570,"noise_level":-28.641354,"freq_skew":-1.222468,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":435,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733795,"usec":433881},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625499,"noise_level":-28.641354,"freq_skew":2.126203,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZWL","mode":"2","label":"H2","blk_id":"1","ack":"!","flight":"U229WD","msg_num":"M66","msg_num_seq":"A","msg_text":"02E28GCFVEGGWN36057W00956219413400M432281026G    QN36545W00931919483400M430287026G    QN37429W00907519553401M435290020G    QN38310W00842720023400M447294011G    QN39191W00817720093401M450302019G    QN40073W00751"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733795,"usec":434793},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898062,"noise_level":-28.617895,"freq_skew":1.665650,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":711,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,43,87,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":190087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.242965,"noise_level":-28.389940,"freq_skew":-2.384351,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":191849},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.371528,"noise_level":-28.254089,"freq_skew":-1.225476,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-1.700000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":193575},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.768414,"noise_level":-28.142479,"freq_skew":0.584007,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495292","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":956065},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.164333,"noise_level":-27.943024,"freq_skew":-2.463071,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":956547},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285822,"noise_level":-27.921375,"freq_skew":-2.036201,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":189,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":956916},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337501,"noise_level":-27.878239,"freq_skew":-1.203660,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"TP93ZS","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":956916},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.337501,"noise_level":-27.878239,"freq_skew":-1.203660,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251222","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,146,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":957327},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343638,"noise_level":-27.856750,"freq_skew":-1.942531,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":958171},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.740861,"noise_level":-27.792604,"freq_skew":0.465789,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495292","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22251222","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":958894},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.453501,"noise_level":-27.750101,"freq_skew":2.206084,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":787,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,74,57,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":959020},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.008572,"noise_level":-27.750101,"freq_skew":0.416588,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":383,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":962284},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.360849,"noise_level":-27.686733,"freq_skew":2.105015,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWL","mode":"2","label":"H2","blk_id":"2","ack":"!","flight":"U229WD","msg_num":"M66","msg_num_seq":"B","msg_text":"02E28GCFVEGGWN36057W00956219413400M432281026G    QN36545W00931919483400M430287026G    QN37429W00907519553401M435290020G    QN38310W00842720023400M447294011G    QN39191W00817720093401M450302019G    QN40073W00751920163400M450296029G    Q"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733796,"usec":963819},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499690,"noise_level":-27.602959,"freq_skew":0.452091,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495292","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":57984,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733797,"usec":708507},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.916269,"noise_level":-28.046658,"freq_skew":1.599457,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":306,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733797,"usec":709646},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.741586,"noise_level":-28.236549,"freq_skew":-1.246294,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733797,"usec":710471},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.617111,"noise_level":-28.411987,"freq_skew":1.397416,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.900002,"lon":-4.100000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733797,"usec":711114},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.206939,"noise_level":-29.207790,"freq_skew":0.639734,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733797,"usec":713148},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.663682,"noise_level":-29.083324,"freq_skew":0.557134,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33240,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30755,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[236,220,65,3]},{"name":"checksum","value":[44,226]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733797,"usec":713620},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.097946,"noise_level":-29.083324,"freq_skew":0.651704,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495292","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733798,"usec":474929},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.122386,"noise_level":-28.960613,"freq_skew":1.205578,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"VY33KE","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733798,"usec":474929},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.122386,"noise_level":-28.960613,"freq_skew":1.205578,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733798,"usec":477957},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.776765,"noise_level":-28.877392,"freq_skew":-1.518068,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733798,"usec":480349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.963932,"noise_level":-28.733765,"freq_skew":2.048191,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733798,"usec":481093},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781712,"noise_level":-28.686411,"freq_skew":2.852435,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJL","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FR313B","msg_num":"M37","msg_num_seq":"A","msg_text":"201636,35301,2051,  84,N 41.073 W  1.342"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733799,"usec":236709},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.199059,"noise_level":-28.453445,"freq_skew":-1.418881,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-2.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733799,"usec":239333},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.800821,"noise_level":-28.271465,"freq_skew":0.618923,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34560D","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733799,"usec":241634},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.141530,"noise_level":-28.159634,"freq_skew":-1.366783,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"VY01MC","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733799,"usec":241634},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.141530,"noise_level":-28.159634,"freq_skew":-1.366783,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15053015","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,86,13,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733799,"usec":243569},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.848743,"noise_level":-28.170826,"freq_skew":0.710677,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34560D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15053015","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733800,"usec":6736},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438873,"noise_level":-27.907827,"freq_skew":2.156256,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":542,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733800,"usec":9751},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.711894,"noise_level":-27.758011,"freq_skew":0.579195,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33240,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30755,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[236,220,65,3]},{"name":"checksum","value":[44,226]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733800,"usec":12173},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.174141,"noise_level":-27.610737,"freq_skew":-1.306762,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":435,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733800,"usec":764412},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.506287,"noise_level":-27.527685,"freq_skew":0.566007,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495292","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733800,"usec":767980},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.024509,"noise_level":-27.323467,"freq_skew":-2.280978,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733800,"usec":770235},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.411100,"noise_level":-27.203205,"freq_skew":0.658932,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34560D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"_d","blk_id":"Y","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733800,"usec":771484},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.085742,"noise_level":-27.123943,"freq_skew":2.709871,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733800,"usec":771619},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359032,"noise_level":-27.123943,"freq_skew":-2.077206,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":314,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[151,155,37,26]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733801,"usec":523791},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.869708,"noise_level":-27.025873,"freq_skew":-1.072031,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733801,"usec":525047},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.026268,"noise_level":-26.948206,"freq_skew":1.245641,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"VY33KE","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733801,"usec":525047},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.026268,"noise_level":-26.948206,"freq_skew":1.245641,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733801,"usec":529457},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.161147,"noise_level":-26.757027,"freq_skew":0.639649,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733801,"usec":529610},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.265169,"noise_level":-26.757027,"freq_skew":0.760501,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.799999,"lon":-2.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733802,"usec":292687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.749146,"noise_level":-26.716845,"freq_skew":2.206734,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733802,"usec":296934},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.662681,"noise_level":-26.604643,"freq_skew":0.718320,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34560D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15053015","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733803,"usec":47457},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.222215,"noise_level":-27.085493,"freq_skew":1.236567,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEH","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR24GH","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733803,"usec":54175},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.168087,"noise_level":-26.852978,"freq_skew":-1.542676,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733803,"usec":811409},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.506224,"noise_level":-27.324203,"freq_skew":0.480089,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34560D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"_d","blk_id":"Y","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733803,"usec":811915},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.119047,"noise_level":-27.304041,"freq_skew":-1.301235,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":435,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733803,"usec":815151},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616454,"noise_level":-27.124662,"freq_skew":0.677649,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33240,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30755,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[236,220,65,3]},{"name":"checksum","value":[44,226]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733803,"usec":817783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.191595,"noise_level":-27.510937,"freq_skew":-0.286916,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733803,"usec":818627},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912785,"noise_level":-27.449284,"freq_skew":-1.856927,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":56,"dst_ref":30755,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[163,104,30,172]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733804,"usec":577440},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176872,"noise_level":-27.388067,"freq_skew":-0.646815,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVA","mode":"2","label":"43","blk_id":"5","ack":"!","flight":"TP863Y","msg_num":"M88","msg_num_seq":"A","msg_text":"PAXC "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733804,"usec":579354},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839819,"noise_level":-27.266912,"freq_skew":-0.461638,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":679,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":18,"dst_ref":30757,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[136,161]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733804,"usec":579682},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755999,"noise_level":-27.266912,"freq_skew":0.552236,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[222,217,153,65]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733804,"usec":579955},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.178259,"noise_level":-27.246883,"freq_skew":1.410421,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"VY33KE","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733804,"usec":579955},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.178259,"noise_level":-27.246883,"freq_skew":1.410421,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733804,"usec":580273},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749626,"noise_level":-27.707321,"freq_skew":0.607583,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":542,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733804,"usec":581048},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346091,"noise_level":-27.665234,"freq_skew":0.001502,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":749,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,111,71,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733804,"usec":582336},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.502481,"noise_level":-27.602480,"freq_skew":0.423862,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":58205,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733804,"usec":587456},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.537251,"noise_level":-27.478317,"freq_skew":0.536258,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495292","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18671,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[80,87,169,210]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733805,"usec":331739},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.402842,"noise_level":-27.416897,"freq_skew":1.339498,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2018,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[179,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733805,"usec":332946},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958809,"noise_level":-27.355904,"freq_skew":-1.192575,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[38,161,55,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733805,"usec":337305},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.224181,"noise_level":-27.155643,"freq_skew":0.734172,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733805,"usec":337400},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.185131,"noise_level":-27.155643,"freq_skew":-2.287781,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733805,"usec":337838},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.018591,"noise_level":-28.176254,"freq_skew":-0.668872,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733805,"usec":339247},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823529,"noise_level":-28.358974,"freq_skew":0.712094,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733806,"usec":98687},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.068413,"noise_level":-28.201241,"freq_skew":0.605295,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495292","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733806,"usec":100256},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.176182,"noise_level":-28.090305,"freq_skew":-0.223813,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733806,"usec":106161},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485999,"noise_level":-27.872593,"freq_skew":0.484321,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34560D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"_d","blk_id":"Y","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733806,"usec":859541},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.729911,"noise_level":-27.514563,"freq_skew":1.732777,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733806,"usec":862535},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.528775,"noise_level":-27.351053,"freq_skew":0.607094,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[222,217,153,65]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733807,"usec":621892},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.159619,"noise_level":-26.974623,"freq_skew":1.029268,"avlc":{"src":{"addr":"4D2216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1746,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30643,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[87,155]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733807,"usec":623179},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449917,"noise_level":-26.916653,"freq_skew":-0.810992,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVA","mode":"2","label":"_d","blk_id":"6","ack":"T","flight":"TP863Y","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733807,"usec":623927},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.967795,"noise_level":-26.897413,"freq_skew":-2.050736,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733807,"usec":626975},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.198779,"noise_level":-26.970720,"freq_skew":-1.204042,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733807,"usec":626975},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.198779,"noise_level":-26.970720,"freq_skew":-1.204042,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733808,"usec":380207},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.660282,"noise_level":-27.578167,"freq_skew":0.633157,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":254,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733808,"usec":382865},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.047992,"noise_level":-27.413465,"freq_skew":1.367751,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"VY33KE","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733808,"usec":382865},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.047992,"noise_level":-27.413465,"freq_skew":1.367751,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733808,"usec":383060},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.170201,"noise_level":-27.413465,"freq_skew":1.150358,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"EC97RH","msg_num":"C03","msg_num_seq":"A","sublabel":"CF","msg_text":"FLR/FR25072820150023131306RMP2(1RG2)/RMP3(1RG3)/IDRMP1,2OR3\r"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733808,"usec":383737},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755126,"noise_level":-27.372776,"freq_skew":0.409000,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733808,"usec":385287},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.244426,"noise_level":-27.291958,"freq_skew":-1.378616,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":435,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733808,"usec":386129},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.486804,"noise_level":-27.251831,"freq_skew":1.354525,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":281,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733809,"usec":145124},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388926,"noise_level":-28.172283,"freq_skew":0.933880,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[27,193,242,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733809,"usec":146046},"freq":136975000,"burst_len_octets":134,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296327,"noise_level":-28.105772,"freq_skew":-1.202770,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733809,"usec":146046},"freq":136975000,"burst_len_octets":134,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.296327,"noise_level":-28.105772,"freq_skew":-1.202770,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733809,"usec":146046},"freq":136975000,"burst_len_octets":134,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.296327,"noise_level":-28.105772,"freq_skew":-1.202770,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS015L","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733809,"usec":150111},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.879081,"noise_level":-28.088951,"freq_skew":-3.093218,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":22,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733809,"usec":153022},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504333,"noise_level":-27.957691,"freq_skew":0.850217,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[217,188,227,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733809,"usec":908915},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438098,"noise_level":-27.596209,"freq_skew":0.710364,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34560D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"_d","blk_id":"Y","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733809,"usec":911871},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.949884,"noise_level":-27.492693,"freq_skew":1.058270,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733809,"usec":912068},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.836055,"noise_level":-27.492693,"freq_skew":1.222970,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2019,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[106,218]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733809,"usec":913888},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486437,"noise_level":-27.390394,"freq_skew":1.480834,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"EC97RH","msg_num":"C04","msg_num_seq":"A","sublabel":"CF","msg_text":"FLR/FR25072820150023131306RMP2(1RG2)/RMP1(1RG1)/IDRMP1,2OR3\r"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733810,"usec":669339},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.089744,"noise_level":-27.129925,"freq_skew":1.473644,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"VY33KE","msg_num":"M19","msg_num_seq":"A","msg_text":"201642,37002,2124, 140,N 42.901 W  4.144, 760"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733810,"usec":670484},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.083038,"noise_level":-27.601070,"freq_skew":-1.586178,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733811,"usec":434229},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.078986,"noise_level":-27.213890,"freq_skew":0.979897,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.799999,"lon":-2.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733811,"usec":436159},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961902,"noise_level":-27.114807,"freq_skew":1.139685,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733811,"usec":440276},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.678065,"noise_level":-26.958584,"freq_skew":0.886952,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43270,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[65,6,84,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733811,"usec":444306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.163397,"noise_level":-26.881514,"freq_skew":1.508148,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733812,"usec":193900},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415008,"noise_level":-26.710567,"freq_skew":-0.764526,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVA","mode":"2","label":"_d","blk_id":"7","ack":"U","flight":"TP863Y","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733812,"usec":195372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.373190,"noise_level":-26.635658,"freq_skew":-3.073006,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733812,"usec":200496},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.292870,"noise_level":-26.469439,"freq_skew":1.361526,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733812,"usec":953695},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.221933,"noise_level":-26.058563,"freq_skew":-0.838788,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVA","mode":"2","label":"_d","blk_id":"8","ack":"V","flight":"TP863Y","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733813,"usec":718521},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.096147,"noise_level":-25.716429,"freq_skew":-1.340430,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733813,"usec":719705},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577806,"noise_level":-26.136314,"freq_skew":-1.437360,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS015L","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733813,"usec":721204},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.930336,"noise_level":-26.066179,"freq_skew":-1.476051,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":725,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733814,"usec":484164},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.170608,"noise_level":-25.775806,"freq_skew":0.649008,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733814,"usec":486411},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287021,"noise_level":-25.725286,"freq_skew":1.636495,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1199BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8212,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733814,"usec":489047},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.895299,"noise_level":-25.641731,"freq_skew":1.299416,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":181,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733815,"usec":237853},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.342378,"noise_level":-25.428181,"freq_skew":1.246152,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2019,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[106,218]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733815,"usec":238831},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562559,"noise_level":-25.395790,"freq_skew":-1.367155,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":435,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733815,"usec":240984},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.356081,"noise_level":-25.299328,"freq_skew":0.738563,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33511,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[194,109,10,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733815,"usec":242544},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.008186,"noise_level":-25.219755,"freq_skew":-2.172885,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[157,118,108,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733815,"usec":242544},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.008186,"noise_level":-25.219755,"freq_skew":-2.172885,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":316,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[12,28,28,151]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733816,"usec":1440},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.955488,"noise_level":-25.140903,"freq_skew":1.075639,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"5U","blk_id":"2","ack":"!","flight":"TP19UT","msg_num":"M98","msg_num_seq":"A","msg_text":"LPFRLEZLLPPR-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733816,"usec":6556},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.044450,"noise_level":-25.778637,"freq_skew":0.507694,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733816,"usec":770016},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718608,"noise_level":-25.447147,"freq_skew":1.515816,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1199BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733817,"usec":536692},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.149641,"noise_level":-24.865372,"freq_skew":-1.272956,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733817,"usec":536692},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.149641,"noise_level":-24.865372,"freq_skew":-1.272956,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS015L","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733819,"usec":55886},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.094035,"noise_level":-24.136402,"freq_skew":0.775653,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[182,170,246,219]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733819,"usec":814690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183364,"noise_level":-25.095684,"freq_skew":1.214159,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733820,"usec":571360},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.915181,"noise_level":-24.595024,"freq_skew":-0.382724,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":896,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[229,174,173,97]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60969,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[121,242,77,254]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":16,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733820,"usec":575894},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.357902,"noise_level":-24.764294,"freq_skew":0.467704,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733821,"usec":336808},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.991761,"noise_level":-24.585751,"freq_skew":1.487569,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7346,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733821,"usec":337881},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581406,"noise_level":-25.704224,"freq_skew":1.086533,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"_d","blk_id":"3","ack":"Q","flight":"TP19UT","msg_num":"M99","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733821,"usec":339087},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.248630,"noise_level":-25.637478,"freq_skew":-1.432336,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733821,"usec":339087},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.248630,"noise_level":-25.637478,"freq_skew":-1.432336,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS015L","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733822,"usec":94906},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.651347,"noise_level":-25.456528,"freq_skew":-0.307758,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733822,"usec":95529},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.217780,"noise_level":-25.440264,"freq_skew":0.540430,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733822,"usec":97405},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.397842,"noise_level":-25.343313,"freq_skew":0.439058,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733822,"usec":98886},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.170643,"noise_level":-25.279274,"freq_skew":-0.102615,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":42.700001,"lon":-6.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733822,"usec":102530},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.988794,"noise_level":-25.168327,"freq_skew":0.972885,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":777,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[200,128,74,193]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43282,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[87,112,154,161]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733822,"usec":103058},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.881328,"noise_level":-25.152596,"freq_skew":0.795125,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.799999,"lon":-2.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733822,"usec":858172},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679316,"noise_level":-25.526619,"freq_skew":0.523499,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733822,"usec":858768},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.350427,"noise_level":-25.549099,"freq_skew":-0.804519,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":732,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43221,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[179,134,57,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733822,"usec":859398},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679515,"noise_level":-25.532661,"freq_skew":-0.809756,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":733,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43221,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[166,101,161,96]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733823,"usec":617438},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.329948,"noise_level":-25.257862,"freq_skew":0.605710,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733823,"usec":619231},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.430894,"noise_level":-25.178665,"freq_skew":0.827021,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733823,"usec":619633},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.302377,"noise_level":-25.162914,"freq_skew":1.240170,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":255,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[113,163,67,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733823,"usec":622163},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.442942,"noise_level":-25.068991,"freq_skew":-0.821488,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":732,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43221,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[179,134,57,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733823,"usec":622926},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499117,"noise_level":-25.037909,"freq_skew":0.677181,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":58747,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733823,"usec":623685},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367324,"noise_level":-25.022408,"freq_skew":-0.140044,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":750,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733823,"usec":624993},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.434906,"noise_level":-25.339180,"freq_skew":0.491836,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":58751,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733823,"usec":625212},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.928719,"noise_level":-25.339180,"freq_skew":0.690278,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733823,"usec":626424},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.673225,"noise_level":-25.291128,"freq_skew":0.558945,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":58755,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733824,"usec":383079},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843314,"noise_level":-25.227470,"freq_skew":-1.432830,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-2.400000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733824,"usec":383221},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440445,"noise_level":-25.227470,"freq_skew":1.264751,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":751,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733824,"usec":385593},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.052385,"noise_level":-25.456078,"freq_skew":0.290086,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4307,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733824,"usec":385768},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.884210,"noise_level":-26.075657,"freq_skew":0.662510,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733824,"usec":392394},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.959680,"noise_level":-25.902567,"freq_skew":-1.616364,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"VY01MC","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733824,"usec":392394},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.959680,"noise_level":-25.902567,"freq_skew":-1.616364,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15053015","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,86,13,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733824,"usec":395360},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.100008,"noise_level":-25.951384,"freq_skew":-1.538271,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":139104},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.238548,"noise_level":-26.418484,"freq_skew":0.668540,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":139402},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.454618,"noise_level":-26.418484,"freq_skew":-1.001129,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":141032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.123124,"noise_level":-27.256084,"freq_skew":0.426573,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":142288},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.367161,"noise_level":-27.369793,"freq_skew":0.419432,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":142585},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.884481,"noise_level":-27.349525,"freq_skew":1.558364,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":143582},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.903017,"noise_level":-27.309130,"freq_skew":-0.349538,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":897,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60969,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[218,62,59,233]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":4}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":903479},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.137744,"noise_level":-26.997168,"freq_skew":-1.345376,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":903479},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.137744,"noise_level":-26.997168,"freq_skew":-1.345376,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS015L","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":904071},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642364,"noise_level":-26.977751,"freq_skew":2.806049,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4086,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[144,16]},{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":907288},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.010607,"noise_level":-26.823956,"freq_skew":-1.558050,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733825,"usec":911113},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.381679,"noise_level":-26.672832,"freq_skew":-0.194232,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733826,"usec":673840},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.229538,"noise_level":-26.505371,"freq_skew":-1.392978,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733826,"usec":676286},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713050,"noise_level":-26.432201,"freq_skew":-0.461935,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":898,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[89,78,168,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733827,"usec":429566},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.044354,"noise_level":-26.269794,"freq_skew":0.676507,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":545,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[232,185,68,20]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733828,"usec":197021},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.063313,"noise_level":-25.549629,"freq_skew":0.226137,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4307,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733828,"usec":959385},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.114283,"noise_level":-25.274300,"freq_skew":-0.755931,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733828,"usec":962708},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.077477,"noise_level":-25.687263,"freq_skew":0.595565,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733828,"usec":962990},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343361,"noise_level":-25.687263,"freq_skew":1.079899,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1409,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733828,"usec":964960},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.660985,"noise_level":-25.604073,"freq_skew":-0.824884,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":734,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733829,"usec":720307},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716223,"noise_level":-25.915506,"freq_skew":1.082097,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":778,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43282,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[116,226,164,7]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733829,"usec":722976},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.934353,"noise_level":-25.813131,"freq_skew":-0.818195,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733829,"usec":725929},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685973,"noise_level":-26.053812,"freq_skew":0.275556,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[63,101,220,129]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733830,"usec":475802},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.993645,"noise_level":-25.949806,"freq_skew":-0.135460,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":42.700001,"lon":-6.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733830,"usec":482048},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.020520,"noise_level":-25.728643,"freq_skew":0.148324,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"TP0687","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733830,"usec":486080},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.344265,"noise_level":-26.100849,"freq_skew":1.068017,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733830,"usec":488207},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.194837,"noise_level":-26.065853,"freq_skew":2.588578,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733831,"usec":237394},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.197868,"noise_level":-25.996283,"freq_skew":-0.212044,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,211,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733831,"usec":241395},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672750,"noise_level":-26.425747,"freq_skew":2.332878,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5547,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733832,"usec":5415},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722149,"noise_level":-26.156925,"freq_skew":-0.228423,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733832,"usec":758939},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.062491,"noise_level":-25.726593,"freq_skew":1.029851,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"TP19UT","msg_num":"C11","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE2017000728ABQ\n20145915310   0   0\n20152605310   0   0\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733832,"usec":767585},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912801,"noise_level":-26.337568,"freq_skew":-0.980380,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":735,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43221,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[38,217,237,192]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733833,"usec":527342},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.903575,"noise_level":-26.124002,"freq_skew":-1.456631,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"VY01MC","msg_num":"F78","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLEMG,13O,75,211951,116/FNVLG1MC/TS201711,280725E95A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733833,"usec":531120},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.780888,"noise_level":-26.063402,"freq_skew":-1.047269,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":736,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1550,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[12,209,187,98]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":12}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733834,"usec":286180},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.254608,"noise_level":-26.884239,"freq_skew":-0.910694,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733834,"usec":289851},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.545834,"noise_level":-26.694447,"freq_skew":-0.837656,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":737,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":5269,"dst_ref":43221,"variable_part_params":[{"name":"atn_checksum","value":[147,133,80,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733835,"usec":51294},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.328676,"noise_level":-26.472036,"freq_skew":0.831506,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"TP19UT","msg_num":"C12","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE2017000728ABQ\n20145915310   0   0\n20152605310   0   0\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733835,"usec":58624},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.172729,"noise_level":-26.977299,"freq_skew":-0.989868,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733835,"usec":805959},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584637,"noise_level":-27.447165,"freq_skew":-1.336550,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS015L","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733835,"usec":806818},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.180169,"noise_level":-27.406315,"freq_skew":-1.577976,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733835,"usec":808425},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.636391,"noise_level":-27.325188,"freq_skew":2.452873,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5547,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733836,"usec":575033},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.726132,"noise_level":-26.834620,"freq_skew":0.877782,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":172,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733836,"usec":580088},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.177484,"noise_level":-26.627247,"freq_skew":2.334196,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":270,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733836,"usec":582162},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.230209,"noise_level":-26.534599,"freq_skew":1.139083,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733837,"usec":340577},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.701510,"noise_level":-26.388388,"freq_skew":0.996597,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":779,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[60,32,69,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733837,"usec":341178},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.233345,"noise_level":-26.707825,"freq_skew":0.772294,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733837,"usec":346972},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.073771,"noise_level":-26.614321,"freq_skew":-1.067635,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733837,"usec":347901},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.926105,"noise_level":-27.040943,"freq_skew":0.636149,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":497,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733837,"usec":350920},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.533994,"noise_level":-27.174170,"freq_skew":0.925605,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733838,"usec":93490},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630891,"noise_level":-26.978006,"freq_skew":-1.042189,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":738,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[86,3,84,128]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733838,"usec":96147},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.987539,"noise_level":-27.704802,"freq_skew":0.079509,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733838,"usec":98521},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.078814,"noise_level":-27.620850,"freq_skew":0.687890,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733838,"usec":100719},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.281983,"noise_level":-27.558418,"freq_skew":-0.138214,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":727,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[17,152,112,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733838,"usec":858883},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.174992,"noise_level":-27.642649,"freq_skew":-1.004406,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733838,"usec":862451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.249756,"noise_level":-27.456215,"freq_skew":0.458402,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733838,"usec":864513},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.799475,"noise_level":-27.665262,"freq_skew":1.066097,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733839,"usec":626150},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843732,"noise_level":-27.478344,"freq_skew":0.621707,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZTK","mode":"2","label":"4C","blk_id":"B","ack":"!","msg_text":"*MESSAGE FROM CREWING*\r\nHI BARNIE, JUST WANTED TO LET YOU KNOW A VIOLATION GOT FLAGGED FOR MEGAN 836521 \r\nREGARDING A SECOND NIGHT DUTY AFTER A LATE FINISH WHICH WILL REQUIRE A CDR IF YO\r\nUR OFF DUTY TODAY IS AT 0200 LOC"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733839,"usec":626512},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559017,"noise_level":-28.155788,"freq_skew":0.807694,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2794,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[117,86,55,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733839,"usec":627445},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.818434,"noise_level":-28.111475,"freq_skew":1.934811,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":810,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733839,"usec":627866},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.910242,"noise_level":-28.089405,"freq_skew":-0.898079,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[171,207,134,43]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733839,"usec":629315},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.644843,"noise_level":-28.331861,"freq_skew":0.587712,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"_d","blk_id":"9","ack":"B","flight":"U235GQ","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733839,"usec":632743},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480028,"noise_level":-28.219254,"freq_skew":0.412868,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[228,20,132,169]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733839,"usec":633949},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.537905,"noise_level":-28.563095,"freq_skew":0.717839,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33324,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[97,224,195,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733839,"usec":635843},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.040269,"noise_level":-28.470474,"freq_skew":0.766195,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2795,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[177,41,178,6]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733840,"usec":381197},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.129559,"noise_level":-28.310722,"freq_skew":0.710999,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733840,"usec":382023},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569999,"noise_level":-28.265614,"freq_skew":-1.098266,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1550,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[9,94,182,92]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733840,"usec":386257},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.182024,"noise_level":-28.021620,"freq_skew":0.699856,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733840,"usec":387180},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.119560,"noise_level":-27.977983,"freq_skew":0.700993,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733841,"usec":146013},"freq":136975000,"burst_len_octets":171,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.875815,"noise_level":-27.848377,"freq_skew":0.595242,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"4C","blk_id":"C","ack":"!","msg_text":"*MESSAGE FROM CREWING*\r\nHI BARNIE, JUST WANTED TO LET YOU KNOW A VIOLATION GOT FLAGGED FOR MEGAN 836521 \r\nREGARDING A SECOND NIGHT DUTY AFTER A LATE FINISH WHICH WILL REQUIRE A CDR IF YO\r\nUR OFF DUTY TODAY IS AT 0200 LOCAL TIME OR LATER, WOULD YOU BE HAPPY TO COMPLETE\r\n THIS IF THATS THE CASE PLEASE? THANK YOU IN ADVANCE\r\nBRGDS\r\nEASYJET CREWING/MICHAEL\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733841,"usec":149783},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.004187,"noise_level":-27.636574,"freq_skew":-2.132252,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"IB0591","msg_num":"D21","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,175907,1,1,TB000000/REP033,00,00,1/POSDMU,201713, 42.683,-  2.603,  4844,340\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733841,"usec":152367},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.410556,"noise_level":-27.511925,"freq_skew":0.251797,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"_d","blk_id":"0","ack":"C","flight":"U235GQ","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733841,"usec":908421},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.403865,"noise_level":-27.738251,"freq_skew":0.479974,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18704,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[213,14,237,34]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733841,"usec":910383},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.238961,"noise_level":-28.001995,"freq_skew":0.483476,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733841,"usec":910859},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.560004,"noise_level":-28.388453,"freq_skew":0.671077,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733841,"usec":911825},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.471653,"noise_level":-28.342937,"freq_skew":1.873442,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":788,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[103,9,252,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733841,"usec":912451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.010430,"noise_level":-29.316397,"freq_skew":0.480613,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733841,"usec":916907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.262181,"noise_level":-29.066153,"freq_skew":1.769855,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733842,"usec":668195},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.332346,"noise_level":-29.041521,"freq_skew":1.118888,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,84,65,80,0,73,82,202,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":62,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":52,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[242,95]},{"name":"atn_checksum","value":[212,141,241,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733842,"usec":670296},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.083569,"noise_level":-28.919395,"freq_skew":-2.128407,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733842,"usec":671710},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.097974,"noise_level":-28.822920,"freq_skew":0.565059,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733842,"usec":673685},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.614040,"noise_level":-28.727503,"freq_skew":0.644582,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":47.500000,"flags":192,"pdu_id":18705,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":43352,"dst_ref":52,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"atn_checksum","value":[186,7,237,215]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733842,"usec":674918},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.397346,"noise_level":-28.656620,"freq_skew":-1.720824,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LO05JL","msg_num":"D49","msg_num_seq":"A","sublabel":"DF","msg_text":"<330>KER\r\n8  SP-LRALOT425    DC2139280725172521EPWALPPT 12664  2\r\n  7997 269  185 50 501BCG4DACMFRR31\r\nDC172521 269  7527   90  115  115   00\r\nER201717-205  1876   91  114  114   00\r\nDCS1N3S2N4    0    0   "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733843,"usec":426860},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238172,"noise_level":-28.539755,"freq_skew":1.061228,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":63,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43352,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[81,40,233,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733843,"usec":426860},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.238172,"noise_level":-28.539755,"freq_skew":1.061228,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":64,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43352,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[229,50,27,79]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4805322,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"TAP1366","long_tsap":{"rdp":[65,84,65,80,0],"short_tsap":{"ars":[73,82,202],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,84,65,80,0],"short_tsap":{"ars":[73,82,202],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"LPPT","destination_airport":"EGLL"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733843,"usec":427877},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.342336,"noise_level":-29.202765,"freq_skew":-0.110171,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[179,133,75,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733843,"usec":429335},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.591453,"noise_level":-29.103107,"freq_skew":0.631241,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":59291,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733843,"usec":432847},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517593,"noise_level":-28.907154,"freq_skew":0.617845,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":47.500000,"flags":192,"pdu_id":18706,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":1,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[31,145,190,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733843,"usec":434059},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.271625,"noise_level":-28.834799,"freq_skew":0.728153,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":193579},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331499,"noise_level":-28.597870,"freq_skew":0.617455,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":194869},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.537327,"noise_level":-28.528034,"freq_skew":0.698351,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":47.500000,"flags":192,"pdu_id":18708,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[157,105,247,21]}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"transient","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"context_mgmt":{"cm_ground_message":{"choice":"cmLogonResponse","data":{"atn_context_mgmt_logon_response":{"ground_only_initiated_apps":[{"ae_qualifier_version":{"ae_qualifier":22,"version":1}}]}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":195810},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.387487,"noise_level":-29.179489,"freq_skew":0.358261,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":195909},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543278,"noise_level":-29.179489,"freq_skew":-2.167377,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[189,9,121,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":199840},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.853483,"noise_level":-29.080095,"freq_skew":1.292577,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":65,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43352,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[196,199,228,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":199999},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467352,"noise_level":-29.764549,"freq_skew":-1.035985,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[171,207,134,43]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":200166},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402061,"noise_level":-29.764549,"freq_skew":1.136450,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":66,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":52,"dst_ref":43352,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[213,103,58,229]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":200918},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.993430,"noise_level":-29.711248,"freq_skew":0.725592,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,82,202,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":18709,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":43353,"dst_ref":0,"credit":10,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":1024},{"name":"atn_checksum","value":[4,233,157,212]},{"name":"checksum","value":[131,206]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":202218},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.523354,"noise_level":-29.658276,"freq_skew":0.701448,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,82,202,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":18709,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":43353,"dst_ref":0,"credit":10,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":1024},{"name":"atn_checksum","value":[4,233,157,212]},{"name":"checksum","value":[131,206]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25248141,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":203279},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769849,"noise_level":-29.579411,"freq_skew":0.950187,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":203372},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.223177,"noise_level":-29.579411,"freq_skew":-1.135076,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1550,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[9,94,182,92]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":955484},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864244,"noise_level":-29.553280,"freq_skew":0.688181,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":47.500000,"flags":192,"pdu_id":18710,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":43352,"dst_ref":52,"variable_part_params":[{"name":"atn_checksum","value":[146,164,170,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":957432},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.255543,"noise_level":-29.423801,"freq_skew":1.024503,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":957933},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296925,"noise_level":-29.398136,"freq_skew":-1.792148,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LO05JL","msg_num":"D49","msg_num_seq":"B","sublabel":"DF","msg_text":"90    0\r\nERS1N3S2N4    0    0   90    0\r\nDC5148 19   68F   0 00   62F\r\nER   0 00   59F5146 18   70F\r\nDC   -3   -3    0    0    2    1-9999-9999\r\nER   -4   -4   -2   -2    0    0-9999-9999\r\nDC  95 105\r\nER  8"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":959193},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456200,"noise_level":-29.321590,"freq_skew":0.477590,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":12720,"priority":0,"lifetime":8.000000,"flags":66,"pdu_id":12304,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[32,172,108,10,50,22,12,52,0,1,22,8,188,129,5,224,122,41,160]}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":960267},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.520429,"noise_level":-29.296223,"freq_skew":0.470507,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18711,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[9,5,60,19]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733844,"usec":963058},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.001245,"noise_level":-29.248917,"freq_skew":1.137700,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":67,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":53,"dst_ref":43353,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[117,232,10,106]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733845,"usec":716716},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.955330,"noise_level":-29.049686,"freq_skew":0.673087,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.799999,"lon":-2.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733845,"usec":717314},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.164679,"noise_level":-29.664452,"freq_skew":0.557286,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733845,"usec":718907},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.408005,"noise_level":-29.559383,"freq_skew":0.659932,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[83,114,172,229]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733845,"usec":720876},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.603291,"noise_level":-29.507322,"freq_skew":0.665501,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733845,"usec":721772},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722253,"noise_level":-29.455574,"freq_skew":1.070135,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":68,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43353,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[153,126,22,182]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733845,"usec":723979},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.271542,"noise_level":-29.302149,"freq_skew":-1.181670,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"5Y","blk_id":"0","ack":"!","flight":"TP93ZS","msg_num":"M70","msg_num_seq":"A","msg_text":"---2129  50N 403827,W  15233,34999,  411500,MS46,283, 52,264,201718,11200"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733846,"usec":474896},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.763784,"noise_level":-29.201347,"freq_skew":0.545989,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18713,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[80,45,205,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733846,"usec":475529},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.300967,"noise_level":-29.151384,"freq_skew":-1.809162,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LO05JL","msg_num":"D49","msg_num_seq":"C","sublabel":"DF","msg_text":"1  79\r\nDC 6 24696378  218   25  209    0   90   13\r\nER10 5   0 84  103  104   89    0    0   35\r\nDC 6 24693347  176   25  217  -65   90    7\r\nER 6 24706336  153   29  205  -65   90   11\r\nDC10 1   0 53   68 "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733846,"usec":476502},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.965355,"noise_level":-29.101706,"freq_skew":-1.502757,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733846,"usec":480222},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635170,"noise_level":-28.930037,"freq_skew":0.632302,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733846,"usec":481233},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.199859,"noise_level":-28.905785,"freq_skew":-1.071952,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733846,"usec":481831},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378217,"noise_level":-28.857489,"freq_skew":0.636615,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495292","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733846,"usec":482825},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.536859,"noise_level":-28.809460,"freq_skew":0.632106,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18714,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[224,147,219,219]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733846,"usec":483285},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.058333,"noise_level":-28.989580,"freq_skew":-1.525552,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733846,"usec":483676},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.148204,"noise_level":-29.156910,"freq_skew":0.063032,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733846,"usec":484082},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.138360,"noise_level":-29.132019,"freq_skew":1.164045,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":242312},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695991,"noise_level":-28.984154,"freq_skew":2.289833,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":242649},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.158423,"noise_level":-28.959753,"freq_skew":0.616747,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":243497},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.441381,"noise_level":-28.911154,"freq_skew":1.016791,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":69,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[230,249,228,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":243658},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.221830,"noise_level":-28.911154,"freq_skew":0.736116,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":246861},"freq":136975000,"burst_len_octets":304,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.972616,"noise_level":-28.766973,"freq_skew":0.524079,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495292","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"_d","blk_id":"Y","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":246861},"freq":136975000,"burst_len_octets":304,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.972616,"noise_level":-28.766973,"freq_skew":0.524079,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20070056","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":246861},"freq":136975000,"burst_len_octets":304,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-3.972616,"noise_level":-28.766973,"freq_skew":0.524079,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0],"dst_nsap":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0],"lifetime":10.000000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":59402,"segment_offset":0,"pdu_total_len":140},"reasm_status":"skipped","options":[{"name":"lref","value":[64]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":3,"type_name":"ATN system management","category_id":3,"category_name":"none","route_policy":0}}]}},{"name":"priority","value":[14]}],"idrp":{"err":true,"unknown_proto":{"data":[133,0,62,1,0,0,0,1,0,0,0,0,4,32,7,20,220,240,105,184,113,198,170,219,85,4,41,85,226,19,1,3,132,11,184,11,71,0,39,1,88,65,65,0,0,0,2]}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":246861},"freq":136975000,"burst_len_octets":304,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":3,"sig_level":-3.972616,"noise_level":-28.766973,"freq_skew":0.524079,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0],"dst_nsap":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0],"lifetime":10.000000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":59402,"segment_offset":0,"pdu_total_len":140},"reasm_status":"skipped","options":[{"name":"lref","value":[64]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":3,"type_name":"ATN system management","category_id":3,"category_name":"none","route_policy":0}}]}},{"name":"priority","value":[14]}],"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":0,"credit_offered":4,"credit_avail":32,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,1,88,65,65,0,0,0,2],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":246861},"freq":136975000,"burst_len_octets":304,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":4,"sig_level":-3.972616,"noise_level":-28.766973,"freq_skew":0.524079,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18716,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":3,"variable_part_params":[{"name":"checksum","value":[43,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":250027},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.054367,"noise_level":-28.695770,"freq_skew":0.696628,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":250377},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902240,"noise_level":-28.672165,"freq_skew":1.029356,"avlc":{"src":{"addr":"4CAD7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":251151},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.811432,"noise_level":-28.625145,"freq_skew":0.501358,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18718,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[146,223,160,239]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECM,/ATC UNIT MADRID,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":251679},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.030956,"noise_level":-28.601732,"freq_skew":-0.893215,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":994744},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.409827,"noise_level":-28.578381,"freq_skew":0.501477,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18711,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[9,5,60,19]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":995223},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.163365,"noise_level":-28.840296,"freq_skew":-1.327603,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":726,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":2,"credit_offered":0,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":995511},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.856135,"noise_level":-29.329010,"freq_skew":0.997925,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733847,"usec":999414},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.131380,"noise_level":-29.127953,"freq_skew":-1.721573,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"LO05JL","msg_num":"D49","msg_num_seq":"D","sublabel":"DF","msg_text":"  67   86    0    0   25\r\nER 6 24704269  146   19  182    0   90   -2\r\nDC10 1   0 53   70   70  -65   78    0   28\r\nER10 1   0 53   57   51  -65  105    0   13\r\nDC10    1    4   86 8500 28\r\nER10    0    4  "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733848,"usec":1202},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267544,"noise_level":-29.127953,"freq_skew":2.058371,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":599,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[65,95,18,170]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733848,"usec":2580},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.699189,"noise_level":-29.462326,"freq_skew":0.702815,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":59425,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":2,"ack":0,"credit_offered":0,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733848,"usec":3617},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.009769,"noise_level":-29.436546,"freq_skew":1.102326,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[143,184]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733848,"usec":6150},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.874784,"noise_level":-29.308781,"freq_skew":-1.162063,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733848,"usec":765258},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.530988,"noise_level":-29.083439,"freq_skew":0.626858,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":462,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43213,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[228,184,68,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733848,"usec":766346},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.378180,"noise_level":-29.453848,"freq_skew":-0.746551,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[219,55,214,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733848,"usec":766674},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.372664,"noise_level":-29.453848,"freq_skew":0.567907,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733848,"usec":768340},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.177707,"noise_level":-29.376810,"freq_skew":-1.327729,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":727,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":3,"ack":2,"credit_offered":32,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,88,83,0,64,112,46],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733848,"usec":770452},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.043969,"noise_level":-29.224758,"freq_skew":0.645031,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733849,"usec":528280},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.503271,"noise_level":-29.100048,"freq_skew":0.665594,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733849,"usec":528280},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.503271,"noise_level":-29.100048,"freq_skew":0.665594,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733849,"usec":529579},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.883508,"noise_level":-29.116590,"freq_skew":0.439556,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":59463,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":2,"ack":3,"credit_offered":4,"credit_avail":32,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,1,88,65,65,0,0,0,2],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733849,"usec":532827},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923756,"noise_level":-28.920336,"freq_skew":-1.401849,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":728,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733849,"usec":535965},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.970130,"noise_level":-28.799894,"freq_skew":0.631335,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":59478,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":3,"ack":3,"credit_offered":4,"credit_avail":31,"path_attributes":[{"name":"route","value":{"id":482,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,1,88,65,65,0,0,0,2]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":12}],"nlri_list":[{"proto":"CLNP","prefix_len":32,"dst_prefix":[71,0,39,1,32,71,0,39,129]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733849,"usec":538824},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.778010,"noise_level":-28.704727,"freq_skew":-0.134723,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"2F","blk_id":"3","ack":"!","flight":"AF1358","msg_num":"M27","msg_num_seq":"A","msg_text":"2017+4138-252/3746"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733850,"usec":284078},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465148,"noise_level":-29.109108,"freq_skew":-1.350682,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":729,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":4,"ack":2,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":13,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,69,88,83,0,64,112,46]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,69,88,83,0,64,112,46]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733850,"usec":285491},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.478964,"noise_level":-29.035057,"freq_skew":1.129040,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":69,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[230,249,228,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733850,"usec":290293},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.090830,"noise_level":-28.792683,"freq_skew":-1.586561,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":50987},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.150209,"noise_level":-28.464329,"freq_skew":0.495792,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":52176},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.595509,"noise_level":-28.395555,"freq_skew":2.390087,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2481,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[222,66]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":53051},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.744871,"noise_level":-28.350006,"freq_skew":0.608354,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18718,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[146,223,160,239]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECM,/ATC UNIT MADRID,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":61341},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.231591,"noise_level":-28.662716,"freq_skew":0.492583,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18726,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[232,114,133,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":810213},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.059961,"noise_level":-28.592358,"freq_skew":-1.656330,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":730,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":811567},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.561807,"noise_level":-28.522566,"freq_skew":-2.369309,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":317,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[136,240,23,53]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":812194},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656946,"noise_level":-29.308727,"freq_skew":-0.132142,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":393,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":812751},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.262055,"noise_level":-29.283400,"freq_skew":-1.298470,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-1.800000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":812892},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.344137,"noise_level":-29.283400,"freq_skew":2.489722,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":337,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":3,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[248,114,250,248]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43258,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[65,172,173,171]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":813330},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.504454,"noise_level":-30.140245,"freq_skew":0.469728,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":813496},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.269269,"noise_level":-30.553503,"freq_skew":1.268615,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":815159},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418671,"noise_level":-30.466120,"freq_skew":-0.936892,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[219,55,214,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733851,"usec":818288},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.176558,"noise_level":-30.237310,"freq_skew":0.479454,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733852,"usec":575395},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.126311,"noise_level":-30.153038,"freq_skew":0.588124,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733852,"usec":575831},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.482870,"noise_level":-30.418699,"freq_skew":0.529719,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":462,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43213,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[228,184,68,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733852,"usec":576887},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.632158,"noise_level":-31.276081,"freq_skew":1.153277,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":70,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[60,198,23,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733852,"usec":577294},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920276,"noise_level":-31.244324,"freq_skew":-0.387869,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"2F","blk_id":"3","ack":"!","flight":"AF1358","msg_num":"M27","msg_num_seq":"A","msg_text":"2017+4138-252/3746"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733852,"usec":577771},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.395285,"noise_level":-31.212683,"freq_skew":-1.637554,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LO05JL","msg_num":"D49","msg_num_seq":"E","sublabel":"DF","msg_text":" 85 8500 27\r\nDC01-9999-9999-9999    0XXX\r\nER01-9999-9999-9999    0XXX\r\nDC01   28   22    0    0 0)\r\nER01   26   24    0    0 0)\r\nDC01-9999-9999-9999    0XXX\r\nER01-9999-9999-9999    0XXX\r\nDC01-9999-9999-9999"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733852,"usec":578694},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343056,"noise_level":-31.149748,"freq_skew":-1.607016,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":729,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":4,"ack":2,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":13,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,69,88,83,0,64,112,46]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,69,88,83,0,64,112,46]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733852,"usec":580288},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.286517,"noise_level":-31.025227,"freq_skew":0.538836,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733852,"usec":583662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.208024,"noise_level":-30.781412,"freq_skew":2.479253,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733853,"usec":336309},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.112299,"noise_level":-30.721514,"freq_skew":0.435596,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733853,"usec":339167},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.200631,"noise_level":-30.515062,"freq_skew":0.436850,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733853,"usec":340870},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912799,"noise_level":-30.843010,"freq_skew":2.433378,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":61,"dst_ref":1580,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[155,210,62,189]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733853,"usec":345438},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.862385,"noise_level":-31.259764,"freq_skew":0.428864,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":278,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":98088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.478009,"noise_level":-31.011641,"freq_skew":-1.689640,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":98438},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659657,"noise_level":-30.980837,"freq_skew":0.685479,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":59618,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":99391},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.416151,"noise_level":-30.919552,"freq_skew":0.712039,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"X","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":101364},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.350508,"noise_level":-30.768206,"freq_skew":0.698732,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[170,43,57,201]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":102003},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696599,"noise_level":-30.738249,"freq_skew":0.498156,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[43,126,125,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":105544},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.301355,"noise_level":-30.531406,"freq_skew":-1.595262,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LO05JL","msg_num":"D49","msg_num_seq":"F","sublabel":"DF","msg_text":"    0XXX\r\nER01-9999-9999-9999    0XXX\r\nDC01    0    0    0    0XXX\r\nER01    0    0    0    0XXX\r\nDC01-9999-9999-9999    0XXX\r\nER01-9999-9999-9999    0XXX\r\nDC01-9999-9999-9999    0XXX\r\nER01-9999-9999-9999   "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":105846},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.426042,"noise_level":-30.502254,"freq_skew":-1.672792,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS015L","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":106002},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480696,"noise_level":-30.502254,"freq_skew":0.720039,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[88,221,40,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":857478},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183425,"noise_level":-30.357948,"freq_skew":0.659568,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":48,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1534,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,85,244,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":858736},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.046329,"noise_level":-30.272503,"freq_skew":0.283491,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":858964},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.081708,"noise_level":-30.272503,"freq_skew":0.578109,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":864872},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.255320,"noise_level":-30.304371,"freq_skew":0.492716,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733854,"usec":865872},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.054586,"noise_level":-30.219444,"freq_skew":0.659440,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733855,"usec":626263},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.307695,"noise_level":-29.767523,"freq_skew":0.475654,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733855,"usec":626662},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.345810,"noise_level":-30.062761,"freq_skew":2.222909,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-8.400001},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733856,"usec":383792},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.033603,"noise_level":-29.871227,"freq_skew":2.162272,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[223,54,92,252]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733856,"usec":385326},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788011,"noise_level":-29.763643,"freq_skew":0.468578,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733856,"usec":387451},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.093801,"noise_level":-29.631014,"freq_skew":2.418928,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":61,"dst_ref":1580,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[155,210,62,189]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733856,"usec":390119},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013217,"noise_level":-29.588518,"freq_skew":1.664372,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":307,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[254,120,17,12]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733856,"usec":390292},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.243963,"noise_level":-29.588518,"freq_skew":0.561801,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":59698,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733857,"usec":145504},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509321,"noise_level":-29.355896,"freq_skew":2.029391,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":789,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733857,"usec":148786},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542579,"noise_level":-29.154224,"freq_skew":0.526681,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733857,"usec":152451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.169708,"noise_level":-28.957129,"freq_skew":0.628276,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733857,"usec":154893},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.300977,"noise_level":-28.812189,"freq_skew":0.604111,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733857,"usec":905692},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.340315,"noise_level":-28.788265,"freq_skew":2.529233,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733857,"usec":910942},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898067,"noise_level":-28.483114,"freq_skew":-1.430260,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733857,"usec":912949},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790502,"noise_level":-28.368542,"freq_skew":0.492278,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733858,"usec":668081},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.184622,"noise_level":-28.033621,"freq_skew":0.460038,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733858,"usec":668988},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690076,"noise_level":-28.011745,"freq_skew":0.668480,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733858,"usec":669464},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.795873,"noise_level":-28.011745,"freq_skew":0.527607,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733858,"usec":672337},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.869872,"noise_level":-28.757505,"freq_skew":0.647543,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733858,"usec":675462},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432146,"noise_level":-28.615833,"freq_skew":0.652870,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Y","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733859,"usec":433464},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.771726,"noise_level":-28.851166,"freq_skew":-0.100785,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":393,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733859,"usec":433464},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.771726,"noise_level":-28.851166,"freq_skew":-0.100785,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":393,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733859,"usec":434341},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.967831,"noise_level":-28.803173,"freq_skew":-0.069180,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":751,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[35,101,0,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733859,"usec":434929},"freq":136975000,"burst_len_octets":169,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.089332,"noise_level":-28.779274,"freq_skew":-1.851904,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LO05JL","msg_num":"D49","msg_num_seq":"G","sublabel":"DF","msg_text":"<330>KER\r\n8  SP-LRALOT425    DC2139280725172521EPWALPPT 12664  2\r\n  7997 269  185 50 501BCG4DACMFRR31\r\nDC172521 269  7527   90  115  115   00\r\nER201717-205  1876   91  114  114   00\r\nDCS1N3S2N4    0    0   90    0\r\nERS1N3S2N4    0    0   90    0\r\nDC5148 19   68F   0 00   62F\r\nER   0 00   59F5146 18   70F\r\nDC   -3   -3    0    0    2    1-9999-9999\r\nER   -4   -4   -2   -2    0    0-9999-9999\r\nDC  95 105\r\nER  81  79\r\nDC 6 24696378  218   25  209    0   90   13\r\nER10 5   0 84  103  104   89    0    0   35\r\nDC 6 24693347  176   25  217  -65   90    7\r\nER 6 24706336  153   29  205  -65   90   11\r\nDC10 1   0 53   68   67   86    0    0   25\r\nER 6 24704269  146   19  182    0   90   -2\r\nDC10 1   0 53   70   70  -65   78    0   28\r\nER10 1   0 53   57   51  -65  105    0   13\r\nDC10    1    4   86 8500 28\r\nER10    0    4   85 8500 27\r\nDC01-9999-9999-9999    0XXX\r\nER01-9999-9999-9999    0XXX\r\nDC01   28   22    0    0 0)\r\nER01   26   24    0    0 0)\r\nDC01-9999-9999-9999    0XXX\r\nER01-9999-9999-9999    0XXX\r\nDC01-9999-9999-9999    0XXX\r\nER01-9999-9999-9999    0XXX\r\nDC01    0    0    0    0XXX\r\nER01    0    0    0    0XXX\r\nDC01-9999-9999-9999    0XXX\r\nER01-9999-9999-9999    0XXX\r\nDC01-9999-9999-9999    0XXX\r\nER01-9999-9999-9999    0XXX\r\nDC10    3    9   69 8500 27\r\nER10    3    7   69 8500 26\r\nDC10    2    7   69 8500 27\r\nER10    2    4   69 8500 26"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733859,"usec":436003},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.022666,"noise_level":-28.755438,"freq_skew":-1.551060,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LS015L","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733859,"usec":438155},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.151109,"noise_level":-28.660755,"freq_skew":-1.177688,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-1.800000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733860,"usec":184819},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452927,"noise_level":-28.451420,"freq_skew":0.238549,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":462,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43213,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[228,184,68,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733860,"usec":186734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.129216,"noise_level":-29.236771,"freq_skew":0.646356,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733860,"usec":187007},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390463,"noise_level":-29.211651,"freq_skew":-1.018555,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"TP93ZS","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733860,"usec":187007},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.390463,"noise_level":-29.211651,"freq_skew":-1.018555,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251222","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,146,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733860,"usec":187207},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.124252,"noise_level":-29.211651,"freq_skew":-0.235737,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"2F","blk_id":"3","ack":"!","flight":"AF1358","msg_num":"M27","msg_num_seq":"A","msg_text":"2017+4138-252/3746"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733860,"usec":188692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.197619,"noise_level":-29.111889,"freq_skew":0.646967,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733860,"usec":956900},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499819,"noise_level":-28.653072,"freq_skew":0.206854,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":463,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43213,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[228,184,68,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733860,"usec":957025},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.379634,"noise_level":-28.653072,"freq_skew":0.702390,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733860,"usec":957602},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.290179,"noise_level":-28.629585,"freq_skew":0.707509,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"Y","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733860,"usec":959509},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.116309,"noise_level":-28.536255,"freq_skew":0.289656,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733861,"usec":720099},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.073922,"noise_level":-28.328722,"freq_skew":0.251202,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733861,"usec":721105},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764122,"noise_level":-28.261005,"freq_skew":-1.284134,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733861,"usec":721907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.406406,"noise_level":-28.216154,"freq_skew":-1.389589,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733861,"usec":722791},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.160827,"noise_level":-28.193815,"freq_skew":-1.708240,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733861,"usec":723450},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.458786,"noise_level":-28.171532,"freq_skew":0.679057,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"O","ack":"!","sublabel":"EI","msg_text":"EM09R0\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733861,"usec":726914},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.777184,"noise_level":-28.017139,"freq_skew":0.337811,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":464,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":64,"dst_ref":1581,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[199,65,194,120]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733862,"usec":478689},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.699776,"noise_level":-27.908514,"freq_skew":-0.279501,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":111,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[6,241,220,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733862,"usec":479767},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904830,"noise_level":-28.579060,"freq_skew":-0.090070,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"2F","blk_id":"3","ack":"!","flight":"AF1358","msg_num":"M27","msg_num_seq":"A","msg_text":"2017+4138-252/3746"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733862,"usec":480237},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.801338,"noise_level":-28.854887,"freq_skew":-1.887204,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"1","ack":"O","flight":"LO05JL","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733862,"usec":480545},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958425,"noise_level":-29.637562,"freq_skew":0.151396,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733862,"usec":483659},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.464530,"noise_level":-29.455080,"freq_skew":-1.070961,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733862,"usec":485344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.246133,"noise_level":-29.352501,"freq_skew":0.342574,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733863,"usec":239345},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.215068,"noise_level":-29.101234,"freq_skew":0.560287,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733863,"usec":239675},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.196238,"noise_level":-29.076500,"freq_skew":0.524466,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":463,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43213,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[228,184,68,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733863,"usec":239789},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511787,"noise_level":-29.076500,"freq_skew":0.567482,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733863,"usec":999619},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.750689,"noise_level":-28.503132,"freq_skew":0.379877,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733864,"usec":1452},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.467316,"noise_level":-28.411142,"freq_skew":0.504278,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"P","ack":"!","sublabel":"EI","msg_text":"EM14R0\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733864,"usec":4305},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443794,"noise_level":-28.827381,"freq_skew":2.116217,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-8.400001},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733864,"usec":5812},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.846655,"noise_level":-28.731915,"freq_skew":0.604117,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733864,"usec":7858},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.162467,"noise_level":-28.660995,"freq_skew":1.112274,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6532,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[135,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733864,"usec":768670},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541959,"noise_level":-29.407656,"freq_skew":2.400175,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"U212RW","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733864,"usec":768670},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.541959,"noise_level":-29.407656,"freq_skew":2.400175,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20064414","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,105,12,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733864,"usec":772464},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.540012,"noise_level":-29.204792,"freq_skew":0.481339,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20064414","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733865,"usec":531771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.802395,"noise_level":-29.043520,"freq_skew":2.343239,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733865,"usec":532265},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724629,"noise_level":-29.043520,"freq_skew":0.452149,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"_d","blk_id":"X","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733865,"usec":535179},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.712623,"noise_level":-29.483467,"freq_skew":-2.586723,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":49,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733865,"usec":535287},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576706,"noise_level":-29.483467,"freq_skew":-1.637672,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"1","ack":"O","flight":"LO05JL","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733866,"usec":294596},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.237499,"noise_level":-29.005142,"freq_skew":0.428447,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733866,"usec":295408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.615815,"noise_level":-28.956289,"freq_skew":2.297441,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733866,"usec":295635},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.703742,"noise_level":-28.956289,"freq_skew":2.574381,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":801,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[71,193,240,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733866,"usec":295813},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.410717,"noise_level":-29.768063,"freq_skew":0.615287,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733866,"usec":297875},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695447,"noise_level":-29.688198,"freq_skew":0.450179,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":48176},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.268858,"noise_level":-29.556709,"freq_skew":0.401625,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":50879},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483870,"noise_level":-29.401501,"freq_skew":0.356484,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250515","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,77,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":51380},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.734545,"noise_level":-29.401501,"freq_skew":0.717671,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"P","ack":"!","sublabel":"EI","msg_text":"EM14R0\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":52625},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.408242,"noise_level":-30.110222,"freq_skew":0.612012,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":53971},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.763272,"noise_level":-30.027164,"freq_skew":1.020612,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":423,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":22920,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[104,171,145,7]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":53971},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.763272,"noise_level":-30.027164,"freq_skew":1.020612,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":424,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43325,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[170,165,37,195]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":17,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":54500},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574440,"noise_level":-29.999657,"freq_skew":0.708250,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22250515","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":54991},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793828,"noise_level":-29.972233,"freq_skew":1.185245,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1410,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[170,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":807889},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.572639,"noise_level":-29.755915,"freq_skew":-1.633135,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"2","ack":"P","flight":"LO05JL","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":810759},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.453417,"noise_level":-30.307501,"freq_skew":0.518027,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":810933},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.401971,"noise_level":-30.307501,"freq_skew":0.783213,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":63,"dst_ref":22920,"variable_part_params":[{"name":"atn_checksum","value":[186,166,206,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":815367},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.622946,"noise_level":-30.027494,"freq_skew":-0.216632,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"2F","blk_id":"3","ack":"!","flight":"AF1358","msg_num":"M27","msg_num_seq":"A","msg_text":"2017+4138-252/3746"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":815994},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718653,"noise_level":-29.999983,"freq_skew":0.400862,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733867,"usec":816411},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.350466,"noise_level":-29.972557,"freq_skew":0.495247,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733868,"usec":574531},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724508,"noise_level":-29.863722,"freq_skew":1.051129,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":426,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[205,169,123,87]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733868,"usec":575900},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.533213,"noise_level":-29.782982,"freq_skew":0.686436,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":59950,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":9,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733868,"usec":583927},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.711240,"noise_level":-29.364594,"freq_skew":0.703691,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.700001,"lon":-2.800000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733869,"usec":333124},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354485,"noise_level":-29.237877,"freq_skew":-1.556924,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"LO05JL","msg_num":"E20","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT09;PG1;REAL;SW030M1R\r\n1  \r\n2  234;234;235;234;0;0\r\n3  647;648;649;650;0;0\r\n4  0.51;0.49;0.59;0.54;0.00;0.00\r\n5  0;0;0;0\r\n6  0;0;90;0;0\r\n7  0.00;0.00;0.00;0.00\r\n8  281;281;280;281\r\n9  284;281;281;282\r\n10 "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733869,"usec":333922},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.081938,"noise_level":-29.187700,"freq_skew":1.037969,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6533,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[74,137]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733869,"usec":343444},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.286221,"noise_level":-28.724968,"freq_skew":0.523059,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733870,"usec":102216},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.487012,"noise_level":-28.560516,"freq_skew":0.646197,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733870,"usec":108704},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316089,"noise_level":-28.289856,"freq_skew":-1.825007,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LO05JL","msg_num":"E20","msg_num_seq":"B","sublabel":"EI","msg_text":"118;111\r\n11 0.61;0.60;0.70;0.68;0.11;0.21\r\n12 31;31;31;31;31;31\r\n13 0;;48;41;48;60;1;DIS\r\n14 49;52;52;54\r\n15 --;--;--;--\r\n16 NORMAL;NORMAL;NORMAL;NORMAL\r\n17 ;28;JUL;25;20:17:44\r\nRPT09;PG2;REAL;SW030M1R\r\n1  "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733870,"usec":855827},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452029,"noise_level":-28.111237,"freq_skew":0.156343,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733870,"usec":858876},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.305570,"noise_level":-28.111801,"freq_skew":1.873611,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60999,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[42,40,149,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733870,"usec":858876},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.305570,"noise_level":-28.111801,"freq_skew":1.873611,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60999,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[57,120,114,84]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733870,"usec":859668},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.436376,"noise_level":-28.089729,"freq_skew":0.498500,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733870,"usec":865620},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.052696,"noise_level":-27.856760,"freq_skew":-2.091641,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"36","blk_id":"7","ack":"!","flight":"EI058K","msg_num":"M48","msg_num_seq":"A","msg_text":" \r\n28JUL25,201748,EI-DEP\r\nN 43.287,W  3.808,36026\r\n------,  421500"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733870,"usec":866384},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391808,"noise_level":-27.856760,"freq_skew":-1.825072,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LO05JL","msg_num":"E20","msg_num_seq":"C","sublabel":"EI","msg_text":"1;1;1;1;1\r\n2  0;0\r\n3  0;0\r\n4  0\r\n5  95;0;0;98;0\r\n6  167;0;0;161;2\r\n7  1314;0;0;1307;0\r\n8  41;29;29;39;28\r\n9  1;1;0;1;1\r\n10 0;0;0\r\n11 0;1;0\r\n12 0\r\n13 0\r\n14 91;16;14;94;0\r\n15 166;65;92;164;2\r\n16 1289;144;1019"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733871,"usec":620242},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596352,"noise_level":-27.835327,"freq_skew":0.723340,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":59950,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":9,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733871,"usec":624036},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517985,"noise_level":-28.139544,"freq_skew":0.510632,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733871,"usec":628413},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.087429,"noise_level":-27.920609,"freq_skew":1.634688,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733871,"usec":628689},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692802,"noise_level":-27.920609,"freq_skew":0.570531,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733872,"usec":381674},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.946030,"noise_level":-27.813177,"freq_skew":1.958855,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733872,"usec":383213},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.287638,"noise_level":-27.728176,"freq_skew":-2.403147,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733872,"usec":386839},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.093547,"noise_level":-27.560635,"freq_skew":-2.041018,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733872,"usec":388601},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864168,"noise_level":-27.478062,"freq_skew":0.022333,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2650,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733872,"usec":389059},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.794879,"noise_level":-27.478062,"freq_skew":0.560220,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52692,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[86,145,206,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733873,"usec":141330},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.617847,"noise_level":-27.295090,"freq_skew":2.232388,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":600,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[209,104,252,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733873,"usec":147105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.288050,"noise_level":-27.282297,"freq_skew":0.651947,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA808","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733873,"usec":149582},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.308006,"noise_level":-27.921793,"freq_skew":2.088486,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[147,139,216,240]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733873,"usec":901073},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.101045,"noise_level":-27.857166,"freq_skew":0.439816,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733873,"usec":902593},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.210290,"noise_level":-27.771738,"freq_skew":1.021779,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"36","blk_id":"6","ack":"!","flight":"EI0887","msg_num":"M21","msg_num_seq":"A","msg_text":" \r\n28JUL25,201748,EI-DEK\r\nN 43.230,W  7.964,35987\r\n------,  413500"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733873,"usec":908974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.247723,"noise_level":-27.520380,"freq_skew":0.539180,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733873,"usec":909383},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.205931,"noise_level":-27.499760,"freq_skew":1.140140,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[103,14]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733873,"usec":910952},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.363432,"noise_level":-27.417759,"freq_skew":0.466230,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733874,"usec":668996},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456291,"noise_level":-27.296190,"freq_skew":0.721734,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733874,"usec":669434},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.648186,"noise_level":-27.658518,"freq_skew":0.497280,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":650,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733874,"usec":669683},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.171716,"noise_level":-28.378561,"freq_skew":0.632180,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733874,"usec":670425},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.393278,"noise_level":-28.333099,"freq_skew":0.626323,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52695,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,171,4,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733874,"usec":674767},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.587248,"noise_level":-28.153595,"freq_skew":0.491992,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733874,"usec":674950},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974560,"noise_level":-28.153595,"freq_skew":1.959383,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[237,83,230,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733874,"usec":676121},"freq":136975000,"burst_len_octets":173,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238542,"noise_level":-28.701517,"freq_skew":-1.597961,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LO05JL","msg_num":"E20","msg_num_seq":"D","sublabel":"EI","msg_text":"RPT09;PG1;REAL;SW030M1R\r\n1  \r\n2  234;234;235;234;0;0\r\n3  647;648;649;650;0;0\r\n4  0.51;0.49;0.59;0.54;0.00;0.00\r\n5  0;0;0;0\r\n6  0;0;90;0;0\r\n7  0.00;0.00;0.00;0.00\r\n8  281;281;280;281\r\n9  284;281;281;282\r\n10 118;111\r\n11 0.61;0.60;0.70;0.68;0.11;0.21\r\n12 31;31;31;31;31;31\r\n13 0;;48;41;48;60;1;DIS\r\n14 49;52;52;54\r\n15 --;--;--;--\r\n16 NORMAL;NORMAL;NORMAL;NORMAL\r\n17 ;28;JUL;25;20:17:44\r\nRPT09;PG2;REAL;SW030M1R\r\n1  1;1;1;1;1\r\n2  0;0\r\n3  0;0\r\n4  0\r\n5  95;0;0;98;0\r\n6  167;0;0;161;2\r\n7  1314;0;0;1307;0\r\n8  41;29;29;39;28\r\n9  1;1;0;1;1\r\n10 0;0;0\r\n11 0;1;0\r\n12 0\r\n13 0\r\n14 91;16;14;94;0\r\n15 166;65;92;164;2\r\n16 1289;144;1019;1282;0\r\n17 38;39;32;41;28\r\n18 ON;ON;ON;ON\r\n19 ON;ON;ON;ON\r\n20 ON;ON\r\n21 ON;ON\r\n22 ON\r\n23 ON\r\n24 ON\r\n25 ;28;JUL;25;20:17:44\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733874,"usec":676713},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.875683,"noise_level":-29.334211,"freq_skew":0.250607,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":651,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[147,148,181,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733874,"usec":677384},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.247638,"noise_level":-29.498978,"freq_skew":0.677324,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733875,"usec":430003},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921924,"noise_level":-29.293995,"freq_skew":0.608293,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"TP19UT","msg_num":"M01","msg_num_seq":"A","msg_text":"201753,20745,2115,349.6, 4900,N4037.35 W00411.60"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733875,"usec":431745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.343285,"noise_level":-29.193291,"freq_skew":1.110069,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733875,"usec":435516},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.213024,"noise_level":-29.019817,"freq_skew":0.677933,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733875,"usec":436405},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.206172,"noise_level":-28.970886,"freq_skew":0.674160,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733875,"usec":437433},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.453293,"noise_level":-28.922226,"freq_skew":0.659125,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733875,"usec":437657},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718122,"noise_level":-29.565472,"freq_skew":0.988820,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":71,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":189130},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696498,"noise_level":-29.461590,"freq_skew":2.087688,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":600,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[209,104,252,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":189992},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557951,"noise_level":-30.193569,"freq_skew":0.474760,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA808","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":60181,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":200923},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.203684,"noise_level":-29.968538,"freq_skew":0.640679,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":957657},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.138759,"noise_level":-29.886820,"freq_skew":0.456549,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":958600},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.245686,"noise_level":-29.805866,"freq_skew":0.400343,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[252,165,137,252]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":959471},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.325412,"noise_level":-29.752310,"freq_skew":0.281117,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[172,35,125,44]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":960690},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720303,"noise_level":-29.725657,"freq_skew":0.892896,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.700001,"lon":-2.800000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":961150},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.255085,"noise_level":-29.699081,"freq_skew":-1.481641,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":731,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[222]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[73,71,172,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":961674},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.520194,"noise_level":-29.699081,"freq_skew":0.548809,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":965033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.908282,"noise_level":-29.489384,"freq_skew":0.818623,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":965547},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.429201,"noise_level":-30.109478,"freq_skew":-0.029886,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":968708},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.568616,"noise_level":-30.301357,"freq_skew":0.637909,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"TP05AS","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733876,"usec":969145},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467875,"noise_level":-30.839062,"freq_skew":1.418238,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1562,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":12,"ack":4,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733877,"usec":716260},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.858563,"noise_level":-30.718884,"freq_skew":0.742048,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250721","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733877,"usec":720276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.169993,"noise_level":-30.425526,"freq_skew":-1.463793,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733877,"usec":722871},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706148,"noise_level":-30.282478,"freq_skew":1.175931,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,45,173,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733878,"usec":476366},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.510621,"noise_level":-30.030785,"freq_skew":0.717324,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733878,"usec":480790},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.806753,"noise_level":-29.813023,"freq_skew":0.690247,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":417,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":7,"ack":3,"credit_offered":0,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733878,"usec":481841},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.265093,"noise_level":-30.253077,"freq_skew":0.698038,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733879,"usec":237769},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.498276,"noise_level":-29.812002,"freq_skew":0.195906,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733879,"usec":240226},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.119880,"noise_level":-30.389862,"freq_skew":-1.633055,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733879,"usec":244578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.042563,"noise_level":-30.107231,"freq_skew":1.513547,"avlc":{"src":{"addr":"4CAFD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733879,"usec":244804},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831666,"noise_level":-30.107231,"freq_skew":0.461331,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":60294,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733880,"usec":7242},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495752,"noise_level":-29.806604,"freq_skew":1.997011,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":608,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733881,"usec":524956},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914956,"noise_level":-28.488226,"freq_skew":1.089944,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30747,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[108,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733882,"usec":282965},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.665189,"noise_level":-28.082418,"freq_skew":0.624610,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":60294,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733882,"usec":283089},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023624,"noise_level":-28.082418,"freq_skew":0.825620,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733883,"usec":51411},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.333624,"noise_level":-27.183453,"freq_skew":-1.881044,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"LO05JL","msg_num":"E21","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT14;PG1;REAL;SW030M1RV12\r\n1  OPEN;OPEN;OPEN;OPEN\r\n2  ON;PRESS;ON;PRESS\r\n3  ON;PRESS;ON;PRESS\r\n4  OFF;NO PRESS;OFF;NO PRESS\r\n5  OPEN;OPEN;OPEN;OPEN\r\n6  CLOSED;CLOSED;CLOSED;CLOSED\r\n7  CLOSED;CLOSED;CLOSED;"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733883,"usec":813286},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.379180,"noise_level":-26.852217,"freq_skew":0.571301,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733883,"usec":817784},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.261275,"noise_level":-26.588612,"freq_skew":1.831615,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":591,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[67,104,232,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733883,"usec":818060},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515988,"noise_level":-26.588612,"freq_skew":-1.614167,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LO05JL","msg_num":"E21","msg_num_seq":"B","sublabel":"EI","msg_text":"CLOSED\r\n8  CLOSED;CLOSED;CLOSED;CLOSED\r\n9  CLOSED;CLOSED;CLOSED;CLOSED\r\n10 CLOSED;CLOSED;CLOSED;CLOSED\r\n11 CLOSED;CLOSED;CLOSED;CLOSED\r\n12 CLOSED;CLOSED;CLOSED;CLOSED\r\n13 OFF;NO PRESS\r\n14 ON;PRESS\r\n15 27;28"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733884,"usec":571795},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.666844,"noise_level":-26.405104,"freq_skew":0.640569,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":60294,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733884,"usec":574705},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.481643,"noise_level":-26.573885,"freq_skew":0.620568,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":60426,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733884,"usec":575587},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.608866,"noise_level":-26.518517,"freq_skew":0.617493,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733885,"usec":331183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340022,"noise_level":-26.427017,"freq_skew":2.102008,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733885,"usec":332782},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.774279,"noise_level":-26.336468,"freq_skew":1.044348,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":720,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[45,136,232,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733885,"usec":336071},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.169456,"noise_level":-26.318472,"freq_skew":1.072480,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733885,"usec":338281},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.861167,"noise_level":-26.476044,"freq_skew":-1.825732,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LO05JL","msg_num":"E21","msg_num_seq":"C","sublabel":"EI","msg_text":"RPT14;PG1;REAL;SW030M1RV12\r\n1  OPEN;OPEN;OPEN;OPEN\r\n2  ON;PRESS;ON;PRESS\r\n3  ON;PRESS;ON;PRESS\r\n4  OFF;NO PRESS;OFF;NO PRESS\r\n5  OPEN;OPEN;OPEN;OPEN\r\n6  CLOSED;CLOSED;CLOSED;CLOSED\r\n7  CLOSED;CLOSED;CLOSED;CLOSED\r\n8  CLOSED;CLOSED;CLOSED;CLOSED\r\n9  CLOSED;CLOSED;CLOSED;CLOSED\r\n10 CLOSED;CLOSED;CLOSED;CLOSED\r\n11 CLOSED;CLOSED;CLOSED;CLOSED\r\n12 CLOSED;CLOSED;CLOSED;CLOSED\r\n13 OFF;NO PRESS\r\n14 ON;PRESS\r\n15 27;28;23;27;27;23\r\n16 ;28;JUL;25;20:17:49\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733885,"usec":339276},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.463909,"noise_level":-26.421297,"freq_skew":0.496100,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18785,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[186,82,157,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733885,"usec":339607},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.356165,"noise_level":-26.403122,"freq_skew":0.221996,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733886,"usec":90995},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.055262,"noise_level":-26.187958,"freq_skew":0.498449,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA27F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733886,"usec":92366},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.160540,"noise_level":-26.808054,"freq_skew":0.602934,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733886,"usec":97367},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279303,"noise_level":-26.619902,"freq_skew":-2.340574,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":580,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[8,207,221,65]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733886,"usec":100102},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.277570,"noise_level":-26.601311,"freq_skew":-2.446419,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":581,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[188,162,59,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733886,"usec":860297},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.439753,"noise_level":-26.273266,"freq_skew":0.604343,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733886,"usec":864142},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.446597,"noise_level":-26.078728,"freq_skew":-0.033263,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":394,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[9,68,105,184]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733886,"usec":864857},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.971924,"noise_level":-26.330719,"freq_skew":1.831310,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":591,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[67,104,232,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733887,"usec":627755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.137081,"noise_level":-26.029930,"freq_skew":-1.684506,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733887,"usec":634262},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945930,"noise_level":-25.960644,"freq_skew":0.853727,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":418,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":7,"ack":3,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,84,65,80,0,73,81,209],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733888,"usec":381015},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.166331,"noise_level":-26.530777,"freq_skew":0.701628,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":419,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":8,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733888,"usec":382522},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.398415,"noise_level":-26.475681,"freq_skew":0.635779,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18785,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[186,82,157,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733888,"usec":382952},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567195,"noise_level":-26.475681,"freq_skew":0.577123,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":420,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":8,"ack":3,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":7,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,81,209]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,81,209]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733888,"usec":384565},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327727,"noise_level":-26.402763,"freq_skew":0.605538,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":421,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":9,"ack":3,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":8,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,81,209]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,81,209]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733888,"usec":385557},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.852256,"noise_level":-26.483925,"freq_skew":-0.788615,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVA","mode":"2","label":"30","blk_id":"9","ack":"!","flight":"TP863Y","msg_num":"M89","msg_num_seq":"A","msg_text":"2056"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733888,"usec":385942},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452341,"noise_level":-26.465618,"freq_skew":0.033301,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":728,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[177,202,49,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733889,"usec":145051},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.807794,"noise_level":-26.809109,"freq_skew":-0.163179,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733889,"usec":152563},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.248334,"noise_level":-26.915054,"freq_skew":0.604085,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733889,"usec":904584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.236856,"noise_level":-26.876629,"freq_skew":0.923550,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733889,"usec":906645},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785927,"noise_level":-27.327496,"freq_skew":0.914616,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":422,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":2}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733889,"usec":912558},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.423758,"noise_level":-27.437031,"freq_skew":0.691780,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18789,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[213,218,150,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733889,"usec":914984},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354638,"noise_level":-27.274961,"freq_skew":1.156022,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733890,"usec":668184},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.884418,"noise_level":-27.195045,"freq_skew":0.490538,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[213,90,203,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733890,"usec":670474},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.715955,"noise_level":-27.037388,"freq_skew":-0.833386,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733890,"usec":672328},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.333353,"noise_level":-26.920994,"freq_skew":0.811070,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733890,"usec":674831},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.231740,"noise_level":-26.787144,"freq_skew":0.662878,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733891,"usec":430559},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488262,"noise_level":-26.397543,"freq_skew":0.264168,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[82,114,187,167]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30657,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[167,147,194,135]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733892,"usec":195241},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.467638,"noise_level":-26.217985,"freq_skew":-1.397111,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":749,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[57,6,159,113]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733892,"usec":198814},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.214453,"noise_level":-26.024668,"freq_skew":0.690821,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":2796,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733892,"usec":956653},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737053,"noise_level":-25.767801,"freq_skew":0.649636,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Request / Broadcast Handoff","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"autotune_freq","value":{"freq_mhz":136.975006,"modulation_support":["VDL-M2, D8PSK, 31500 bps"]}},{"name":"replacement_ground_stations","value":["10940A"]},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733892,"usec":957058},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839277,"noise_level":-26.375561,"freq_skew":2.681326,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4087,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[165,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733892,"usec":957429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.916863,"noise_level":-26.357483,"freq_skew":0.313403,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733892,"usec":957560},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.455617,"noise_level":-26.357483,"freq_skew":0.452928,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733892,"usec":960901},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.955612,"noise_level":-26.485683,"freq_skew":3.000791,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4088,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43208,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[105,91]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":11,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733893,"usec":713943},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.319678,"noise_level":-26.358328,"freq_skew":0.815909,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733893,"usec":716320},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.282033,"noise_level":-26.232815,"freq_skew":1.567671,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[164,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733893,"usec":722010},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738268,"noise_level":-27.083185,"freq_skew":2.284666,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":346,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733894,"usec":477042},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.277369,"noise_level":-26.587172,"freq_skew":2.786850,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733895,"usec":237168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.347388,"noise_level":-26.170822,"freq_skew":2.885859,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733896,"usec":1963},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.036194,"noise_level":-25.773521,"freq_skew":2.660907,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4089,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":28,"dst_ref":23099,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[249,74]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733896,"usec":6411},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.816548,"noise_level":-25.739815,"freq_skew":0.580814,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52709,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[229,251,240,173]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":135.955000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733896,"usec":8438},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083493,"noise_level":-25.656124,"freq_skew":0.336253,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30657,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[161,191,201,89]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733896,"usec":763720},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.307817,"noise_level":-25.458490,"freq_skew":2.321994,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1485,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[193,203,61,90]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1485,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[153,64,124,92]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733896,"usec":771303},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.330076,"noise_level":-25.185989,"freq_skew":0.651110,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[86,139,140,70]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733897,"usec":526160},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.064346,"noise_level":-25.107445,"freq_skew":0.425204,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733897,"usec":528169},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.182696,"noise_level":-24.998661,"freq_skew":2.906660,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733897,"usec":533766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461645,"noise_level":-25.473923,"freq_skew":2.376226,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733897,"usec":534910},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.223432,"noise_level":-25.991838,"freq_skew":0.100724,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":289,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[197,18,182,151]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733898,"usec":281794},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.594021,"noise_level":-25.871471,"freq_skew":-0.400412,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733898,"usec":287837},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.068228,"noise_level":-25.585920,"freq_skew":-3.417013,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-2.400000},"alt":19000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733899,"usec":51657},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.015061,"noise_level":-26.089901,"freq_skew":0.662460,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733899,"usec":54597},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.372406,"noise_level":-25.985466,"freq_skew":1.479984,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[91,26]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733899,"usec":56146},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914430,"noise_level":-25.899384,"freq_skew":3.141261,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":590,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733900,"usec":568212},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.844815,"noise_level":-25.319578,"freq_skew":3.301103,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-3.600000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733900,"usec":571492},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.222752,"noise_level":-25.129375,"freq_skew":0.358773,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":289,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[197,18,182,151]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733900,"usec":572655},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.476388,"noise_level":-25.066889,"freq_skew":3.130964,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"U245GK","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733901,"usec":332917},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.088676,"noise_level":-25.559080,"freq_skew":3.028561,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20060027","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,96,23,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733901,"usec":336243},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.090055,"noise_level":-25.957632,"freq_skew":2.533875,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733901,"usec":337700},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977361,"noise_level":-25.871826,"freq_skew":-0.301555,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":112,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733902,"usec":102038},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.164117,"noise_level":-25.520412,"freq_skew":3.269526,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733902,"usec":103202},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.964876,"noise_level":-26.197165,"freq_skew":-0.215160,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733902,"usec":103681},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.674117,"noise_level":-26.161777,"freq_skew":2.751570,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4090,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[161,174]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733902,"usec":105020},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.439037,"noise_level":-26.091438,"freq_skew":0.630000,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18803,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[0,43,210,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733902,"usec":859570},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.871754,"noise_level":-26.705975,"freq_skew":2.767500,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4091,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43208,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[39,226]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733902,"usec":859789},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.867355,"noise_level":-26.705975,"freq_skew":0.626824,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,31,24,170]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733902,"usec":861265},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511100,"noise_level":-27.214981,"freq_skew":-1.595895,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":732,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[13,76,16,210]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733902,"usec":861653},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667685,"noise_level":-27.857708,"freq_skew":0.705077,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":60925,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733903,"usec":617248},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.142848,"noise_level":-27.479706,"freq_skew":0.689551,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733903,"usec":623871},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730062,"noise_level":-27.316845,"freq_skew":2.924430,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4090,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[161,174]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733903,"usec":627302},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.652262,"noise_level":-27.525671,"freq_skew":2.500289,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5548,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[205,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733903,"usec":627691},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.299642,"noise_level":-27.525671,"freq_skew":0.777353,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733905,"usec":155430},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.443522,"noise_level":-26.476135,"freq_skew":0.454690,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[173,31,24,170]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733905,"usec":903228},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.749201,"noise_level":-26.348919,"freq_skew":0.382781,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":498,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,184,118,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733905,"usec":903568},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.910257,"noise_level":-26.330898,"freq_skew":2.354714,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMZ","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"FR04VH","msg_num":"M32","msg_num_seq":"A","msg_text":"201824,38002,2221, 146,N 39.869 W  7.496"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733905,"usec":905074},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764878,"noise_level":-26.241341,"freq_skew":0.544273,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18805,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[130,232,54,15]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":119.630000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733905,"usec":905381},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.532946,"noise_level":-26.712734,"freq_skew":2.399837,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5549,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[132,44]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733906,"usec":663089},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.367593,"noise_level":-26.987305,"freq_skew":0.506798,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34838B","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733906,"usec":664367},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.868613,"noise_level":-26.890757,"freq_skew":-3.424364,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-2.400000},"alt":19000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733906,"usec":666730},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.932919,"noise_level":-26.738480,"freq_skew":-3.216237,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"IB0657","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733906,"usec":666730},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.932919,"noise_level":-26.738480,"freq_skew":-3.216237,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15011516","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,19,78,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733906,"usec":666972},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.951145,"noise_level":-27.184494,"freq_skew":-0.805739,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733907,"usec":432115},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.970830,"noise_level":-26.796051,"freq_skew":0.564627,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"TP19UT","msg_num":"M02","msg_num_seq":"A","msg_text":"/LPPT.TI2/024LPPTA93DE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733907,"usec":433536},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.150679,"noise_level":-26.758144,"freq_skew":1.625225,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[19,205,227,29]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733908,"usec":189980},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.901977,"noise_level":-26.442453,"freq_skew":0.600449,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"41","blk_id":"K","ack":"!","msg_text":"*MESSAGE FROM OPERATIONS SENIOR*\r\nNO PROBLEM AT ALL GUYS \r\nBRGDS\r\nEASYJET OPERATIONS SENIOR/SEAN\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733908,"usec":191971},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.470561,"noise_level":-26.315727,"freq_skew":1.991613,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"_d","blk_id":"9","ack":"K","flight":"U285XQ","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733908,"usec":198349},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.658064,"noise_level":-26.244133,"freq_skew":0.421912,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.100002,"lon":-8.100000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733908,"usec":198604},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.508548,"noise_level":-26.244133,"freq_skew":-0.169821,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733908,"usec":950531},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.560417,"noise_level":-26.814274,"freq_skew":-2.112981,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[233,10,157,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733908,"usec":951984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.135969,"noise_level":-27.195587,"freq_skew":0.559236,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733908,"usec":956092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.670337,"noise_level":-27.100821,"freq_skew":3.135761,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733908,"usec":956484},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.858452,"noise_level":-27.100821,"freq_skew":0.679138,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18805,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[130,232,54,15]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":119.630000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733908,"usec":958357},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.328300,"noise_level":-27.003010,"freq_skew":0.669063,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733909,"usec":716391},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.868884,"noise_level":-26.944847,"freq_skew":2.720085,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4090,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[161,174]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733909,"usec":716546},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392876,"noise_level":-26.944847,"freq_skew":2.385473,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMZ","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"FR04VH","msg_num":"M32","msg_num_seq":"A","msg_text":"201824,38002,2221, 146,N 39.869 W  7.496"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733910,"usec":472227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.349746,"noise_level":-26.365601,"freq_skew":0.787629,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733910,"usec":476054},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.257794,"noise_level":-26.204422,"freq_skew":-3.392729,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733910,"usec":478094},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854285,"noise_level":-26.098606,"freq_skew":2.802017,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4092,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43208,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[216,236]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733911,"usec":237406},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209824,"noise_level":-25.976763,"freq_skew":1.701416,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[19,205,227,29]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733911,"usec":240008},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.576878,"noise_level":-25.805614,"freq_skew":2.175119,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"_d","blk_id":"9","ack":"K","flight":"U285XQ","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733912,"usec":4517},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700578,"noise_level":-25.555054,"freq_skew":0.622600,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18805,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[130,232,54,15]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":119.630000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733912,"usec":5049},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.900633,"noise_level":-25.971790,"freq_skew":1.543417,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,43,87,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733912,"usec":5495},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.207105,"noise_level":-25.954533,"freq_skew":0.676519,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733912,"usec":11251},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.506921,"noise_level":-25.772079,"freq_skew":-2.081114,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[233,10,157,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733912,"usec":758956},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.002464,"noise_level":-25.604879,"freq_skew":1.468864,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1424,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[94,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733912,"usec":761481},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.308339,"noise_level":-25.457100,"freq_skew":0.556613,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733912,"usec":761633},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493654,"noise_level":-25.819881,"freq_skew":2.808079,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4093,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43208,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[157,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733912,"usec":761919},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090102,"noise_level":-25.819881,"freq_skew":0.680060,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52727,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733912,"usec":764561},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.324852,"noise_level":-25.735416,"freq_skew":0.580149,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18816,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[199,91,61,48]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733912,"usec":767718},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.013885,"noise_level":-25.635132,"freq_skew":-3.154493,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733913,"usec":524076},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.306032,"noise_level":-25.552437,"freq_skew":-0.239694,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733913,"usec":526946},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477049,"noise_level":-25.437969,"freq_skew":0.448134,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18805,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[130,232,54,15]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":119.630000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733913,"usec":531968},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.129905,"noise_level":-25.308973,"freq_skew":1.639053,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":625,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[149,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733913,"usec":536456},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.302284,"noise_level":-25.213469,"freq_skew":0.560536,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52729,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733914,"usec":291556},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.494131,"noise_level":-25.455307,"freq_skew":2.375233,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733915,"usec":50709},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.980198,"noise_level":-26.063787,"freq_skew":0.213508,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733915,"usec":56324},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394556,"noise_level":-25.771950,"freq_skew":1.057482,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":256,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[113,163,67,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733915,"usec":58055},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.291906,"noise_level":-25.721453,"freq_skew":0.726144,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733915,"usec":808048},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.782762,"noise_level":-25.456978,"freq_skew":0.603345,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18805,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[130,232,54,15]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":119.630000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733915,"usec":808597},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.433665,"noise_level":-25.617958,"freq_skew":0.492102,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52727,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733915,"usec":812300},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.611867,"noise_level":-25.502628,"freq_skew":1.377251,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":752,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733915,"usec":813356},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781991,"noise_level":-25.453667,"freq_skew":-0.303503,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":112,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[16,140,10,26]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733916,"usec":574476},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937883,"noise_level":-25.276468,"freq_skew":0.216619,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.100002,"lon":-8.100000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733916,"usec":576992},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232213,"noise_level":-25.134129,"freq_skew":-0.243126,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":113,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43188,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[225,94,203,118]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733917,"usec":334745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256244,"noise_level":-24.886703,"freq_skew":0.685031,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733917,"usec":335342},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.322408,"noise_level":-24.856264,"freq_skew":0.679781,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18823,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[29,40,111,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733917,"usec":337250},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.637229,"noise_level":-25.052181,"freq_skew":1.262379,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[21,82]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733918,"usec":94074},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585967,"noise_level":-24.776882,"freq_skew":0.501210,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733918,"usec":97564},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303757,"noise_level":-24.672136,"freq_skew":-0.349144,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733918,"usec":100287},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.028821,"noise_level":-24.539291,"freq_skew":0.498748,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733918,"usec":851657},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724169,"noise_level":-24.510044,"freq_skew":-0.138043,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733918,"usec":854236},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.812929,"noise_level":-24.379637,"freq_skew":1.281499,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":752,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733918,"usec":854571},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.257564,"noise_level":-24.508200,"freq_skew":1.456016,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":626,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[76,38]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733919,"usec":620966},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285312,"noise_level":-24.249367,"freq_skew":0.628575,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733919,"usec":623143},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.204980,"noise_level":-24.213703,"freq_skew":0.512768,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"_d","blk_id":"8","ack":"R","flight":"TP19UT","msg_num":"M03","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733920,"usec":382505},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.341943,"noise_level":-23.938248,"freq_skew":0.491751,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18825,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[77,201,159,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733920,"usec":383202},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532632,"noise_level":-23.910954,"freq_skew":2.144731,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"8S","blk_id":"3","ack":"!","flight":"U292QR","msg_num":"M86","msg_num_seq":"A","msg_text":"EGPF,2248,Y,N,N,--,--,1\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733920,"usec":388595},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.815698,"noise_level":-23.816090,"freq_skew":1.987080,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[67,204,231,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733920,"usec":390560},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.798214,"noise_level":-23.881197,"freq_skew":0.465754,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFQQ"},{"name":"ac_location","value":{"loc":{"lat":44.400002,"lon":-3.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733921,"usec":142644},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.504914,"noise_level":-23.759834,"freq_skew":0.571669,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"Q","ack":"!","sublabel":"EI","msg_text":"EM07R0\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733921,"usec":145749},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421361,"noise_level":-23.693138,"freq_skew":1.392158,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[21,82]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733921,"usec":146546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.220235,"noise_level":-23.679857,"freq_skew":0.582467,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733921,"usec":148699},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669710,"noise_level":-23.626947,"freq_skew":0.225380,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[63,101,220,129]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733921,"usec":149696},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.153292,"noise_level":-23.613768,"freq_skew":0.427024,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OOC","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"V72407","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733921,"usec":149696},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.153292,"noise_level":-23.613768,"freq_skew":0.427024,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15101613","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,79,69,0,52,131,139,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733921,"usec":150636},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.804021,"noise_level":-23.600613,"freq_skew":-1.818514,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"0","ack":"Q","flight":"LO05JL","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733921,"usec":907439},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.179518,"noise_level":-24.484512,"freq_skew":2.183738,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733921,"usec":911875},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303847,"noise_level":-24.325851,"freq_skew":0.540011,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733922,"usec":678496},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083217,"noise_level":-24.508690,"freq_skew":-0.207452,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":114,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43188,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[114,147,230,3]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733922,"usec":680353},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.161710,"noise_level":-24.479544,"freq_skew":0.589579,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733922,"usec":681342},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.972439,"noise_level":-25.301212,"freq_skew":0.612726,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"RA","blk_id":"R","ack":"!","msg_text":"QUWAWAMLO~1DIS01282018\r\nDISPATCH_MSG\r\n- TRANSFER LIST LO426/28\r\nETA 2313 STAND64\r\n\r\nALL TRANSFER PAX OK\r\nLO0465 BLL 0600+1         Y1   OK\r\nLO0453 ARN 0605+1         Y1   OK\r\nLO0463 CPH 0625+1         Y9   OK\r\nLO0133 IST"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733922,"usec":683607},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.510372,"noise_level":-25.205793,"freq_skew":0.502700,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18828,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[114,244,161,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733923,"usec":427264},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635199,"noise_level":-25.080173,"freq_skew":-1.972937,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"1","ack":"R","flight":"LO05JL","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733923,"usec":429768},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631622,"noise_level":-24.987137,"freq_skew":1.217358,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EICK"},{"name":"ac_location","value":{"loc":{"lat":43.299999,"lon":-8.000000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733923,"usec":434148},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.287031,"noise_level":-24.864618,"freq_skew":0.353736,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733923,"usec":434817},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.572979,"noise_level":-24.849424,"freq_skew":-0.358056,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733923,"usec":435116},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.120662,"noise_level":-24.849424,"freq_skew":0.597239,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18831,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[167,123,58,125]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":8,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733923,"usec":436717},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179487,"noise_level":-24.804001,"freq_skew":0.698266,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":195813},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362627,"noise_level":-25.190268,"freq_skew":1.365022,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEK","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"EI0887","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":195813},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.362627,"noise_level":-25.190268,"freq_skew":1.365022,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23121177","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,162,127,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":196119},"freq":136975000,"burst_len_octets":136,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.993826,"noise_level":-25.683001,"freq_skew":0.685515,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"RA","blk_id":"S","ack":"!","msg_text":"QUWAWAMLO~1DIS01282018\r\nDISPATCH_MSG\r\n- TRANSFER LIST LO426/28\r\nETA 2313 STAND64\r\n\r\nALL TRANSFER PAX OK\r\nLO0465 BLL 0600+1         Y1   OK\r\nLO0453 ARN 0605+1         Y1   OK\r\nLO0463 CPH 0625+1         Y9   OK\r\nLO0133 IST 0715+1         Y5   OK\r\nLO3815 GDN 1445+1         Y4   OK\r\nLH1615 MUC                Y1   OK\r\n \r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":202650},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.570984,"noise_level":-25.435904,"freq_skew":-0.384362,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":203194},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.974868,"noise_level":-25.419676,"freq_skew":-0.327199,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":899,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":954660},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.868246,"noise_level":-25.322952,"freq_skew":-1.975864,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"2","ack":"S","flight":"LO05JL","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":955161},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.151245,"noise_level":-25.306934,"freq_skew":1.255766,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":955569},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480108,"noise_level":-25.290949,"freq_skew":0.545818,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[44,69,236,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":957328},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.497224,"noise_level":-25.227295,"freq_skew":-2.135822,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[86,77,150,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":958458},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.070289,"noise_level":-25.614902,"freq_skew":-0.183823,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":115,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[176,139,65,239]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":962097},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719414,"noise_level":-25.515991,"freq_skew":-1.121479,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[228,196,73,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733924,"usec":966161},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209726,"noise_level":-25.369705,"freq_skew":0.562493,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733925,"usec":714441},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.271608,"noise_level":-25.321486,"freq_skew":1.971166,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[247,118,162,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733925,"usec":714676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905216,"noise_level":-25.321486,"freq_skew":0.451723,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733925,"usec":714948},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661700,"noise_level":-25.584576,"freq_skew":1.096561,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733925,"usec":715093},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.807167,"noise_level":-25.584576,"freq_skew":0.648189,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733925,"usec":717079},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.619467,"noise_level":-25.502357,"freq_skew":1.846728,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":41.000000,"lon":-4.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733925,"usec":721543},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.340590,"noise_level":-26.545208,"freq_skew":-0.355429,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733925,"usec":723841},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.325485,"noise_level":-26.471706,"freq_skew":1.986538,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"U268FY","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733926,"usec":474055},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616525,"noise_level":-27.377155,"freq_skew":1.842048,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20065621","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,107,145,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733926,"usec":476528},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.772659,"noise_level":-27.256149,"freq_skew":1.383064,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[31,10,95,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733926,"usec":479860},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.280765,"noise_level":-27.606413,"freq_skew":-0.277769,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-6.800000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733926,"usec":484138},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.870099,"noise_level":-27.420746,"freq_skew":0.502735,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733927,"usec":247312},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.937055,"noise_level":-27.795589,"freq_skew":-0.336858,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"TP0687","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733927,"usec":248269},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.880462,"noise_level":-27.774303,"freq_skew":-3.108206,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-2.300000},"alt":20000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733927,"usec":248793},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626399,"noise_level":-27.753071,"freq_skew":-0.213776,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,211,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733927,"usec":249339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.835335,"noise_level":-27.731892,"freq_skew":1.762645,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733927,"usec":251585},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.554838,"noise_level":-27.626753,"freq_skew":0.593767,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22250723","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733927,"usec":995336},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767993,"noise_level":-28.135626,"freq_skew":-0.107708,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733927,"usec":996798},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.087921,"noise_level":-28.047428,"freq_skew":0.550769,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733927,"usec":997418},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387022,"noise_level":-28.025520,"freq_skew":-1.635877,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"LO05JL","msg_num":"E22","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT07;PG1;REAL;SW030M1RV01\r\n1  METRIC UNITS\r\n2  NORMAL;NORMAL\r\n3  OFF;OFF\r\n4  ON;ON\r\n5  0;0\r\n6  11499;11498\r\n7  0;0\r\n8  8;7\r\n9  NORMAL;NORMAL\r\n10 26;26\r\n11 27;25\r\n12 86;98\r\n13 15.6;14.5\r\n14 15.6;14.6\r\n15 1."}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733927,"usec":998041},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.824005,"noise_level":-28.639454,"freq_skew":1.703129,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":869,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733928,"usec":761456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522070,"noise_level":-28.409956,"freq_skew":0.023388,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733928,"usec":764679},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.038387,"noise_level":-28.228874,"freq_skew":0.456844,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733928,"usec":766091},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.289376,"noise_level":-28.161930,"freq_skew":0.659503,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Y","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733928,"usec":775377},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591334,"noise_level":-27.856171,"freq_skew":-0.532377,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,65,77,67,0,77,34,171,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":113,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":52,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[196,46]},{"name":"atn_checksum","value":[114,37,84,35]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733929,"usec":523577},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.088412,"noise_level":-27.770752,"freq_skew":2.134941,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1485,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[111,200,141,49]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733929,"usec":523761},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566879,"noise_level":-27.770752,"freq_skew":1.323275,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[31,10,95,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733929,"usec":524599},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486272,"noise_level":-27.728357,"freq_skew":0.738773,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[217,188,227,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733929,"usec":527008},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337420,"noise_level":-27.644178,"freq_skew":-1.691522,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LO05JL","msg_num":"E22","msg_num_seq":"B","sublabel":"EI","msg_text":"06;;0.98;\r\n16 146;145\r\n17 NORMAL;NORMAL\r\n18 ;28;JUL;25;20:18:43\r\nRPT07;PG2;REAL;SW030M1RV01\r\n1  METRIC UNITS\r\n2  CLOSED;CLOSED\r\n3  CLOSED;CLOSED\r\n4  29;39\r\n5  OFF;ON\r\n6  OFF;ON\r\n7  ON;ON\r\n8  ON;ON\r\n9  ON;ON"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733929,"usec":529914},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.192407,"noise_level":-27.581577,"freq_skew":2.336418,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":276,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43329,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[170,180,242,242]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733929,"usec":530719},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.197872,"noise_level":-27.560810,"freq_skew":1.187761,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":257,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733929,"usec":532415},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.395221,"noise_level":-27.519424,"freq_skew":0.522475,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52737,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[171,88,190,240]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733929,"usec":533851},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.009937,"noise_level":-27.498806,"freq_skew":0.499521,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52738,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1485,"dst_ref":56,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[28,133,149,32]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733930,"usec":284253},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.024812,"noise_level":-27.315399,"freq_skew":2.099684,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":56,"dst_ref":1485,"variable_part_params":[{"name":"atn_checksum","value":[203,46,74,85]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733930,"usec":284545},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.524284,"noise_level":-27.315399,"freq_skew":0.707340,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18840,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[162,150,209,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733930,"usec":285005},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.038619,"noise_level":-27.320545,"freq_skew":0.496680,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733930,"usec":288720},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472529,"noise_level":-27.742180,"freq_skew":0.587500,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18842,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":57,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[114,164,170,185]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733930,"usec":291828},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659399,"noise_level":-27.616020,"freq_skew":2.160778,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733930,"usec":291938},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.430861,"noise_level":-27.595169,"freq_skew":1.548142,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":713,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[22,48,21,197]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733930,"usec":292054},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446755,"noise_level":-27.595169,"freq_skew":0.381851,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":44.700001,"lon":-3.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733930,"usec":292350},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.556366,"noise_level":-27.595169,"freq_skew":0.703032,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18840,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[162,150,209,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733931,"usec":45559},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.197367,"noise_level":-27.906792,"freq_skew":2.105749,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[7,43,211,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733931,"usec":51593},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.758813,"noise_level":-27.693577,"freq_skew":1.433066,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":869,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733931,"usec":52157},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.611012,"noise_level":-27.672541,"freq_skew":0.484760,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733931,"usec":810067},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.253943,"noise_level":-27.485470,"freq_skew":0.462443,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733931,"usec":812705},"freq":136975000,"burst_len_octets":132,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.347862,"noise_level":-27.342705,"freq_skew":0.294223,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJO","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR97JL","msg_num":"D22","msg_num_seq":"A","sublabel":"DF","msg_text":"ABS001DA_        EGBBLPFR810\r\n 40134  -73242017038981-550304026XA0/9W0180270000--\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733932,"usec":579666},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.457509,"noise_level":-26.908710,"freq_skew":-0.486886,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":114,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43357,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[153,186,76,237]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733932,"usec":579666},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.457509,"noise_level":-26.908710,"freq_skew":-0.486886,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":115,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43357,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[175,54,70,226]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5055147,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"KMM587","long_tsap":{"rdp":[65,65,77,67,0],"short_tsap":{"ars":[77,34,171],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,65,77,67,0],"short_tsap":{"ars":[77,34,171],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"LEMD","destination_airport":"LMML"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733933,"usec":331049},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.753288,"noise_level":-26.477043,"freq_skew":1.237191,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[31,10,95,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733933,"usec":332578},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.710636,"noise_level":-26.735886,"freq_skew":1.652131,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":713,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[22,48,21,197]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733933,"usec":335224},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.587869,"noise_level":-26.604836,"freq_skew":-0.228081,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733933,"usec":337901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.786613,"noise_level":-26.494061,"freq_skew":-0.424828,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733933,"usec":337992},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.932487,"noise_level":-26.475735,"freq_skew":0.698510,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733934,"usec":99448},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.036665,"noise_level":-26.330502,"freq_skew":-0.532598,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":116,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43357,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[13,90,71,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733934,"usec":99448},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.036665,"noise_level":-26.330502,"freq_skew":-0.532598,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":117,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":52,"dst_ref":43357,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[235,99,81,23]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733934,"usec":100880},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719751,"noise_level":-26.258789,"freq_skew":-0.642982,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733934,"usec":103986},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.216393,"noise_level":-26.152313,"freq_skew":-0.620668,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":118,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":53,"dst_ref":43358,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[249,48,98,167]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733934,"usec":857269},"freq":136975000,"burst_len_octets":204,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251477,"noise_level":-25.943201,"freq_skew":-1.795893,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LO05JL","msg_num":"E22","msg_num_seq":"C","sublabel":"EI","msg_text":"RPT07;PG1;REAL;SW030M1RV01\r\n1  METRIC UNITS\r\n2  NORMAL;NORMAL\r\n3  OFF;OFF\r\n4  ON;ON\r\n5  0;0\r\n6  11499;11498\r\n7  0;0\r\n8  8;7\r\n9  NORMAL;NORMAL\r\n10 26;26\r\n11 27;25\r\n12 86;98\r\n13 15.6;14.5\r\n14 15.6;14.6\r\n15 1.06;;0.98;\r\n16 146;145\r\n17 NORMAL;NORMAL\r\n18 ;28;JUL;25;20:18:43\r\nRPT07;PG2;REAL;SW030M1RV01\r\n1  METRIC UNITS\r\n2  CLOSED;CLOSED\r\n3  CLOSED;CLOSED\r\n4  29;39\r\n5  OFF;ON\r\n6  OFF;ON\r\n7  ON;ON\r\n8  ON;ON\r\n9  ON;ON\r\n10 OFF;OFF\r\n11 ON;OFF\r\n12 OFF;ON\r\n13 8.2;9.9\r\n14 0.76;0.57\r\n15 0.56;0.43\r\n16 40000\r\n17 256\r\n18 -21.0\r\n19 -52.2\r\n20 CRUISE\r\n21 24\r\n22 ;28;JUL;25;20:18:43\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733934,"usec":858204},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.944218,"noise_level":-25.908833,"freq_skew":-0.300198,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":119,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43358,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[74,2,29,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":53}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733934,"usec":859723},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575102,"noise_level":-25.840502,"freq_skew":1.851533,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"U268FY","msg_num":"F37","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLEMG,13O,68,211253,04802CD"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733934,"usec":864235},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920625,"noise_level":-26.436110,"freq_skew":-3.423392,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-2.300000},"alt":20000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733934,"usec":865903},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.177379,"noise_level":-26.711407,"freq_skew":1.065740,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":721,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[140,16,78,173]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733934,"usec":866697},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727066,"noise_level":-26.673868,"freq_skew":0.645776,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":135,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733935,"usec":618602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.313336,"noise_level":-26.599274,"freq_skew":0.563540,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733935,"usec":619079},"freq":136975000,"burst_len_octets":204,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.190614,"noise_level":-26.705318,"freq_skew":-1.847824,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LO05JL","msg_num":"E22","msg_num_seq":"C","sublabel":"EI","msg_text":"\r\n10 OFF;OFF\r\n11 ON;OFF\r\n12 OFF;ON\r\n13 8.2;9.9\r\n14 0.76;0.57\r\n15 0.56;0.43\r\n16 40000\r\n17 256\r\n18 -21.0\r\n19 -52.2\r\n20 CRUISE\r\n21 24\r\n22 ;28;JUL;25;20:18:43\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733935,"usec":619926},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792712,"noise_level":-26.667805,"freq_skew":1.571376,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":869,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733935,"usec":620758},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.255677,"noise_level":-27.328304,"freq_skew":0.545409,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33716,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[194,109,10,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733935,"usec":621214},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.457660,"noise_level":-28.167782,"freq_skew":-2.316147,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":318,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[157,118,108,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733935,"usec":624337},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.872141,"noise_level":-28.057270,"freq_skew":-0.539604,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733935,"usec":624337},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.872141,"noise_level":-28.057270,"freq_skew":-0.539604,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":120,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[47,140,71,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733935,"usec":625143},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642862,"noise_level":-28.013454,"freq_skew":0.566820,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733935,"usec":625449},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.051543,"noise_level":-28.013454,"freq_skew":-2.180633,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[12,28,28,151]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733935,"usec":626188},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914086,"noise_level":-28.897955,"freq_skew":0.421459,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33719,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[90,117,152,117]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":2,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733936,"usec":386739},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.940700,"noise_level":-28.565676,"freq_skew":1.586021,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":713,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[22,48,21,197]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733936,"usec":386962},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.365167,"noise_level":-28.542421,"freq_skew":1.754537,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733936,"usec":390276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.265174,"noise_level":-28.358591,"freq_skew":-2.057059,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733936,"usec":391584},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785301,"noise_level":-28.313232,"freq_skew":1.431607,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[31,10,95,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733936,"usec":392170},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.097838,"noise_level":-28.553635,"freq_skew":0.735321,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733936,"usec":393312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692081,"noise_level":-28.484150,"freq_skew":-0.507096,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733937,"usec":145207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.059559,"noise_level":-28.484150,"freq_skew":-1.789067,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733937,"usec":147201},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727601,"noise_level":-28.369564,"freq_skew":0.898653,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":423,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[123,165,64,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733937,"usec":149192},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679395,"noise_level":-28.880415,"freq_skew":-0.394707,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733937,"usec":154600},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.845523,"noise_level":-28.572063,"freq_skew":-0.468583,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":121,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733937,"usec":904113},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.375745,"noise_level":-28.525581,"freq_skew":-0.214463,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":680,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[224,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733937,"usec":905700},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.173120,"noise_level":-28.433359,"freq_skew":1.458846,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.600002,"lon":-4.100000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733937,"usec":906999},"freq":136975000,"burst_len_octets":132,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.166240,"noise_level":-28.364826,"freq_skew":0.434597,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJO","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR97JL","msg_num":"D22","msg_num_seq":"A","sublabel":"DF","msg_text":"ABS001DA_        EGBBLPFR810\r\n 40134  -73242017038981-550304026XA0/9W0180270000--\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733937,"usec":910289},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.883246,"noise_level":-28.262436,"freq_skew":-0.225151,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":681,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[119,249]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733937,"usec":912995},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.689649,"noise_level":-28.217579,"freq_skew":0.679686,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733938,"usec":664526},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.067577,"noise_level":-28.381531,"freq_skew":0.218549,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":44.700001,"lon":-3.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733938,"usec":665494},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468192,"noise_level":-28.313406,"freq_skew":1.230502,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"VY33KE","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733938,"usec":665494},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.468192,"noise_level":-28.313406,"freq_skew":1.230502,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733938,"usec":668153},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.316174,"noise_level":-28.178734,"freq_skew":0.448312,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733938,"usec":669137},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700137,"noise_level":-28.156490,"freq_skew":0.642983,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733938,"usec":669472},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.753698,"noise_level":-28.398226,"freq_skew":0.470024,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJO","mode":"2","label":"_d","blk_id":"Z","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733939,"usec":430717},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224042,"noise_level":-28.084183,"freq_skew":2.047182,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-8.400001},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733939,"usec":436757},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.097090,"noise_level":-28.265427,"freq_skew":-0.379034,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733939,"usec":439599},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716393,"noise_level":-28.109369,"freq_skew":0.642173,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18858,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":57,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[59,138,41,84]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":18,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECM,/ATC UNIT MADRID,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733939,"usec":440428},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.693359,"noise_level":-28.087301,"freq_skew":0.456963,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733939,"usec":440691},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.779880,"noise_level":-28.065290,"freq_skew":0.731819,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733940,"usec":198337},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.745125,"noise_level":-27.720499,"freq_skew":-1.493313,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":750,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[152,226,6,35]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733940,"usec":198448},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439005,"noise_level":-27.720499,"freq_skew":0.464118,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":135,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733940,"usec":200443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.744791,"noise_level":-28.553923,"freq_skew":2.040370,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733940,"usec":952141},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.967812,"noise_level":-28.347111,"freq_skew":-0.959490,"avlc":{"src":{"addr":"4952C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":564,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1525,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[219,55,214,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733940,"usec":954525},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.819096,"noise_level":-28.211920,"freq_skew":1.315096,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[31,10,95,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733940,"usec":957522},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690593,"noise_level":-28.100849,"freq_skew":-2.289193,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[12,28,28,151]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733940,"usec":958383},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.580904,"noise_level":-28.656399,"freq_skew":0.684287,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733940,"usec":959229},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758841,"noise_level":-28.632900,"freq_skew":2.153032,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[92,247,6,139]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733941,"usec":723463},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.446057,"noise_level":-28.287838,"freq_skew":-0.219190,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":729,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733941,"usec":723769},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.081826,"noise_level":-28.287838,"freq_skew":0.697925,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733941,"usec":723869},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.207380,"noise_level":-28.287838,"freq_skew":1.521620,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733941,"usec":725940},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.051585,"noise_level":-29.092159,"freq_skew":0.463525,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733941,"usec":726791},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.244470,"noise_level":-29.042816,"freq_skew":0.575126,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733941,"usec":727898},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372952,"noise_level":-28.969326,"freq_skew":1.369909,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"VY33KE","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733941,"usec":727898},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.372952,"noise_level":-28.969326,"freq_skew":1.369909,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733942,"usec":478885},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.224061,"noise_level":-28.728752,"freq_skew":0.565634,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733942,"usec":480707},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.817449,"noise_level":-28.610916,"freq_skew":2.618927,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVD","mode":"2","label":"_d","blk_id":"3","ack":"V","flight":"EC59FM","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733942,"usec":485401},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.057916,"noise_level":-28.402763,"freq_skew":0.566111,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733943,"usec":232295},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831839,"noise_level":-28.368980,"freq_skew":2.307910,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2482,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[222,66]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733943,"usec":235080},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.818539,"noise_level":-28.211069,"freq_skew":2.513766,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVD","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EC59FM","msg_num":"F29","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPT,02O,80,212001BCEB"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733943,"usec":245268},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.983631,"noise_level":-27.860556,"freq_skew":-3.370210,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-2.300000},"alt":20000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733944,"usec":538},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584640,"noise_level":-28.415262,"freq_skew":0.526863,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733944,"usec":2367},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.674060,"noise_level":-28.324196,"freq_skew":0.595583,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733944,"usec":6364},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.305237,"noise_level":-28.796352,"freq_skew":-3.185179,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"IB0657","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733944,"usec":6364},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.305237,"noise_level":-28.796352,"freq_skew":-3.185179,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15011516","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,19,78,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733944,"usec":767912},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.269822,"noise_level":-28.514040,"freq_skew":2.416708,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733944,"usec":768423},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.006871,"noise_level":-28.490923,"freq_skew":0.630026,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733944,"usec":773838},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764883,"noise_level":-28.800419,"freq_skew":1.364952,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733944,"usec":774758},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.159309,"noise_level":-28.728943,"freq_skew":-3.469136,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733945,"usec":523331},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.129070,"noise_level":-28.402946,"freq_skew":-0.327953,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733945,"usec":524508},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793205,"noise_level":-28.336811,"freq_skew":0.679610,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11989A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[181,130,228,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733946,"usec":294765},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.337347,"noise_level":-27.618847,"freq_skew":0.459310,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733946,"usec":296072},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.632239,"noise_level":-28.354893,"freq_skew":-0.327126,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733946,"usec":296585},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.918221,"noise_level":-28.332195,"freq_skew":2.269024,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-8.400001},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":47036},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.589563,"noise_level":-28.309555,"freq_skew":1.898832,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":41.000000,"lon":-4.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":48309},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.116016,"noise_level":-29.173363,"freq_skew":-0.168062,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":48653},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411572,"noise_level":-29.652805,"freq_skew":0.540984,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFRS"},{"name":"ac_location","value":{"loc":{"lat":44.700001,"lon":-3.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":48653},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.411572,"noise_level":-29.652805,"freq_skew":0.540984,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":290,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":48973},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.811178,"noise_level":-29.626455,"freq_skew":0.543252,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":49965},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.082437,"noise_level":-29.573994,"freq_skew":-0.329819,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":900,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[89,78,168,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":50139},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.202930,"noise_level":-29.990730,"freq_skew":-0.219362,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":900,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":51271},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.000564,"noise_level":-29.963337,"freq_skew":0.912704,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":547,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[232,245,0,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":52529},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.101621,"noise_level":-29.908806,"freq_skew":1.718136,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"U268FY","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":52529},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.101621,"noise_level":-29.908806,"freq_skew":1.718136,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20065621","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,107,145,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":53909},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432447,"noise_level":-30.589855,"freq_skew":1.128600,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":55514},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.510153,"noise_level":-30.473057,"freq_skew":0.506734,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20065621","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":806738},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.571997,"noise_level":-30.386475,"freq_skew":-0.125728,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":806929},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.019508,"noise_level":-30.469326,"freq_skew":0.014413,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-3.900000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":808474},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583329,"noise_level":-30.382784,"freq_skew":0.221869,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVI","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EC49VX","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":808474},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.583329,"noise_level":-30.382784,"freq_skew":0.221869,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000200","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,128,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":808934},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.415557,"noise_level":-30.354126,"freq_skew":0.513421,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":813445},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.813885,"noise_level":-30.661335,"freq_skew":-0.119798,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":816299},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.084547,"noise_level":-30.543577,"freq_skew":-0.399700,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":901,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[14,163,154,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733947,"usec":816780},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.948484,"noise_level":-30.514385,"freq_skew":1.779346,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733948,"usec":573110},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.649166,"noise_level":-31.081432,"freq_skew":-0.270944,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"2F","blk_id":"3","ack":"!","flight":"AF1358","msg_num":"M27","msg_num_seq":"A","msg_text":"2017+4138-252/3746"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733948,"usec":577421},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.212567,"noise_level":-30.805870,"freq_skew":-0.138189,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733949,"usec":335435},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364752,"noise_level":-30.279659,"freq_skew":0.304276,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733949,"usec":335950},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.061590,"noise_level":-30.223112,"freq_skew":0.702807,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":49,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1534,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,85,244,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733949,"usec":337985},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676538,"noise_level":-30.111111,"freq_skew":2.346242,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":339,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[52,103,217,227]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733949,"usec":340358},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480035,"noise_level":-30.000536,"freq_skew":-0.249227,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733949,"usec":340358},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.480035,"noise_level":-30.000536,"freq_skew":-0.249227,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733949,"usec":343472},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775235,"noise_level":-29.837267,"freq_skew":0.364026,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":290,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733949,"usec":343858},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.621932,"noise_level":-29.810352,"freq_skew":0.654571,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":62077,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733949,"usec":345046},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.829193,"noise_level":-29.756771,"freq_skew":-0.952703,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":741,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733950,"usec":102371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755852,"noise_level":-29.493710,"freq_skew":0.468640,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733950,"usec":107207},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.858110,"noise_level":-29.188204,"freq_skew":0.538700,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733950,"usec":107429},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367396,"noise_level":-29.163225,"freq_skew":0.522043,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":547,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[232,245,0,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733950,"usec":854944},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.874451,"noise_level":-28.965927,"freq_skew":-0.132975,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733951,"usec":631480},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.717411,"noise_level":-27.910980,"freq_skew":0.372566,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11989A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733952,"usec":387978},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.034718,"noise_level":-27.867897,"freq_skew":1.752727,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":837,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30445,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[87,176,189,148]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733952,"usec":387978},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.034718,"noise_level":-27.867897,"freq_skew":1.752727,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733952,"usec":390929},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679321,"noise_level":-27.697662,"freq_skew":2.522808,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":339,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[52,103,217,227]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733952,"usec":391118},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.377465,"noise_level":-27.697662,"freq_skew":-0.275156,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":900,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733953,"usec":150722},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.355758,"noise_level":-26.893215,"freq_skew":-1.431481,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43314,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[136,24,145,250]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733953,"usec":153574},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.971983,"noise_level":-26.835781,"freq_skew":-0.062825,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"44","blk_id":"3","ack":"!","flight":"TP0687","msg_num":"M47","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733953,"usec":904123},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.189720,"noise_level":-26.703226,"freq_skew":-2.165905,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"X90318","msg_num":"M27","msg_num_seq":"A","msg_text":"201912,36959,2134,   6,N 40.727 W  1.374"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733953,"usec":905783},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.344981,"noise_level":-26.665724,"freq_skew":0.512900,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18875,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[87,193,119,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733953,"usec":907570},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.996528,"noise_level":-27.068794,"freq_skew":0.827769,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":547,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[232,245,0,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733953,"usec":908159},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.497132,"noise_level":-27.029682,"freq_skew":-1.973779,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[148,95,202,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733953,"usec":910218},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.243702,"noise_level":-26.951981,"freq_skew":0.629059,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733954,"usec":676426},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.341455,"noise_level":-26.712496,"freq_skew":0.676259,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733954,"usec":676961},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.442505,"noise_level":-26.693705,"freq_skew":0.725475,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733955,"usec":422055},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939232,"noise_level":-26.939884,"freq_skew":-0.211125,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":682,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[32,127]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":19,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733955,"usec":423786},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438486,"noise_level":-26.843861,"freq_skew":-0.024153,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-3.900000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733955,"usec":426921},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.506273,"noise_level":-26.692394,"freq_skew":0.554266,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52760,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733955,"usec":427577},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.105778,"noise_level":-26.673645,"freq_skew":2.162120,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-8.400001},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733955,"usec":427708},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.185609,"noise_level":-26.673645,"freq_skew":-0.089681,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"DS34XD","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733955,"usec":427708},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.185609,"noise_level":-26.673645,"freq_skew":-0.089681,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,101,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733955,"usec":428061},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477229,"noise_level":-26.654938,"freq_skew":0.015969,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733956,"usec":188045},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.112414,"noise_level":-26.806145,"freq_skew":-0.212756,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733956,"usec":197271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.761313,"noise_level":-27.326595,"freq_skew":0.005327,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733956,"usec":197843},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.223111,"noise_level":-28.295744,"freq_skew":0.456840,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733956,"usec":955279},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.252244,"noise_level":-28.295744,"freq_skew":-0.204108,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733956,"usec":959366},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.243297,"noise_level":-28.072887,"freq_skew":-0.251935,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPO"},{"name":"ac_location","value":{"loc":{"lat":43.400002,"lon":-1.800000},"alt":31000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733956,"usec":965725},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.671516,"noise_level":-27.855606,"freq_skew":-0.129779,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":683,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[213,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733956,"usec":967516},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.734006,"noise_level":-27.770193,"freq_skew":1.079021,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":780,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[60,32,69,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733957,"usec":717315},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.186252,"noise_level":-27.822273,"freq_skew":-0.159163,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNY","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"TP0442","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733957,"usec":718123},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458738,"noise_level":-27.779625,"freq_skew":-0.309191,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250731","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,217,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733957,"usec":720431},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.003535,"noise_level":-27.788586,"freq_skew":-0.209489,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":900,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733958,"usec":476160},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.653430,"noise_level":-27.935158,"freq_skew":-0.381079,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733958,"usec":478622},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.994727,"noise_level":-27.806183,"freq_skew":-0.503909,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733958,"usec":487043},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.190333,"noise_level":-27.450825,"freq_skew":-0.141409,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733958,"usec":487167},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805230,"noise_level":-27.450825,"freq_skew":1.879192,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"VY04LJ","msg_num":"M03","msg_num_seq":"A","msg_text":"/LEBB.TI2/040LEBBA176E"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733959,"usec":241094},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.888254,"noise_level":-27.248386,"freq_skew":1.060328,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1413,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30747,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[79,64]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733959,"usec":245063},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.098603,"noise_level":-27.539501,"freq_skew":0.649507,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733959,"usec":250505},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.120318,"noise_level":-27.436653,"freq_skew":0.666173,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733960,"usec":5391},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891473,"noise_level":-27.234543,"freq_skew":0.445799,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-LVS","mode":"2","label":"A9","blk_id":"L","ack":"3","msg_text":"/MADAAYA.TI2/LEBB INFO T TIME 2010\r\nEXPECT ILS Z APCH\r\nRWY IN USE 30\r\nRWY 30 AT TIME 0428 RWYCC 5 5 5. WET\r\nWET WET.\r\nTRL FL070\r\nWIND 330 DEG 5 KT VRB BTN 290 AND 010\r\nDEG .\r\nVIS 10 KM OR MORE CLD SCT 2500 FT BKN\r\n4000 F"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733960,"usec":6160},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.780650,"noise_level":-27.194675,"freq_skew":0.847822,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2797,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[117,86,55,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733960,"usec":10797},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.468453,"noise_level":-27.095812,"freq_skew":0.446198,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33514,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[97,224,195,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733960,"usec":14016},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.810965,"noise_level":-27.569351,"freq_skew":-0.053983,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733960,"usec":762931},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.125568,"noise_level":-27.548611,"freq_skew":0.694893,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2798,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[177,41,178,6]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733960,"usec":764924},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690170,"noise_level":-27.445658,"freq_skew":-0.252279,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733960,"usec":765135},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557710,"noise_level":-27.425213,"freq_skew":0.721655,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733961,"usec":535869},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.255793,"noise_level":-26.607269,"freq_skew":1.705551,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,74,57,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733962,"usec":295243},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.186033,"noise_level":-27.280525,"freq_skew":0.674355,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733962,"usec":296529},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914689,"noise_level":-27.275738,"freq_skew":0.491368,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-LVS","mode":"2","label":"A9","blk_id":"L","ack":"3","msg_text":"/MADAAYA.TI2/LEBB INFO T TIME 2010\r\nEXPECT ILS Z APCH\r\nRWY IN USE 30\r\nRWY 30 AT TIME 0428 RWYCC 5 5 5. WET\r\nWET WET.\r\nTRL FL070\r\nWIND 330 DEG 5 KT VRB BTN 290 AND 010\r\nDEG .\r\nVIS 10 KM OR MORE CLD SCT 2500 FT BKN\r\n4000 F"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733963,"usec":47972},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.881521,"noise_level":-27.096935,"freq_skew":-0.311136,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733963,"usec":48961},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.895374,"noise_level":-27.057695,"freq_skew":1.811605,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"4","ack":"L","flight":"VY04LJ","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733963,"usec":53523},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.941013,"noise_level":-27.526377,"freq_skew":2.336259,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-8.400001},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733963,"usec":810633},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635520,"noise_level":-27.362644,"freq_skew":0.017211,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"LEST"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["1192CA","119A6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733963,"usec":811296},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.180717,"noise_level":-27.322189,"freq_skew":0.537086,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733963,"usec":812467},"freq":136975000,"burst_len_octets":135,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.766835,"noise_level":-27.261858,"freq_skew":0.428132,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"A9","blk_id":"M","ack":"!","msg_text":"/MADAAYA.TI2/LEBB INFO T TIME 2010\r\nEXPECT ILS Z APCH\r\nRWY IN USE 30\r\nRWY 30 AT TIME 0428 RWYCC 5 5 5. WET\r\nWET WET.\r\nTRL FL070\r\nWIND 330 DEG 5 KT VRB BTN 290 AND 010\r\nDEG .\r\nVIS 10 KM OR MORE CLD SCT 2500 FT BKN\r\n4000 FT\r\nT21 DP17\r\nQNH 1025HPA\r\nNOSIG\r\nGROUND AND TOWER FREQUENCY ON 118\r\nDECIMAL 5\r\nCONFIRM ATIS T\r\n0453\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733963,"usec":821693},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.186558,"noise_level":-27.005159,"freq_skew":-1.958846,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733963,"usec":824387},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.536274,"noise_level":-26.946983,"freq_skew":0.738749,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18887,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[16,12,120,122]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":19,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LECB"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733964,"usec":574965},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.302645,"noise_level":-27.270042,"freq_skew":0.511543,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52770,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[86,145,206,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733964,"usec":579634},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.096755,"noise_level":-27.635674,"freq_skew":-0.416474,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":116,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[36,43,60,223]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43188,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[222,19,5,165]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":19,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733964,"usec":580113},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.665982,"noise_level":-27.593933,"freq_skew":2.107034,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":601,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[209,104,252,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733965,"usec":332794},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.384306,"noise_level":-27.347595,"freq_skew":0.708537,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18890,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[199,193,211,48]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733965,"usec":338564},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.195314,"noise_level":-27.147522,"freq_skew":0.598961,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733966,"usec":92970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.360156,"noise_level":-27.128813,"freq_skew":-0.582362,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733966,"usec":101153},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.253074,"noise_level":-26.780636,"freq_skew":-2.172468,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"IB0591","msg_num":"D22","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,175908,1,1,TB000000/REP033,00,00,1/POSDMU,201914, 42.879,-  2.365,  4772,340\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733966,"usec":103154},"freq":136975000,"burst_len_octets":135,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.817045,"noise_level":-27.317648,"freq_skew":0.468993,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"A9","blk_id":"M","ack":"!","msg_text":"T\r\nT21 DP17\r\nQNH 1025HPA\r\nNOSIG\r\nGROUND AND TOWER FREQUENCY ON 118\r\nDECIMAL 5\r\nCONFIRM ATIS T\r\n0453\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733966,"usec":103758},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700296,"noise_level":-27.297501,"freq_skew":0.657184,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52772,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,171,4,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733966,"usec":860214},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.684118,"noise_level":-27.137989,"freq_skew":0.473372,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":652,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[147,148,181,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733966,"usec":860543},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.179747,"noise_level":-27.118254,"freq_skew":2.184048,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"5","ack":"M","flight":"VY04LJ","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733966,"usec":860725},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518222,"noise_level":-27.118254,"freq_skew":-2.588948,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-ILR","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"I218LM","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733966,"usec":863041},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.130494,"noise_level":-27.209932,"freq_skew":0.640998,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733967,"usec":620107},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.167476,"noise_level":-26.896900,"freq_skew":0.607628,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733967,"usec":620746},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.076348,"noise_level":-26.960587,"freq_skew":0.669188,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733967,"usec":624546},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.397525,"noise_level":-26.807091,"freq_skew":0.620792,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"Z","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733967,"usec":627666},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.292497,"noise_level":-26.731350,"freq_skew":0.618616,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18890,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[199,193,211,48]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733967,"usec":627889},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500605,"noise_level":-26.731350,"freq_skew":1.865789,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":602,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[130,240,40,108]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733968,"usec":378541},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727879,"noise_level":-27.056969,"freq_skew":-0.224164,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733968,"usec":384008},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.253253,"noise_level":-26.806166,"freq_skew":1.012450,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6534,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733968,"usec":385572},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500468,"noise_level":-26.787170,"freq_skew":0.500458,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733968,"usec":388834},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.325197,"noise_level":-26.655352,"freq_skew":-0.362751,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733969,"usec":909026},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.995979,"noise_level":-26.236887,"freq_skew":-2.668096,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-ILR","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"I218LM","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733970,"usec":664581},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.347359,"noise_level":-26.008387,"freq_skew":1.204739,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2020,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[175,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733970,"usec":665157},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.479946,"noise_level":-25.991058,"freq_skew":0.444003,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"Z","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733970,"usec":669611},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686728,"noise_level":-26.240734,"freq_skew":-0.417718,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":684,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30757,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[58,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733970,"usec":669883},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083828,"noise_level":-26.240734,"freq_skew":0.982815,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2021,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43317,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[17,17]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":19,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733971,"usec":436089},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.220759,"noise_level":-26.581551,"freq_skew":-2.066839,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733971,"usec":439424},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.463957,"noise_level":-26.471069,"freq_skew":2.404620,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":340,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":3,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[248,114,250,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733971,"usec":444624},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737192,"noise_level":-26.272102,"freq_skew":-2.072520,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":320,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[151,155,37,26]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733972,"usec":194280},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.033563,"noise_level":-26.147816,"freq_skew":2.835662,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4094,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733972,"usec":198572},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.129399,"noise_level":-25.956038,"freq_skew":0.975317,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":72,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[60,198,23,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733972,"usec":199495},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925761,"noise_level":-25.956038,"freq_skew":0.673071,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733972,"usec":200555},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.738182,"noise_level":-26.487295,"freq_skew":0.194405,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"dst_airport","value":"LEST"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["1192CA","119A6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733972,"usec":201117},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.167212,"noise_level":-26.487295,"freq_skew":1.179145,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733972,"usec":202117},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879588,"noise_level":-27.516453,"freq_skew":-2.256770,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":582,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733972,"usec":956230},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.224249,"noise_level":-27.212286,"freq_skew":0.569780,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733972,"usec":961855},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.680884,"noise_level":-27.054319,"freq_skew":1.080347,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2022,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":9,"dst_ref":1585,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[14,30]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733972,"usec":962865},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.191451,"noise_level":-27.015270,"freq_skew":0.283172,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124010","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,8,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733972,"usec":963602},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.449837,"noise_level":-26.976398,"freq_skew":1.074895,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733973,"usec":714044},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.027103,"noise_level":-26.859720,"freq_skew":0.349566,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKI","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR0706","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733973,"usec":718615},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.623510,"noise_level":-26.651754,"freq_skew":0.549862,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33534,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[170,43,57,201]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733973,"usec":722620},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.112329,"noise_level":-26.998737,"freq_skew":0.460722,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[88,221,40,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733974,"usec":479441},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.576153,"noise_level":-26.921312,"freq_skew":-0.283319,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"_d","blk_id":"0","ack":"G","flight":"SK4680","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733974,"usec":480862},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713028,"noise_level":-26.863691,"freq_skew":2.462064,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":340,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":3,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[248,114,250,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733974,"usec":483665},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.892281,"noise_level":-27.027500,"freq_skew":0.022494,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733974,"usec":484968},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251303,"noise_level":-26.988573,"freq_skew":2.338318,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-8.400001},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733974,"usec":487675},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.419601,"noise_level":-26.911238,"freq_skew":0.728046,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733974,"usec":489191},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831948,"noise_level":-26.834585,"freq_skew":-0.068409,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"SK4680","msg_num":"F39","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,115/TS201933,280725441E"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733975,"usec":240447},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.815249,"noise_level":-26.758604,"freq_skew":-0.282681,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":685,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733975,"usec":241492},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.069795,"noise_level":-27.339798,"freq_skew":1.085560,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733976,"usec":4866},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.362320,"noise_level":-26.696882,"freq_skew":0.185093,"avlc":{"src":{"addr":"4CA808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733976,"usec":6250},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.837147,"noise_level":-26.640730,"freq_skew":1.765418,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":592,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[67,104,232,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733976,"usec":761020},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.297875,"noise_level":-26.383371,"freq_skew":0.028525,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733976,"usec":763655},"freq":136975000,"burst_len_octets":130,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.230451,"noise_level":-26.981089,"freq_skew":-0.097351,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"SK4680","msg_num":"F40","msg_num_seq":"A","sublabel":"M1","msg_text":"PER/PR1585,294,360,211,,0,7,,M54,130,,,P19,M29,44260,,1373,313/TS201934,280725300D"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733976,"usec":764866},"freq":136975000,"burst_len_octets":179,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.192892,"noise_level":-27.650957,"freq_skew":-2.527101,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":41.000000,"lon":-2.800000},"alt":18000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733976,"usec":764866},"freq":136975000,"burst_len_octets":179,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.192892,"noise_level":-27.650957,"freq_skew":-2.527101,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-ILR","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"I218LM","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733976,"usec":764866},"freq":136975000,"burst_len_octets":179,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.192892,"noise_level":-27.650957,"freq_skew":-2.527101,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,83,0,52,32,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733977,"usec":526631},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718235,"noise_level":-28.018333,"freq_skew":0.652794,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733977,"usec":527115},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781775,"noise_level":-27.996498,"freq_skew":2.296848,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":341,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733977,"usec":528299},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219471,"noise_level":-28.359272,"freq_skew":0.634129,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[88,221,40,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733977,"usec":532173},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659342,"noise_level":-28.179234,"freq_skew":2.739884,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733977,"usec":536119},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298580,"noise_level":-28.024702,"freq_skew":-2.529808,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733977,"usec":536742},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.513084,"noise_level":-28.002851,"freq_skew":-0.205313,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733977,"usec":537621},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.467369,"noise_level":-28.931023,"freq_skew":-0.141466,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733978,"usec":284744},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.189349,"noise_level":-28.762661,"freq_skew":-1.187611,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[38,161,55,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733978,"usec":286096},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.436105,"noise_level":-28.667898,"freq_skew":0.693916,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733978,"usec":289742},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722914,"noise_level":-28.504513,"freq_skew":-0.163991,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPO"},{"name":"ac_location","value":{"loc":{"lat":43.500000,"lon":-1.800000},"alt":31000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733979,"usec":48088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499854,"noise_level":-28.231375,"freq_skew":-2.539906,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733979,"usec":52819},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719212,"noise_level":-27.966566,"freq_skew":-0.759748,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":135,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733979,"usec":55843},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.999381,"noise_level":-27.880060,"freq_skew":-0.268795,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":752,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[95,111,71,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733979,"usec":58020},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692323,"noise_level":-28.041573,"freq_skew":-3.227768,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":18,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733979,"usec":812834},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961923,"noise_level":-27.761150,"freq_skew":1.349068,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":753,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733979,"usec":813712},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.471903,"noise_level":-28.256126,"freq_skew":0.486527,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733980,"usec":571534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.110411,"noise_level":-27.817940,"freq_skew":0.651013,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733980,"usec":573073},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946645,"noise_level":-27.732895,"freq_skew":2.135003,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":610,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1561,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[203,6,234,95]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733980,"usec":577529},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.029105,"noise_level":-27.565262,"freq_skew":1.633419,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":627,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[145,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733981,"usec":328106},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299535,"noise_level":-27.421192,"freq_skew":-3.333405,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733981,"usec":329984},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.876658,"noise_level":-27.319727,"freq_skew":-3.158228,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"5","ack":"W","flight":"IB0657","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733981,"usec":335823},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.197857,"noise_level":-27.061338,"freq_skew":-0.139495,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733981,"usec":336399},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905471,"noise_level":-27.041777,"freq_skew":1.684797,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":628,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43272,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[239,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":19,"sec":39}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733982,"usec":102849},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.830721,"noise_level":-26.585052,"freq_skew":-3.301805,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"IB0657","msg_num":"F08","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733982,"usec":858083},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.747969,"noise_level":-26.627378,"freq_skew":0.570716,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":62994,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733982,"usec":861187},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.151523,"noise_level":-26.745354,"freq_skew":-3.465775,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"IB0657","msg_num":"F09","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN41001W002145,MD047,201939,216,N41149W000314,202940,SEROX,M16,30328,188/TS201939,0728258F2C"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733983,"usec":615389},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499704,"noise_level":-26.614161,"freq_skew":1.053411,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733983,"usec":617397},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.105203,"noise_level":-27.352764,"freq_skew":-0.476615,"avlc":{"src":{"addr":"34250A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733983,"usec":620498},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.502738,"noise_level":-27.192245,"freq_skew":1.089351,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DPF","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR03NM","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733983,"usec":621048},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551712,"noise_level":-27.192245,"freq_skew":-0.293951,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733983,"usec":622456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.174720,"noise_level":-27.762175,"freq_skew":1.394091,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733984,"usec":385707},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630759,"noise_level":-27.469940,"freq_skew":1.237850,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23122352","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,164,234,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733984,"usec":386879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.112935,"noise_level":-27.662567,"freq_skew":0.653715,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733984,"usec":389888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.126266,"noise_level":-27.558262,"freq_skew":-3.150964,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733984,"usec":391723},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891317,"noise_level":-27.455194,"freq_skew":2.035577,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWL","mode":"2","label":"5U","blk_id":"3","ack":"!","flight":"U229WD","msg_num":"M67","msg_num_seq":"A","msg_text":"  LTN-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733984,"usec":392386},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.812790,"noise_level":-27.708788,"freq_skew":-1.446058,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733984,"usec":395062},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456467,"noise_level":-27.645720,"freq_skew":2.538028,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733985,"usec":901711},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.953607,"noise_level":-27.058578,"freq_skew":1.073563,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733985,"usec":906584},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.881382,"noise_level":-26.807730,"freq_skew":1.889854,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWL","mode":"2","label":"_d","blk_id":"4","ack":"T","flight":"U229WD","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733986,"usec":668517},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.007241,"noise_level":-26.563927,"freq_skew":2.224468,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-8.400001},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733986,"usec":676878},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814739,"noise_level":-26.237263,"freq_skew":-0.472546,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPO"},{"name":"ac_location","value":{"loc":{"lat":43.500000,"lon":-1.800000},"alt":31000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733987,"usec":434466},"freq":136975000,"burst_len_octets":58,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.636732,"noise_level":-25.939636,"freq_skew":-3.405737,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"3B","blk_id":"8","ack":"!","flight":"IB0657","msg_num":"M11","msg_num_seq":"A","msg_text":"IB0719.28.LEMD"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733987,"usec":443164},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.513631,"noise_level":-26.107157,"freq_skew":-0.443576,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733988,"usec":190952},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987840,"noise_level":-26.595707,"freq_skew":1.640338,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733988,"usec":200708},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.485314,"noise_level":-26.214413,"freq_skew":0.561087,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11989A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733988,"usec":962867},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.198064,"noise_level":-25.747559,"freq_skew":-3.274175,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733990,"usec":472006},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643388,"noise_level":-25.256660,"freq_skew":0.666979,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18925,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":73,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[250,174,135,148]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":19,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LPPC"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733990,"usec":477098},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.942344,"noise_level":-25.099007,"freq_skew":-0.318016,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":753,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[180,60,121,50]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43236,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[20,7,151,115]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":19,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733990,"usec":479713},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.945548,"noise_level":-25.036736,"freq_skew":1.530319,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733990,"usec":480061},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471509,"noise_level":-25.021238,"freq_skew":1.602656,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":311,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60999,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[42,40,149,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733990,"usec":482137},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.430466,"noise_level":-24.959524,"freq_skew":0.621179,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18927,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[199,8,69,196]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733991,"usec":244054},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.960092,"noise_level":-24.729210,"freq_skew":0.639195,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52804,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":1587,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[254,232,190,94]},{"name":"checksum","value":[207,89]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25430019,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733991,"usec":246688},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228503,"noise_level":-25.390877,"freq_skew":-0.114043,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733991,"usec":998957},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.050174,"noise_level":-25.278509,"freq_skew":1.602053,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733992,"usec":1484},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.000210,"noise_level":-25.183334,"freq_skew":-0.344583,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":754,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":74,"dst_ref":1587,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[175,159,94,74]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733992,"usec":766544},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.379967,"noise_level":-25.845959,"freq_skew":0.587916,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52806,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[64,41,102,151]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733993,"usec":521969},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.222714,"noise_level":-25.365723,"freq_skew":-0.040526,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733993,"usec":525594},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757539,"noise_level":-25.986252,"freq_skew":2.473552,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2483,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733994,"usec":285399},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.116727,"noise_level":-26.671894,"freq_skew":1.533514,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":629,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43272,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[5,156]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":19,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733994,"usec":292695},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.697828,"noise_level":-26.359268,"freq_skew":-0.136512,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPO"},{"name":"ac_location","value":{"loc":{"lat":43.500000,"lon":-1.800000},"alt":31000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733995,"usec":53653},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.809132,"noise_level":-26.109999,"freq_skew":-0.371411,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNY","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"TP0442","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733995,"usec":53653},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.809132,"noise_level":-26.109999,"freq_skew":-0.371411,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250731","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,217,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733995,"usec":54319},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.092948,"noise_level":-26.092464,"freq_skew":1.421599,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":714,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733995,"usec":812637},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.899183,"noise_level":-25.532845,"freq_skew":1.729237,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733995,"usec":812754},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783646,"noise_level":-25.516436,"freq_skew":-0.458387,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733996,"usec":573396},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.144080,"noise_level":-25.289921,"freq_skew":1.508444,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":630,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733997,"usec":337058},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.514500,"noise_level":-24.945492,"freq_skew":-0.489893,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733997,"usec":338056},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.053018,"noise_level":-24.914846,"freq_skew":0.778140,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":548,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[232,185,68,20]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733998,"usec":97615},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700349,"noise_level":-24.323614,"freq_skew":0.634124,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18937,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[51,188,179,212]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":19,"sec":57}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"LISBOA","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":127.255000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733998,"usec":862054},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.697553,"noise_level":-24.070145,"freq_skew":2.117523,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":603,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43253,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[245,144,35,92]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43253,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[230,103,69,41]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":19,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733998,"usec":868246},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.270786,"noise_level":-23.877993,"freq_skew":0.607501,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18938,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[94,209,110,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753733999,"usec":631200},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640817,"noise_level":-23.505991,"freq_skew":1.093685,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":781,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[240,167,171,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734000,"usec":382090},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.243804,"noise_level":-23.454124,"freq_skew":2.131574,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734000,"usec":382819},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683547,"noise_level":-23.428307,"freq_skew":-0.078612,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNY","mode":"2","label":"5Y","blk_id":"5","ack":"!","flight":"TP0442","msg_num":"M74","msg_num_seq":"A","msg_text":"---2121  59N 433451,W  14716,31979,  461125,MS43,304, 34,286,201954,13200"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734000,"usec":384311},"freq":136975000,"burst_len_octets":58,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.896799,"noise_level":-23.447628,"freq_skew":-3.481912,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"3B","blk_id":"9","ack":"!","flight":"IB0657","msg_num":"M12","msg_num_seq":"A","msg_text":"IB0720.28.EGLL"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734001,"usec":147240},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.262191,"noise_level":-23.019152,"freq_skew":-1.362401,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43314,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[191,199,109,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734001,"usec":914318},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.364401,"noise_level":-22.622564,"freq_skew":2.490382,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734002,"usec":667141},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.345600,"noise_level":-22.610825,"freq_skew":1.371572,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[160,125]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734002,"usec":669366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.252041,"noise_level":-22.674429,"freq_skew":-3.472911,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734002,"usec":677119},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439725,"noise_level":-22.545395,"freq_skew":-0.368668,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNY","mode":"2","label":"5Y","blk_id":"5","ack":"!","flight":"TP0442","msg_num":"M74","msg_num_seq":"A","msg_text":"---2121  59N 433451,W  14716,31979,  461125,MS43,304, 34,286,201954,13200"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734002,"usec":679872},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.862624,"noise_level":-22.522141,"freq_skew":0.927607,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":781,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[240,167,171,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734002,"usec":680860},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.441359,"noise_level":-22.498947,"freq_skew":1.499799,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43269,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[99,107]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734003,"usec":427273},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.591644,"noise_level":-22.487371,"freq_skew":2.170362,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":604,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43253,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[185,23,153,146]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734003,"usec":428103},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756097,"noise_level":-23.550034,"freq_skew":0.827249,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVM","mode":"2","label":"5Y","blk_id":"6","ack":"!","flight":"TP0885","msg_num":"M64","msg_num_seq":"A","msg_text":"---2140  44N 405400,W   4033,36986,  409250,MS50,278, 47,251,202000,9720"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734003,"usec":431763},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.498239,"noise_level":-23.471956,"freq_skew":2.018504,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":605,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1570,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[140,187,143,202]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734003,"usec":433910},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.132902,"noise_level":-23.394577,"freq_skew":-2.446759,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734003,"usec":435181},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.253415,"noise_level":-23.343370,"freq_skew":0.476153,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18944,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[179,158,160,104]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734003,"usec":436306},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.364602,"noise_level":-23.305161,"freq_skew":0.487449,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18945,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43253,"dst_ref":66,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[96,34,253,167]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":187077},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.442927,"noise_level":-23.761379,"freq_skew":0.699919,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52821,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[171,94,1,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":187706},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.595409,"noise_level":-23.734634,"freq_skew":0.475901,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52822,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":67,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[143,83,244,6]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":188305},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.495235,"noise_level":-24.213009,"freq_skew":2.101000,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":606,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":66,"dst_ref":43253,"variable_part_params":[{"name":"atn_checksum","value":[147,93,90,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":189562},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.062128,"noise_level":-25.135658,"freq_skew":2.160910,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":193316},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.193826,"noise_level":-25.104336,"freq_skew":0.590555,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52821,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[171,94,1,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":193520},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658541,"noise_level":-25.104336,"freq_skew":-0.423398,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":196067},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.589435,"noise_level":-24.980165,"freq_skew":2.167984,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":607,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[254,178,62,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":956369},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.439481,"noise_level":-24.827406,"freq_skew":1.458028,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":956525},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.902778,"noise_level":-25.595762,"freq_skew":0.473613,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52824,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":956786},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594732,"noise_level":-25.579235,"freq_skew":0.800939,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":957106},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569898,"noise_level":-25.562742,"freq_skew":0.564081,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52825,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":67,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[84,198,111,62]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LPPC,LISBOA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":963490},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.842518,"noise_level":-25.415672,"freq_skew":1.481184,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734004,"usec":965778},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.471226,"noise_level":-26.228859,"freq_skew":1.140887,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":754,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734005,"usec":710663},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.987538,"noise_level":-26.432785,"freq_skew":1.953713,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":608,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[84,127,112,108]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1570,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[30,114,3,161]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734005,"usec":715715},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.702689,"noise_level":-26.936501,"freq_skew":1.419325,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":18,"dst_ref":1590,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[104,50]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734005,"usec":716679},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.556583,"noise_level":-26.897976,"freq_skew":-0.424909,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734005,"usec":716990},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.601447,"noise_level":-27.605270,"freq_skew":0.552694,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734006,"usec":476484},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489706,"noise_level":-27.399244,"freq_skew":-2.400533,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":583,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[188,162,59,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734006,"usec":477227},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.507016,"noise_level":-27.338379,"freq_skew":0.754273,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52827,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734006,"usec":477359},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.930404,"noise_level":-27.338379,"freq_skew":0.431760,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52828,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734006,"usec":478193},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.731206,"noise_level":-27.277935,"freq_skew":0.545347,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18948,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":73,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[216,46,95,224]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT SANTIAGO","facility_function":"approach"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":120.200000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":240611},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722543,"noise_level":-26.981869,"freq_skew":1.016030,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":781,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[240,167,171,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":240741},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.320382,"noise_level":-26.981869,"freq_skew":0.598386,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":240887},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.894973,"noise_level":-27.702379,"freq_skew":-0.049205,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[179,133,75,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":242609},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.169197,"noise_level":-27.576790,"freq_skew":-0.334770,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":755,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[40,219,116,34]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43236,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[116,37,166,63]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":242753},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503756,"noise_level":-27.576790,"freq_skew":0.201462,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":243364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.213928,"noise_level":-27.514671,"freq_skew":2.003520,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":244410},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.858410,"noise_level":-27.452993,"freq_skew":-0.443503,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":245406},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.352618,"noise_level":-27.824945,"freq_skew":0.607737,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18949,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[29,212,119,111]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":245582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.682781,"noise_level":-27.824945,"freq_skew":1.223893,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":997151},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.810740,"noise_level":-28.830467,"freq_skew":1.799903,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"PC1561","msg_num":"M02","msg_num_seq":"A","msg_text":"PC1561/28JUL25 20:20:00,36980,2108, 112,N 39.821 W  5.360"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734007,"usec":998844},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.383753,"noise_level":-28.716612,"freq_skew":0.635916,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734008,"usec":1045},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487316,"noise_level":-28.552315,"freq_skew":0.870148,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":428,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734008,"usec":763413},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.286414,"noise_level":-28.121422,"freq_skew":-0.256183,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":730,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[17,152,112,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734008,"usec":763525},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874642,"noise_level":-28.121422,"freq_skew":-0.234729,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734008,"usec":764283},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.402046,"noise_level":-28.077282,"freq_skew":1.944071,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734008,"usec":767174},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.988441,"noise_level":-27.989674,"freq_skew":-0.237847,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734008,"usec":771316},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.470664,"noise_level":-27.838449,"freq_skew":1.211331,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2023,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734009,"usec":527317},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224122,"noise_level":-27.921276,"freq_skew":2.107730,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-8.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734009,"usec":527471},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864742,"noise_level":-27.921276,"freq_skew":-0.242112,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"AF1358","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734009,"usec":527995},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.223754,"noise_level":-27.920198,"freq_skew":-2.455244,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":583,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[188,162,59,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734009,"usec":529825},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299470,"noise_level":-27.812769,"freq_skew":0.662058,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734009,"usec":532229},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679771,"noise_level":-27.685587,"freq_skew":2.148427,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"U212RW","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734009,"usec":532229},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.679771,"noise_level":-27.685587,"freq_skew":2.148427,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20064414","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,105,12,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734010,"usec":289437},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.911632,"noise_level":-27.375547,"freq_skew":-0.245625,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0],"dst_nsap":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":135,"segment_offset":0,"pdu_total_len":140},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":3,"type_name":"ATN system management","category_id":3,"category_name":"none","route_policy":0}}]}},{"name":"priority","value":[14]}],"idrp":{"err":true,"unknown_proto":{"data":[133,0,62,1,0,0,0,1,0,0,0,0,32,0,19,62,219,143,174,58,170,90,239,22,145,68,190,96,229,138,1,3,132,11,184,11,71,0,39,65,65,70,82,0,57,230,131]}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734010,"usec":290738},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.896982,"noise_level":-28.025026,"freq_skew":0.521250,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[228,20,132,169]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734010,"usec":291253},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.621529,"noise_level":-28.003176,"freq_skew":1.605467,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":870,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":76,"dst_ref":43362,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[113,127,139,33]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734010,"usec":295821},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.163072,"noise_level":-28.310766,"freq_skew":0.852199,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734010,"usec":296290},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.044119,"noise_level":-28.265657,"freq_skew":-0.363424,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":49832},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.892633,"noise_level":-28.131721,"freq_skew":2.328625,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":49985},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.832386,"noise_level":-28.109598,"freq_skew":0.425077,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":50604},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254913,"noise_level":-28.065519,"freq_skew":0.805647,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":51445},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485912,"noise_level":-27.999817,"freq_skew":-0.373713,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0],"dst_nsap":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":135,"segment_offset":0,"pdu_total_len":140},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":3,"type_name":"ATN system management","category_id":3,"category_name":"none","route_policy":0}}]}},{"name":"priority","value":[14]}],"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":0,"credit_offered":32,"credit_avail":0,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,65,70,82,0,57,230,131],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":51605},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.098394,"noise_level":-27.999817,"freq_skew":-0.116378,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[179,133,75,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":53310},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368811,"noise_level":-28.178974,"freq_skew":2.632151,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":14,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":54885},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.952022,"noise_level":-28.068317,"freq_skew":1.656451,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"PC1561","msg_num":"M02","msg_num_seq":"A","msg_text":"PC1561/28JUL25 20:20:00,36980,2108, 112,N 39.821 W  5.360"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":55801},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.999996,"noise_level":-28.156012,"freq_skew":-0.395501,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":136,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":32,"credit_avail":0,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,65,70,82,0,57,230,131],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":808173},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.404003,"noise_level":-28.133827,"freq_skew":1.280592,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":809272},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.889320,"noise_level":-28.045645,"freq_skew":-3.167970,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-2.600000},"alt":17000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":809773},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.021205,"noise_level":-28.023741,"freq_skew":2.032911,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":813591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.091510,"noise_level":-27.807671,"freq_skew":0.715771,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":813743},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316025,"noise_level":-27.807671,"freq_skew":-3.099648,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"IB04LY","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":813743},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.316025,"noise_level":-27.807671,"freq_skew":-3.099648,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020312","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,32,202,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":814009},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158835,"noise_level":-27.807671,"freq_skew":0.489941,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18953,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[213,14,237,34]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":814398},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.675281,"noise_level":-28.455923,"freq_skew":2.724737,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":814878},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839298,"noise_level":-28.432961,"freq_skew":0.303643,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734011,"usec":815446},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.548477,"noise_level":-28.387213,"freq_skew":-2.388140,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":583,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[188,162,59,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734012,"usec":575917},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.044630,"noise_level":-28.296436,"freq_skew":1.830261,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734012,"usec":577727},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.992757,"noise_level":-28.162029,"freq_skew":-0.292320,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":756,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43236,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,209,213,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":10}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734012,"usec":579418},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.061666,"noise_level":-28.051586,"freq_skew":1.649279,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734012,"usec":579476},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588336,"noise_level":-28.541519,"freq_skew":-0.507337,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734012,"usec":579734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.824625,"noise_level":-28.541519,"freq_skew":0.676724,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734012,"usec":580113},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.488682,"noise_level":-29.108063,"freq_skew":-3.314991,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734012,"usec":580512},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083485,"noise_level":-29.083311,"freq_skew":1.113885,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":258,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[113,163,67,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734012,"usec":581479},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.218878,"noise_level":-29.009478,"freq_skew":0.594312,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18955,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":73,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[114,161,169,26]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734013,"usec":332674},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.573946,"noise_level":-28.791672,"freq_skew":0.302649,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[204,39]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734013,"usec":333948},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.704262,"noise_level":-28.672989,"freq_skew":1.505792,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":870,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":76,"dst_ref":43362,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[113,127,139,33]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734013,"usec":334172},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.198973,"noise_level":-28.990234,"freq_skew":-0.544833,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":137,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":1,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734013,"usec":334548},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542746,"noise_level":-28.965816,"freq_skew":0.596375,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18956,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":73,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[169,47,215,104]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734013,"usec":335086},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538830,"noise_level":-28.917183,"freq_skew":0.465725,"avlc":{"src":{"addr":"4400EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1498,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[63,101,220,129]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734013,"usec":336791},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331175,"noise_level":-28.772903,"freq_skew":-0.079783,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734013,"usec":337532},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.496341,"noise_level":-28.701651,"freq_skew":1.117390,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2023,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734014,"usec":97009},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.189950,"noise_level":-28.584183,"freq_skew":0.678228,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734014,"usec":97937},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.143919,"noise_level":-28.514458,"freq_skew":-0.414501,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":138,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":3,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,65,70,82,0,57,230,131]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,65,70,82,0,57,230,131]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734014,"usec":102145},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.065111,"noise_level":-29.093647,"freq_skew":-0.424939,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":138,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":3,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,65,70,82,0,57,230,131]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,65,70,82,0,57,230,131]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734014,"usec":102293},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.308619,"noise_level":-29.093647,"freq_skew":1.599966,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":871,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43362,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[102,86,133,209]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734014,"usec":857816},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.615695,"noise_level":-28.753944,"freq_skew":0.651401,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18953,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[213,14,237,34]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734014,"usec":862246},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.897737,"noise_level":-28.565632,"freq_skew":-0.319470,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":138,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":3,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,65,70,82,0,57,230,131]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,65,70,82,0,57,230,131]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734015,"usec":619116},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.985535,"noise_level":-28.335836,"freq_skew":1.670585,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734015,"usec":619293},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.081092,"noise_level":-28.335836,"freq_skew":1.702042,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":791,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[103,9,252,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734015,"usec":619902},"freq":136975000,"burst_len_octets":187,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.253437,"noise_level":-28.797390,"freq_skew":-3.323196,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"IB0657","msg_num":"F10","msg_num_seq":"A","sublabel":"M1","msg_text":"REQPWI/TS202012,072825/WQ390.340.300:SEROX.VILAR.KARES.BISES.BCN.DIPES.TOSNU.LAPIT.OSPOK.NOLVI.ORKUM.ELSAG.ALG.TINTO/DQ340/WRLIRF.LIRN4E66"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734015,"usec":620335},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.652807,"noise_level":-28.858702,"freq_skew":-2.054245,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":583,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[188,162,59,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734015,"usec":620987},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.111319,"noise_level":-28.786747,"freq_skew":-0.270155,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734015,"usec":622644},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.262161,"noise_level":-28.668129,"freq_skew":1.537130,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":872,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[13,71,33,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734015,"usec":623455},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.217984,"noise_level":-28.794592,"freq_skew":-3.288049,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734015,"usec":624389},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.185248,"noise_level":-28.723162,"freq_skew":0.516910,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734015,"usec":624817},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256225,"noise_level":-28.675865,"freq_skew":-0.407821,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734016,"usec":376646},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.479662,"noise_level":-28.489220,"freq_skew":0.712482,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18960,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[80,45,205,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734016,"usec":378666},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522301,"noise_level":-28.329126,"freq_skew":0.707244,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18956,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":73,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[169,47,215,104]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734016,"usec":379594},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.280602,"noise_level":-28.261410,"freq_skew":0.585219,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"5U","blk_id":"8","ack":"!","flight":"TP0646","msg_num":"M12","msg_num_seq":"A","msg_text":"LPPR LEMD LFBD LFRS-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734016,"usec":383504},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.264376,"noise_level":-28.127537,"freq_skew":0.978680,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,118,92,229]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734016,"usec":384461},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574892,"noise_level":-28.083366,"freq_skew":-0.336748,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"AF1358","msg_num":"M28","msg_num_seq":"A","msg_text":"0E22020102","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":20,"min":20,"sec":10}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":146129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542859,"noise_level":-27.822964,"freq_skew":-0.040592,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":146958},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.411046,"noise_level":-27.780313,"freq_skew":0.690437,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18961,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":3,"variable_part_params":[{"name":"checksum","value":[43,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":149964},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.897198,"noise_level":-28.140652,"freq_skew":-0.255214,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":138,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":3,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,65,70,82,0,57,230,131]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,65,70,82,0,57,230,131]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":150928},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.287823,"noise_level":-28.096416,"freq_skew":0.709798,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":897299},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.253967,"noise_level":-27.921692,"freq_skew":-0.430037,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":899078},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291054,"noise_level":-28.717777,"freq_skew":-2.485247,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":899511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.469587,"noise_level":-28.694113,"freq_skew":-3.326625,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":899656},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657692,"noise_level":-29.373722,"freq_skew":-0.036040,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":757,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43236,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[125,168,166,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":899748},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-9.841940,"noise_level":-29.373722,"freq_skew":0.519136,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[197,18,182,151]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":899906},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.801233,"noise_level":-29.348202,"freq_skew":0.348613,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[143,184]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734017,"usec":905129},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.664565,"noise_level":-29.138950,"freq_skew":-0.386183,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":139,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734018,"usec":665922},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313080,"noise_level":-28.797504,"freq_skew":0.731346,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"9","ack":"C","flight":"TP0646","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734018,"usec":666085},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646659,"noise_level":-28.773623,"freq_skew":0.660272,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734018,"usec":672843},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.258934,"noise_level":-28.678741,"freq_skew":-0.323225,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734018,"usec":672975},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232540,"noise_level":-28.678741,"freq_skew":0.444613,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734018,"usec":678582},"freq":136975000,"burst_len_octets":238,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.333660,"noise_level":-28.423040,"freq_skew":1.643479,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"SK2802","msg_num":"F37","msg_num_seq":"A","sublabel":"M1","msg_text":"REQPWI/WQ390.340.300:TOSDI.ZMR.NUBLO.RONSI.DELOG.DIDIG.MOKOR.OLEBA.BAKUL.ARDOD.OBATO.RONAX.SORAP.DITAL.ELCOB.PODEM.BAZOS.SOMIL.BELDI.VEKIN.ADUTO.VICOT.DOSUR.TALSA/DQ340/TS202015,280725B1E3"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734019,"usec":430454},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.065566,"noise_level":-28.377346,"freq_skew":1.164858,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":259,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[138,52,133,34]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1531,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[87,106,137,11]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734019,"usec":434977},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.240281,"noise_level":-28.020199,"freq_skew":-0.226304,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734019,"usec":435767},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526818,"noise_level":-28.615053,"freq_skew":-2.319452,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":583,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[188,162,59,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734020,"usec":193913},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291849,"noise_level":-28.338474,"freq_skew":0.636221,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"0","ack":"D","flight":"TP0646","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734020,"usec":198449},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.565138,"noise_level":-28.158859,"freq_skew":-0.227176,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734020,"usec":202592},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.644664,"noise_level":-28.092453,"freq_skew":-0.249162,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"2F","blk_id":"6","ack":"!","flight":"AF1358","msg_num":"M27","msg_num_seq":"A","msg_text":"2017+4138-252/3746"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734020,"usec":952085},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.664143,"noise_level":-27.853207,"freq_skew":1.217829,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[224,1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734020,"usec":956271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.056512,"noise_level":-27.565235,"freq_skew":-0.194893,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734020,"usec":957005},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048288,"noise_level":-27.523827,"freq_skew":1.784537,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1636,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60799,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[68,207]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734021,"usec":719683},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.478669,"noise_level":-27.339899,"freq_skew":1.112508,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734021,"usec":719925},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.361567,"noise_level":-27.339899,"freq_skew":0.493571,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18968,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[232,114,133,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734021,"usec":720145},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202718,"noise_level":-28.188103,"freq_skew":0.449121,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30657,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[197,18,182,151]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734021,"usec":721302},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010674,"noise_level":-28.099375,"freq_skew":1.929144,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1637,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43342,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[211,237]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734021,"usec":723046},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.207904,"noise_level":-28.033417,"freq_skew":-0.498109,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734022,"usec":477544},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.902598,"noise_level":-27.914373,"freq_skew":1.248262,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":260,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":43364,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[8,178,31,144]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734022,"usec":479011},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.572130,"noise_level":-27.807018,"freq_skew":0.579749,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407535","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734022,"usec":480465},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.963361,"noise_level":-27.700975,"freq_skew":1.859232,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1638,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":30,"dst_ref":60799,"variable_part_params":[{"name":"checksum","value":[98,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734022,"usec":481995},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.268910,"noise_level":-27.596209,"freq_skew":-0.339012,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734022,"usec":482549},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.161977,"noise_level":-27.554653,"freq_skew":2.346663,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":3,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[253,114,178,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734022,"usec":482623},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.303976,"noise_level":-27.554653,"freq_skew":-1.711590,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":733,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[73,71,172,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734022,"usec":485213},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.185838,"noise_level":-28.364897,"freq_skew":0.638111,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734024,"usec":216},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.973565,"noise_level":-27.728882,"freq_skew":-0.523061,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":140,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,253,220,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734024,"usec":561},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.004528,"noise_level":-27.707760,"freq_skew":0.661788,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFQQ"},{"name":"ac_location","value":{"loc":{"lat":44.500000,"lon":-3.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734024,"usec":4749},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.184204,"noise_level":-27.417318,"freq_skew":0.462862,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OOC","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"V72407","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734024,"usec":5545},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267342,"noise_level":-27.376610,"freq_skew":0.586330,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15101613","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,79,69,0,52,131,139,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734024,"usec":766911},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.086113,"noise_level":-27.333832,"freq_skew":-0.355197,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734024,"usec":769406},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.395105,"noise_level":-27.173656,"freq_skew":0.490928,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18968,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[232,114,133,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734024,"usec":772942},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.771442,"noise_level":-27.587587,"freq_skew":-2.099146,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[136,240,23,53]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734024,"usec":774191},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.144140,"noise_level":-27.735527,"freq_skew":0.528605,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734025,"usec":522458},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.274388,"noise_level":-27.362692,"freq_skew":0.495120,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734025,"usec":522932},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.129797,"noise_level":-27.322237,"freq_skew":1.339233,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":260,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":43364,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[8,178,31,144]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734026,"usec":286116},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.053468,"noise_level":-27.122742,"freq_skew":1.587893,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734026,"usec":287027},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.644931,"noise_level":-27.063772,"freq_skew":-2.167552,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNE","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"BA045P","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734026,"usec":287027},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.644931,"noise_level":-27.063772,"freq_skew":-2.167552,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20072465","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,117,53,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734026,"usec":288197},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.221491,"noise_level":-26.985769,"freq_skew":0.345799,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":500,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,184,118,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734026,"usec":288482},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774142,"noise_level":-26.966377,"freq_skew":1.764509,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1637,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43342,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[211,237]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734026,"usec":289032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.059846,"noise_level":-26.927721,"freq_skew":0.437149,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734026,"usec":291667},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.849071,"noise_level":-26.850925,"freq_skew":-1.474756,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734026,"usec":291953},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.937140,"noise_level":-26.831833,"freq_skew":0.673328,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407535","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734026,"usec":293635},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071495,"noise_level":-26.736986,"freq_skew":-2.187013,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":44.400002,"lon":-2.900000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734027,"usec":46527},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.128012,"noise_level":-26.699337,"freq_skew":1.754797,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1638,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":30,"dst_ref":60799,"variable_part_params":[{"name":"checksum","value":[98,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734027,"usec":48660},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517905,"noise_level":-26.550350,"freq_skew":0.454836,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407535","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":3}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734027,"usec":52475},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.244769,"noise_level":-26.349579,"freq_skew":1.722691,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[254,120,17,12]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734027,"usec":817179},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831583,"noise_level":-26.002884,"freq_skew":0.698119,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734027,"usec":821028},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.708310,"noise_level":-25.831224,"freq_skew":-1.985556,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[136,240,23,53]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734028,"usec":567391},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696576,"noise_level":-25.729832,"freq_skew":1.243020,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734028,"usec":568677},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843931,"noise_level":-25.662891,"freq_skew":1.879927,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734028,"usec":574779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518750,"noise_level":-25.546970,"freq_skew":0.585159,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734028,"usec":576055},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.717360,"noise_level":-25.497761,"freq_skew":-2.104284,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNE","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"BA045P","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734028,"usec":578797},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183293,"noise_level":-25.432577,"freq_skew":0.507229,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734028,"usec":579403},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794108,"noise_level":-25.416355,"freq_skew":-2.374673,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20072465","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,117,53,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734029,"usec":336194},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.841088,"noise_level":-25.335709,"freq_skew":0.416595,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734029,"usec":337399},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575435,"noise_level":-25.271725,"freq_skew":0.585589,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407535","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20072465","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734029,"usec":341946},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066449,"noise_level":-25.160875,"freq_skew":0.634193,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":500,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,184,118,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734029,"usec":349146},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.368123,"noise_level":-25.020405,"freq_skew":0.470382,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407535","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNE","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734030,"usec":94059},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584399,"noise_level":-24.989492,"freq_skew":-1.025497,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734030,"usec":94386},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100550,"noise_level":-25.802992,"freq_skew":-2.238511,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734030,"usec":854558},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201049,"noise_level":-25.341110,"freq_skew":0.424498,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734032,"usec":385244},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503767,"noise_level":-24.441519,"freq_skew":1.627075,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":631,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734032,"usec":388688},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.202480,"noise_level":-24.297869,"freq_skew":0.632111,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":500,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,184,118,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734033,"usec":149212},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299439,"noise_level":-23.935137,"freq_skew":0.677839,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":18979,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[250,18,80,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734033,"usec":149655},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461604,"noise_level":-24.518240,"freq_skew":1.064665,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":782,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734033,"usec":912992},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.326523,"noise_level":-24.316032,"freq_skew":-0.158037,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":468,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734033,"usec":914258},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.215774,"noise_level":-24.869022,"freq_skew":0.990672,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6535,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[135,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734033,"usec":915339},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.858157,"noise_level":-25.351637,"freq_skew":1.779224,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1639,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[58,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734034,"usec":670561},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.193421,"noise_level":-25.129326,"freq_skew":0.466395,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734035,"usec":432196},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.570801,"noise_level":-24.760975,"freq_skew":2.179097,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2484,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[222,66]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734035,"usec":437261},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.257713,"noise_level":-24.553106,"freq_skew":0.580583,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":500,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,184,118,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734036,"usec":191091},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448872,"noise_level":-24.407616,"freq_skew":0.633083,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":50,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734036,"usec":957370},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.708310,"noise_level":-24.081957,"freq_skew":1.047141,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":782,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734036,"usec":957721},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677463,"noise_level":-24.664057,"freq_skew":-0.182802,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":468,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734036,"usec":961730},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661594,"noise_level":-25.004129,"freq_skew":1.579893,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":631,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734036,"usec":963936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.114354,"noise_level":-24.896622,"freq_skew":0.592689,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734037,"usec":720488},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.258733,"noise_level":-24.744684,"freq_skew":-2.666949,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[143,2,26,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734037,"usec":721726},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458229,"noise_level":-24.670013,"freq_skew":0.727778,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":430,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[220,208,62,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734037,"usec":724072},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.182028,"noise_level":-24.610733,"freq_skew":0.765810,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6535,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[135,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734039,"usec":237317},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.652420,"noise_level":-25.085712,"freq_skew":0.736385,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734039,"usec":237525},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.252908,"noise_level":-25.085712,"freq_skew":1.154405,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1414,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[170,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734039,"usec":237880},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909087,"noise_level":-25.070126,"freq_skew":1.308426,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":722,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734039,"usec":239262},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-3.509979,"noise_level":-25.008060,"freq_skew":0.852128,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6536,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[74,137]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734040,"usec":5367},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203899,"noise_level":-25.789612,"freq_skew":0.466904,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":500,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,184,118,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734040,"usec":767206},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212823,"noise_level":-25.088404,"freq_skew":1.852195,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":839,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30445,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[172,125,239,63]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30445,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[105,231,105,171]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":40}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734041,"usec":525462},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.156856,"noise_level":-25.026209,"freq_skew":2.497004,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[52,103,217,227]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734041,"usec":533302},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511823,"noise_level":-24.706804,"freq_skew":0.876283,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":627,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734042,"usec":288289},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.637192,"noise_level":-25.836973,"freq_skew":1.726085,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734042,"usec":290434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.937094,"noise_level":-25.701960,"freq_skew":1.425819,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734043,"usec":43159},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.606094,"noise_level":-25.519676,"freq_skew":1.645515,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"_d","blk_id":"9","ack":"E","flight":"SK2802","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734043,"usec":814102},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.221266,"noise_level":-24.963894,"freq_skew":0.670948,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11989A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734043,"usec":814743},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.607336,"noise_level":-24.948524,"freq_skew":1.471385,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":873,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[98,20,83,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734043,"usec":816865},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.918318,"noise_level":-25.822201,"freq_skew":1.148752,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[103,14]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734043,"usec":817919},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.706034,"noise_level":-25.771410,"freq_skew":0.350204,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11989A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,238,18,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734043,"usec":818962},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.985281,"noise_level":-25.720913,"freq_skew":2.512740,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[52,103,217,227]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734044,"usec":576572},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604808,"noise_level":-25.963982,"freq_skew":0.652247,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734044,"usec":576704},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.873793,"noise_level":-26.551762,"freq_skew":0.564852,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33631,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[44,69,236,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734044,"usec":577559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583946,"noise_level":-26.496534,"freq_skew":2.214241,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734044,"usec":578729},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854834,"noise_level":-26.478205,"freq_skew":1.421001,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.500000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734044,"usec":579984},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.993721,"noise_level":-27.052063,"freq_skew":1.431547,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"SK2802","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734044,"usec":579984},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.993721,"noise_level":-27.052063,"freq_skew":1.431547,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22545501","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,74,203,65,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734044,"usec":580404},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.773938,"noise_level":-27.455427,"freq_skew":1.044480,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734044,"usec":581814},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646364,"noise_level":-27.394169,"freq_skew":0.541766,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22545501","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734045,"usec":339635},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.857140,"noise_level":-27.582119,"freq_skew":1.519726,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":545,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[237,83,230,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734045,"usec":346335},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.320778,"noise_level":-27.336113,"freq_skew":1.395038,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734046,"usec":91726},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.734184,"noise_level":-27.175900,"freq_skew":-0.318607,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":686,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30757,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[29,104]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734046,"usec":92800},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.526809,"noise_level":-27.116570,"freq_skew":0.397861,"avlc":{"src":{"addr":"440080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734046,"usec":98919},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635037,"noise_level":-26.768873,"freq_skew":1.263705,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":184,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,45,173,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734046,"usec":863359},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.152961,"noise_level":-26.585888,"freq_skew":0.614718,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734046,"usec":864207},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581770,"noise_level":-26.548889,"freq_skew":1.707224,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":873,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[98,20,83,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734046,"usec":866503},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525630,"noise_level":-27.075974,"freq_skew":1.703998,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":840,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30445,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[245,101,150,41]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734047,"usec":626534},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279427,"noise_level":-26.939732,"freq_skew":1.817817,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":841,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43334,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,191,172,145]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":46}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734047,"usec":628650},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.906862,"noise_level":-26.805593,"freq_skew":-1.919553,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[86,77,150,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734047,"usec":628834},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.807425,"noise_level":-26.805593,"freq_skew":0.565311,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52863,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734047,"usec":629585},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.269096,"noise_level":-27.297550,"freq_skew":0.677038,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33631,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[44,69,236,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734047,"usec":631640},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219015,"noise_level":-27.257397,"freq_skew":1.823675,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":842,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":77,"dst_ref":30445,"variable_part_params":[{"name":"atn_checksum","value":[168,66,136,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734047,"usec":632066},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.154732,"noise_level":-27.237389,"freq_skew":1.142826,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[103,14]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734048,"usec":378489},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.275990,"noise_level":-27.213175,"freq_skew":-0.184583,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":469,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734048,"usec":380046},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.174431,"noise_level":-27.989389,"freq_skew":0.567151,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734048,"usec":383661},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.277912,"noise_level":-27.795446,"freq_skew":-1.860869,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734048,"usec":385401},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.252477,"noise_level":-27.689541,"freq_skew":0.548858,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734048,"usec":387277},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695540,"noise_level":-27.605740,"freq_skew":1.621847,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":144810},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443203,"noise_level":-27.564137,"freq_skew":2.119968,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-8.300000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":146471},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.902225,"noise_level":-27.481529,"freq_skew":1.529688,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":148273},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.782962,"noise_level":-27.572634,"freq_skew":0.624665,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":148616},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061941,"noise_level":-27.572634,"freq_skew":0.627548,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":549,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[27,193,242,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":148616},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.061941,"noise_level":-27.572634,"freq_skew":0.627548,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":550,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[217,188,227,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":157311},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.258639,"noise_level":-27.428440,"freq_skew":1.939248,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"U212RW","msg_num":"S77","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":158610},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531250,"noise_level":-27.387678,"freq_skew":2.114972,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20064414","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,105,12,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":160046},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625053,"noise_level":-27.306726,"freq_skew":0.516999,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20064414","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":904543},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.410337,"noise_level":-27.286604,"freq_skew":1.150394,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":184,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,45,173,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":906947},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461616,"noise_level":-28.199062,"freq_skew":0.502564,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"_d","blk_id":"Z","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":909453},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.641434,"noise_level":-28.647854,"freq_skew":1.464734,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":873,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[98,20,83,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":912505},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.079490,"noise_level":-28.531103,"freq_skew":0.671234,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":44.400002,"lon":-7.100000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":913317},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.154608,"noise_level":-28.461802,"freq_skew":0.603534,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":914713},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.288480,"noise_level":-28.393044,"freq_skew":0.895105,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"TP0646","msg_num":"J04","msg_num_seq":"A","msg_text":"/EBBR.TI2/000EBBRA2C8A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734049,"usec":915306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796986,"noise_level":-28.370247,"freq_skew":2.262680,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734050,"usec":665718},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425405,"noise_level":-28.370247,"freq_skew":-2.144699,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":289,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734050,"usec":666613},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.663905,"noise_level":-28.977959,"freq_skew":1.634502,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":715,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,43,87,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734050,"usec":667769},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851206,"noise_level":-28.880833,"freq_skew":0.694177,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHD","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"U259XL","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734050,"usec":667769},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.851206,"noise_level":-28.880833,"freq_skew":0.694177,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20071641","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,115,161,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734050,"usec":668264},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.218940,"noise_level":-28.856720,"freq_skew":1.648287,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":842,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":77,"dst_ref":30445,"variable_part_params":[{"name":"atn_checksum","value":[168,66,136,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734050,"usec":671400},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.045948,"noise_level":-28.572468,"freq_skew":0.586932,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734051,"usec":425199},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167994,"noise_level":-28.433758,"freq_skew":1.864906,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":843,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[217,16,174,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734051,"usec":434087},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.459325,"noise_level":-27.921637,"freq_skew":0.590796,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734052,"usec":192106},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.944676,"noise_level":-27.900040,"freq_skew":0.742962,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734052,"usec":192369},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.304304,"noise_level":-27.878498,"freq_skew":0.646800,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"2","ack":"E","flight":"TP0646","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734052,"usec":199493},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338202,"noise_level":-27.458513,"freq_skew":0.925058,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734052,"usec":950549},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.879455,"noise_level":-27.057899,"freq_skew":-1.207461,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMMX"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-6.700000},"alt":0}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734052,"usec":952868},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.194435,"noise_level":-26.979950,"freq_skew":0.687951,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"3","ack":"F","flight":"TP0646","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734052,"usec":953814},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.782587,"noise_level":-26.921942,"freq_skew":0.746632,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734054,"usec":478942},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.703086,"noise_level":-26.025522,"freq_skew":-3.184127,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"1","ack":"A","flight":"IB0657","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734054,"usec":479227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.856101,"noise_level":-27.011200,"freq_skew":0.837098,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734055,"usec":242089},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.982189,"noise_level":-26.818642,"freq_skew":1.466493,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2862,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734055,"usec":242219},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.724518,"noise_level":-26.818642,"freq_skew":1.309064,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":723,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[45,136,232,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734055,"usec":244173},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641672,"noise_level":-26.705124,"freq_skew":1.893451,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[54,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734055,"usec":247246},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.482290,"noise_level":-26.648918,"freq_skew":-1.798377,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":751,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734055,"usec":252701},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.462980,"noise_level":-27.362217,"freq_skew":-0.086550,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"43","blk_id":"4","ack":"!","flight":"TP0555","msg_num":"M52","msg_num_seq":"A","msg_text":"PAXC "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734056,"usec":4361},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.365568,"noise_level":-28.223307,"freq_skew":-0.270496,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":731,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[177,202,49,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734056,"usec":6942},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.652085,"noise_level":-29.076889,"freq_skew":-3.276301,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"2","ack":"B","flight":"IB0657","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734056,"usec":9160},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.129459,"noise_level":-29.340267,"freq_skew":0.676862,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734056,"usec":9705},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.107341,"noise_level":-29.289501,"freq_skew":0.641459,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734056,"usec":762766},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.115761,"noise_level":-28.917919,"freq_skew":0.546979,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TJM","mode":"2","label":"22","blk_id":"F","ack":"4","msg_text":"004PAX INFO RCVD\r\nTP555/CSTJM/28JUL MUCLIS PAX 1/29\r\n    \r\n* * * *\r\n    \r\n  SEAT NAME                  DST FLT   \r\n    \r\n  002F GUILHERME AUGUSTO COS GRU LA8147\r\n    \r\n* * * *\r\n    \r\nDST FLT    DATE  STD  ETD  GATE\r\n    "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734056,"usec":765589},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563461,"noise_level":-28.749809,"freq_skew":0.922818,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":424,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[118,200,67,240]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734056,"usec":766736},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.248033,"noise_level":-28.726055,"freq_skew":-0.222872,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"5","ack":"F","flight":"TP0555","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734056,"usec":769907},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.531607,"noise_level":-29.483570,"freq_skew":-0.296611,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":396,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[9,68,105,184]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734057,"usec":529002},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727377,"noise_level":-29.882257,"freq_skew":0.708557,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":64942,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734057,"usec":532168},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.763710,"noise_level":-29.694616,"freq_skew":-0.387169,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734057,"usec":533894},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547434,"noise_level":-29.615425,"freq_skew":1.885525,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-8.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734057,"usec":536230},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.077994,"noise_level":-29.536949,"freq_skew":0.698879,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734057,"usec":538479},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.007365,"noise_level":-29.433403,"freq_skew":0.704635,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TJM","mode":"2","label":"22","blk_id":"G","ack":"!","msg_text":"\r\nCNF TP103  29JUL 0825      42 \r\nFNC TP1697 28JUL 2225      18 \r\nFNC LH6978 29JUL              \r\nFNC LH6972 28JUL              \r\nGIG TP073  29JUL 1200      44A\r\nGIG TP075  28JUL 2230      44 \r\nGRU LA8147 29JUL          "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734058,"usec":284281},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316773,"noise_level":-29.780767,"freq_skew":2.220569,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U292QR","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734058,"usec":285163},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657063,"noise_level":-29.727365,"freq_skew":2.141443,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20053061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,86,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734058,"usec":285717},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.087286,"noise_level":-29.674292,"freq_skew":1.953451,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[43,10]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734058,"usec":288285},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.245283,"noise_level":-29.516987,"freq_skew":-2.151344,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734058,"usec":290575},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.536569,"noise_level":-29.799564,"freq_skew":0.683303,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52872,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,171,4,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734058,"usec":292729},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.545403,"noise_level":-29.666388,"freq_skew":-1.804461,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":751,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734058,"usec":292879},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491391,"noise_level":-29.666388,"freq_skew":0.457686,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":653,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[147,148,181,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":47413},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898021,"noise_level":-29.639996,"freq_skew":-2.120765,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":322,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[157,118,108,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":48666},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731263,"noise_level":-29.890560,"freq_skew":-1.563744,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":304,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":50258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914556,"noise_level":-29.782742,"freq_skew":1.947575,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":51368},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459739,"noise_level":-29.702744,"freq_skew":0.668590,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33897,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[90,117,152,117]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":2,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":51967},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925126,"noise_level":-29.702744,"freq_skew":0.643407,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[194,109,10,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":55841},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864577,"noise_level":-29.756340,"freq_skew":-2.287750,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":55841},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.864577,"noise_level":-29.756340,"freq_skew":-2.287750,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":323,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[12,28,28,151]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":56389},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614584,"noise_level":-29.756340,"freq_skew":-3.161488,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"3","ack":"C","flight":"IB0657","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":57367},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.274534,"noise_level":-30.104935,"freq_skew":0.689647,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":815120},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.293698,"noise_level":-29.994438,"freq_skew":0.669712,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[194,109,10,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":816398},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.696586,"noise_level":-29.912476,"freq_skew":1.886822,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[54,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":819499},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814319,"noise_level":-29.724190,"freq_skew":-1.601998,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":821866},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.176401,"noise_level":-29.592155,"freq_skew":-1.811017,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":752,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[57,6,159,113]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734059,"usec":822445},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.278860,"noise_level":-29.565987,"freq_skew":0.470250,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":568651},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.351185,"noise_level":-29.359436,"freq_skew":0.658304,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19016,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[213,218,150,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":568838},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622660,"noise_level":-29.359436,"freq_skew":-2.183043,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":569248},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.160052,"noise_level":-29.333961,"freq_skew":-3.207681,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"IB04LY","msg_num":"M12","msg_num_seq":"A","msg_text":"/LEBL.TI2/040LEBLA3461"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":570153},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.065382,"noise_level":-29.283230,"freq_skew":-0.451790,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":570849},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977213,"noise_level":-29.257975,"freq_skew":0.411378,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TJM","mode":"2","label":"22","blk_id":"G","ack":"!","msg_text":"\r\nCNF TP103  29JUL 0825      42 \r\nFNC TP1697 28JUL 2225      18 \r\nFNC LH6978 29JUL              \r\nFNC LH6972 28JUL              \r\nGIG TP073  29JUL 1200      44A\r\nGIG TP075  28JUL 2230      44 \r\nGRU LA8147 29JUL          "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":572704},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.105592,"noise_level":-29.307034,"freq_skew":0.662369,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[213,90,203,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":573083},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142167,"noise_level":-29.281710,"freq_skew":0.866344,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":154,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":574214},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599086,"noise_level":-29.256458,"freq_skew":1.653891,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1641,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[50,162]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":575284},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.357791,"noise_level":-29.206179,"freq_skew":-0.275468,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"6","ack":"G","flight":"TP0555","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":576101},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808107,"noise_level":-30.107954,"freq_skew":-1.811060,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MVD","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"VY01MC","msg_num":"M01","msg_num_seq":"A","msg_text":"202054,37029,2119, 108,N 41.192 W  2.658, 779"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734060,"usec":577349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462091,"noise_level":-30.963291,"freq_skew":0.628795,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734061,"usec":335741},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.215682,"noise_level":-30.691393,"freq_skew":2.058356,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[92,247,6,139]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734061,"usec":336683},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.273149,"noise_level":-30.632111,"freq_skew":0.706872,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734061,"usec":336861},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.969034,"noise_level":-30.632111,"freq_skew":1.902048,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43342,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[105,107]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":20,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734061,"usec":339840},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.263463,"noise_level":-30.398943,"freq_skew":0.514551,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734061,"usec":340630},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.293572,"noise_level":-30.370234,"freq_skew":0.470067,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":134,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1539,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[159,136,75,57]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":94678},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.588659,"noise_level":-30.116022,"freq_skew":0.146990,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":653,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[147,148,181,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":95384},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.245524,"noise_level":-30.060528,"freq_skew":0.490648,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":95783},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.858739,"noise_level":-30.032911,"freq_skew":0.677892,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"22","blk_id":"H","ack":"!","msg_text":"004PAX INFO RCVD\r\nTP555/CSTJM/28JUL MUCLIS PAX 1/29\r\n    \r\n* * * *\r\n    \r\n  SEAT NAME                  DST FLT   \r\n    \r\n  002F GUILHERME AUGUSTO COS GRU LA8147\r\n    \r\n* * * *\r\n    \r\nDST FLT    DATE  STD  ETD  GATE\r\n    \r\nCNF TP103  29JUL 0825      42 \r\nFNC TP1697 28JUL 2225      18 \r\nFNC LH6978 29JUL              \r\nFNC LH6972 28JUL              \r\nGIG TP073  29JUL 1200      44A\r\nGIG TP075  28JUL 2230      44 \r\nGRU LA8147 29JUL              \r\nGRU TP087  28JUL 2310 2310 41A\r\nPDL TP1859 29JUL 0715      23A\r\nRAK TP1452 29JUL 0730      43B\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":96570},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.064065,"noise_level":-29.977943,"freq_skew":2.544576,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4095,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23099,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[128,186]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":100207},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.505558,"noise_level":-29.788248,"freq_skew":-0.184223,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"7","ack":"H","flight":"TP0555","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":101278},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287904,"noise_level":-29.761484,"freq_skew":1.678958,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":313,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43129,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[84,69,67,182]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43129,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[45,66,25,178]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":103676},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.801745,"noise_level":-29.681683,"freq_skew":1.518307,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":104281},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.232172,"noise_level":-29.655245,"freq_skew":0.467088,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":105111},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.921165,"noise_level":-29.602608,"freq_skew":-1.600963,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":304,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":861428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.382169,"noise_level":-29.472393,"freq_skew":2.000781,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":863194},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843074,"noise_level":-29.344105,"freq_skew":-1.035410,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMMX"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-6.700000},"alt":0}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":863615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.448056,"noise_level":-29.318674,"freq_skew":0.687212,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":864688},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677779,"noise_level":-29.268034,"freq_skew":0.456417,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":866016},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407746,"noise_level":-29.261002,"freq_skew":1.694058,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[43,10]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":867718},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.903930,"noise_level":-29.185650,"freq_skew":-0.967476,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20073335","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,118,221,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":868683},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046388,"noise_level":-30.182741,"freq_skew":-1.457712,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734062,"usec":869323},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.786820,"noise_level":-30.154736,"freq_skew":0.539405,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20073335","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734063,"usec":617689},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358572,"noise_level":-29.988571,"freq_skew":-3.074070,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"IB04LY","msg_num":"M12","msg_num_seq":"A","msg_text":"/LEBL.TI2/040LEBLA3461"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734063,"usec":618432},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.032382,"noise_level":-29.933882,"freq_skew":0.662172,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[213,90,203,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734063,"usec":620408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.846534,"noise_level":-29.798645,"freq_skew":-1.766218,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734064,"usec":382438},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209206,"noise_level":-29.430819,"freq_skew":0.523181,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734064,"usec":382534},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.184118,"noise_level":-29.430819,"freq_skew":-1.213187,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-DRTH","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LS05CD","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734064,"usec":383522},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722496,"noise_level":-30.228504,"freq_skew":-0.437266,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734064,"usec":385482},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.329273,"noise_level":-30.088638,"freq_skew":-3.148498,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-2.400000},"alt":18000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734064,"usec":386878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.932350,"noise_level":-29.978350,"freq_skew":-1.958447,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734064,"usec":387986},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.673258,"noise_level":-29.923723,"freq_skew":0.733176,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734065,"usec":146675},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.373696,"noise_level":-29.395573,"freq_skew":-0.714759,"avlc":{"src":{"addr":"4892C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":730,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":9,"ack":5,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734065,"usec":904157},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490466,"noise_level":-28.849453,"freq_skew":-0.210666,"avlc":{"src":{"addr":"4951D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":902,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60969,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[14,163,154,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734065,"usec":909646},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.061469,"noise_level":-28.565437,"freq_skew":2.684860,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4095,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23099,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[128,186]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734065,"usec":911579},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.602819,"noise_level":-28.472790,"freq_skew":0.674689,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20073335","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734065,"usec":912792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854203,"noise_level":-28.403948,"freq_skew":1.746093,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734066,"usec":666151},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.778635,"noise_level":-28.245403,"freq_skew":1.324536,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2863,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23059,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[54,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734067,"usec":430384},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.187150,"noise_level":-27.786430,"freq_skew":1.542688,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":314,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43129,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,250,124,5]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734067,"usec":430384},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.187150,"noise_level":-27.786430,"freq_skew":1.542688,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60999,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[161,190,181,106]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734067,"usec":433234},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.271815,"noise_level":-27.638680,"freq_skew":-1.338409,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734067,"usec":433642},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203948,"noise_level":-28.452389,"freq_skew":2.697891,"avlc":{"src":{"addr":"4CAE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":189916},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050640,"noise_level":-28.070181,"freq_skew":0.644887,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":191139},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224048,"noise_level":-28.004444,"freq_skew":1.610292,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":316,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":56,"dst_ref":43129,"variable_part_params":[{"name":"atn_checksum","value":[233,92,93,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":191139},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.224048,"noise_level":-28.004444,"freq_skew":1.610292,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":191538},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537552,"noise_level":-27.982643,"freq_skew":1.443477,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":317,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60999,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[157,199,144,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":193229},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.870231,"noise_level":-27.895977,"freq_skew":2.007215,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[67,104,232,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":197431},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.812920,"noise_level":-27.725199,"freq_skew":-1.063004,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-DRTH","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LS05CD","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":199557},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.086966,"noise_level":-27.599281,"freq_skew":-0.403157,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":951303},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420799,"noise_level":-27.495728,"freq_skew":0.665759,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":951535},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.837674,"noise_level":-27.475164,"freq_skew":2.053292,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":609,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":954715},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.115418,"noise_level":-27.332569,"freq_skew":0.505173,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":956405},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.173460,"noise_level":-27.252123,"freq_skew":1.551194,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":318,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60999,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[242,148,194,216]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60999,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[15,230,115,238]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734068,"usec":960882},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.138292,"noise_level":-27.093433,"freq_skew":0.449963,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734069,"usec":722472},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.502282,"noise_level":-26.841595,"freq_skew":0.561871,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-DRTH","mode":"2","label":"_d","blk_id":"Z","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734069,"usec":722648},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682085,"noise_level":-27.509552,"freq_skew":-3.319616,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"4","ack":"D","flight":"IB0657","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734069,"usec":724306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.083398,"noise_level":-27.427460,"freq_skew":1.048745,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734070,"usec":470495},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382650,"noise_level":-27.225555,"freq_skew":1.574920,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734070,"usec":472900},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542743,"noise_level":-27.106632,"freq_skew":-3.146970,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"_d","blk_id":"4","ack":"V","flight":"IB04LY","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734070,"usec":473085},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557326,"noise_level":-27.106632,"freq_skew":1.604337,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2863,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23059,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[54,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734070,"usec":476682},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.052973,"noise_level":-27.113338,"freq_skew":-1.212449,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734071,"usec":237584},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.404334,"noise_level":-26.841812,"freq_skew":2.170263,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5550,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[205,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734071,"usec":238405},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031209,"noise_level":-26.803705,"freq_skew":1.912051,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734071,"usec":241948},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.879982,"noise_level":-26.671638,"freq_skew":1.362526,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23059,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[242,193]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734071,"usec":246022},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692620,"noise_level":-26.597061,"freq_skew":-3.266408,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"5","ack":"E","flight":"IB0657","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":6492},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.876379,"noise_level":-27.367008,"freq_skew":-3.356271,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"IB0657","msg_num":"F11","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AK,71605F"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":7709},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129638,"noise_level":-27.306366,"freq_skew":0.530495,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"TP0944","msg_num":"J70","msg_num_seq":"A","msg_text":"/LPPR.TI2/000LPPRA5F3A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":8859},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.892431,"noise_level":-27.246143,"freq_skew":1.852322,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":844,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[47,220,224,94]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":11616},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.827852,"noise_level":-27.126938,"freq_skew":1.345443,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2863,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23059,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[54,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":12162},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.243208,"noise_level":-27.107227,"freq_skew":-3.185195,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-2.400000},"alt":18000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":13722},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.701690,"noise_level":-27.549435,"freq_skew":0.698946,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":765499},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158811,"noise_level":-27.732676,"freq_skew":-3.346435,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020312","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,32,202,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":766322},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829679,"noise_level":-27.690464,"freq_skew":2.110925,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":611,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1561,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[203,6,234,95]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":766463},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986567,"noise_level":-27.690464,"freq_skew":1.800588,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1643,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43342,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[124,235]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":10}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":769175},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.957239,"noise_level":-27.565048,"freq_skew":-0.762309,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":769853},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.537461,"noise_level":-27.544319,"freq_skew":0.936133,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":772548},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.540043,"noise_level":-28.147476,"freq_skew":1.753600,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"IB07HP","msg_num":"D73","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127078,1,1,TB000000/REP033,00,00,1/POSDMU,202059, 44.590,-  3.912,  4445,350\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734072,"usec":773623},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.265777,"noise_level":-28.081154,"freq_skew":0.563576,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734073,"usec":525525},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.216180,"noise_level":-28.015335,"freq_skew":-3.259174,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734073,"usec":525937},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.337620,"noise_level":-27.993505,"freq_skew":1.261302,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DPF","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR03NM","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734073,"usec":526293},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.319314,"noise_level":-27.971729,"freq_skew":0.794617,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734073,"usec":526426},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483991,"noise_level":-27.971729,"freq_skew":-3.139957,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"IB04LY","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734073,"usec":528016},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720207,"noise_level":-27.885172,"freq_skew":2.278872,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.900002,"lon":-4.200000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734073,"usec":528197},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.860164,"noise_level":-27.885172,"freq_skew":0.660504,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15020312","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734073,"usec":528385},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562702,"noise_level":-28.536411,"freq_skew":-0.575305,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-1.500000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734073,"usec":529915},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.005260,"noise_level":-28.490116,"freq_skew":0.295743,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"6","ack":"M","flight":"TP0944","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734073,"usec":530049},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.299738,"noise_level":-28.490116,"freq_skew":-3.173162,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"_d","blk_id":"4","ack":"V","flight":"IB04LY","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734073,"usec":534584},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.494494,"noise_level":-28.217426,"freq_skew":0.935741,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23122352","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,164,234,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734074,"usec":284813},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.335679,"noise_level":-28.195080,"freq_skew":-0.395285,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-3.100000},"alt":16000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734074,"usec":284813},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.335679,"noise_level":-28.195080,"freq_skew":-0.395285,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-NED","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"KMM587","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734074,"usec":284813},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.335679,"noise_level":-28.195080,"freq_skew":-0.395285,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221253","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,77,67,0,77,34,171,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734074,"usec":285891},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.169235,"noise_level":-28.150568,"freq_skew":-0.399973,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-GTS","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"TP38KJ","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734074,"usec":285891},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.169235,"noise_level":-28.150568,"freq_skew":-0.399973,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221527","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,77,35,87,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734074,"usec":286882},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.420184,"noise_level":-28.106281,"freq_skew":-2.114514,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[233,10,157,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734074,"usec":287228},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.844726,"noise_level":-28.631405,"freq_skew":1.530328,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-5.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734074,"usec":288840},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584333,"noise_level":-28.538055,"freq_skew":-3.118489,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734075,"usec":56022},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.174512,"noise_level":-28.107851,"freq_skew":-1.373545,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEST"},{"name":"ac_location","value":{"loc":{"lat":44.299999,"lon":-7.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734075,"usec":56022},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.174512,"noise_level":-28.107851,"freq_skew":-1.373545,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MLE","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"VY7113","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734075,"usec":56328},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.311682,"noise_level":-28.085787,"freq_skew":-0.635843,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734075,"usec":57391},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.226742,"noise_level":-28.041830,"freq_skew":0.717179,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734075,"usec":58044},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.995337,"noise_level":-27.998093,"freq_skew":0.402898,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"7","ack":"N","flight":"TP0944","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734075,"usec":59396},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.289218,"noise_level":-27.932896,"freq_skew":0.686581,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19039,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[0,43,210,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734075,"usec":808830},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.205526,"noise_level":-27.510336,"freq_skew":-1.363258,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734075,"usec":811770},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369313,"noise_level":-27.407833,"freq_skew":2.222136,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5551,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[132,44]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734075,"usec":812000},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240912,"noise_level":-27.407833,"freq_skew":-1.716850,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":734,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[13,76,16,210]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734076,"usec":573902},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843264,"noise_level":-27.844610,"freq_skew":1.838037,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":463,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734076,"usec":574167},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450989,"noise_level":-28.747868,"freq_skew":0.871222,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1416,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30747,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[79,64]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734076,"usec":575140},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391073,"noise_level":-28.700438,"freq_skew":1.616351,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"IB07HP","msg_num":"D73","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127078,1,1,TB000000/REP033,00,00,1/POSDMU,202059, 44.590,-  3.912,  4445,350\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734076,"usec":577198},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827772,"noise_level":-28.582985,"freq_skew":1.723743,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1643,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43342,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[124,235]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":10}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734076,"usec":579306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.184237,"noise_level":-28.467100,"freq_skew":0.650918,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734076,"usec":579707},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.217555,"noise_level":-28.444107,"freq_skew":1.199124,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1426,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734076,"usec":581015},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613318,"noise_level":-28.375490,"freq_skew":1.847526,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3725,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734076,"usec":581365},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.091710,"noise_level":-28.352737,"freq_skew":0.552616,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734077,"usec":334457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.905673,"noise_level":-28.150604,"freq_skew":0.922660,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734077,"usec":341950},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.099224,"noise_level":-27.888206,"freq_skew":-3.203726,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"_d","blk_id":"4","ack":"V","flight":"IB04LY","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734077,"usec":342946},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499049,"noise_level":-27.845234,"freq_skew":-1.876454,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[233,10,157,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734078,"usec":100571},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.129709,"noise_level":-28.136665,"freq_skew":0.712204,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734078,"usec":100868},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.171484,"noise_level":-28.533831,"freq_skew":1.229453,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[139,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734078,"usec":853175},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.175786,"noise_level":-28.282297,"freq_skew":-0.742519,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734078,"usec":854297},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961072,"noise_level":-28.214941,"freq_skew":0.600578,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"F","ack":"0","sublabel":"MD","msg_text":".ADUTO,334052.VICOT,334052.DOSUR,258006.TALSA,190009/WD340,TOSDI,306046,340M44.ZMR,308046,340M44.NUBLO,312036,340M44.RONSI,324031,340M44.DELOG,324034,340M45.DIDIG,338038,340M46.MOKOR,340040,340M47.OLEBA,344041,340M4"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734078,"usec":855341},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898014,"noise_level":-28.450077,"freq_skew":-3.334568,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"_d","blk_id":"6","ack":"W","flight":"IB04LY","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734078,"usec":856583},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.074917,"noise_level":-28.534641,"freq_skew":1.077573,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734078,"usec":859458},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.607881,"noise_level":-28.604282,"freq_skew":-0.705960,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734078,"usec":861702},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.589650,"noise_level":-28.488117,"freq_skew":1.570250,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"_d","blk_id":"1","ack":"F","flight":"SK2802","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734079,"usec":619548},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.344634,"noise_level":-28.328045,"freq_skew":-3.411610,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734079,"usec":620007},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900919,"noise_level":-28.570688,"freq_skew":1.851858,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734079,"usec":621023},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183319,"noise_level":-28.524212,"freq_skew":0.478658,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734079,"usec":628438},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.045070,"noise_level":-28.228037,"freq_skew":0.652652,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734079,"usec":630977},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.121810,"noise_level":-28.239037,"freq_skew":0.671371,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"G","ack":"!","sublabel":"MD","msg_text":"8.ARDOD,344041,340M48.OBATO,342045,340M48.RONAX,334053,340M48.SORAP,334056,340M48.PODEM,334056,340M48.BAZOS,338071,340M49.BELDI,338071,340M49.VEKIN,340080,340M49.ADUTO,342080,340M49.VICOT,340082,340M49.DOSUR,206011,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734080,"usec":386454},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298999,"noise_level":-28.658703,"freq_skew":0.483891,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33703,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":131,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[97,224,195,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734080,"usec":387214},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571682,"noise_level":-28.808186,"freq_skew":1.719929,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734080,"usec":389307},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.155737,"noise_level":-28.665688,"freq_skew":0.716501,"avlc":{"src":{"addr":"4079F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30661,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[177,41,178,6]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734080,"usec":394577},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.450651,"noise_level":-28.410366,"freq_skew":0.659182,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":61,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":139824},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.682911,"noise_level":-28.296741,"freq_skew":-2.084810,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[233,10,157,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":140608},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.204232,"noise_level":-29.158752,"freq_skew":0.622606,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4079F6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":143192},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.206295,"noise_level":-29.466755,"freq_skew":0.114568,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPW","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"TP1325","msg_num":"M51","msg_num_seq":"A","msg_text":"202114,36995,2112,454.5, 4130,N4205.50 W00837.81"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":144540},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.493190,"noise_level":-29.389603,"freq_skew":0.742907,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":72,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":149456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.166495,"noise_level":-29.212208,"freq_skew":0.632576,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":149879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.453803,"noise_level":-29.212208,"freq_skew":2.116922,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":151453},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831722,"noise_level":-29.434404,"freq_skew":2.368768,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.900002,"lon":-4.200000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":910649},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.849566,"noise_level":-29.586826,"freq_skew":0.603035,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":912207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.099395,"noise_level":-29.508608,"freq_skew":2.008570,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":913531},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.678315,"noise_level":-29.431086,"freq_skew":2.384716,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"EC45FP","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":914949},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.969877,"noise_level":-29.354248,"freq_skew":2.297749,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006301","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,74,85,0,68,12,193,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734081,"usec":916719},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.578088,"noise_level":-29.252850,"freq_skew":0.594083,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21006301","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734082,"usec":673567},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.485913,"noise_level":-29.202587,"freq_skew":1.728682,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[39,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734082,"usec":674688},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808522,"noise_level":-29.127735,"freq_skew":1.456834,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[139,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734082,"usec":674944},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.975161,"noise_level":-29.102932,"freq_skew":1.389446,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[94,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734082,"usec":678013},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.192463,"noise_level":-28.931236,"freq_skew":1.532042,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734082,"usec":678871},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939319,"noise_level":-28.906982,"freq_skew":1.516952,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-5.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734082,"usec":681705},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.468709,"noise_level":-28.810642,"freq_skew":0.477192,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734082,"usec":686715},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.210309,"noise_level":-28.668106,"freq_skew":2.538206,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734083,"usec":428324},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977411,"noise_level":-28.621109,"freq_skew":0.570687,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"G","ack":"!","sublabel":"MD","msg_text":"8.ARDOD,344041,340M48.OBATO,342045,340M48.RONAX,334053,340M48.SORAP,334056,340M48.PODEM,334056,340M48.BAZOS,338071,340M49.BELDI,338071,340M49.VEKIN,340080,340M49.ADUTO,342080,340M49.VICOT,340082,340M49.DOSUR,206011,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734083,"usec":428620},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294731,"noise_level":-29.382568,"freq_skew":1.762393,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":594,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734083,"usec":429338},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.562406,"noise_level":-29.357023,"freq_skew":0.657732,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21006301","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734083,"usec":431152},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.638147,"noise_level":-29.975035,"freq_skew":0.322579,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734083,"usec":434110},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498632,"noise_level":-29.812241,"freq_skew":-2.075585,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEP","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"EI058K","msg_num":"D15","msg_num_seq":"A","sublabel":"DF","msg_text":"A01/A32001,1,4/CCEI-DEP,JUL28,202113,LEMG,EIDW,0000/\r\nC106,39101,5000,44,0010,0,0100,44,X/\r\nCE-185,35995,255,770,6606,284,C31I84/\r\nEC577249,52476,12284,33311,73,13/\r\nEE699180,39940,12046,25750,73/\r\nN10861,0"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734083,"usec":435294},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.205432,"noise_level":-29.758648,"freq_skew":1.839561,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734083,"usec":435734},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676815,"noise_level":-29.731976,"freq_skew":-0.383237,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":470,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734084,"usec":198553},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.208364,"noise_level":-29.366901,"freq_skew":2.410979,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734084,"usec":199767},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.113835,"noise_level":-29.354763,"freq_skew":0.620979,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734084,"usec":201605},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.265817,"noise_level":-29.253353,"freq_skew":0.515740,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734084,"usec":958886},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685523,"noise_level":-28.806782,"freq_skew":1.958698,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":845,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[132,169,19,9]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43334,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[62,217,178,88]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734084,"usec":961465},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417168,"noise_level":-28.759031,"freq_skew":0.712910,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"Z","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734084,"usec":963768},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.263143,"noise_level":-28.617332,"freq_skew":-2.028166,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEP","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"EI058K","msg_num":"D15","msg_num_seq":"B","sublabel":"DF","msg_text":"861,0946,6414,1295,-----/\r\nN20861,0861,0947,6394,1288,-----/\r\nS1-----,0728,1257,4489,----,014,000/\r\nS2-----,0730,1268,4457,----,013,000/\r\nT1099,098,027,37,087,04941,0068/\r\nT2098,098,020,36,094,04881,0057/\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734085,"usec":715734},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695662,"noise_level":-28.340683,"freq_skew":0.696673,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734085,"usec":717895},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538378,"noise_level":-28.205593,"freq_skew":0.686267,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734085,"usec":718459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390602,"noise_level":-28.205593,"freq_skew":1.676820,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734085,"usec":719239},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.525323,"noise_level":-28.161026,"freq_skew":-0.467161,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734085,"usec":721422},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383759,"noise_level":-28.306492,"freq_skew":-1.891313,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEP","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"EI058K","msg_num":"D15","msg_num_seq":"C","sublabel":"DF","msg_text":"V106,05,056,154,05,00,00000/\r\nV202,06,167,048,04,00,00000/\r\nV312,02,184,313,0615/\r\nV402,02,246,063,0615/\r\nV500,00,000,000,0000/\r\nV600,00,000,000,0000/\r\nV7044,089,00081,22222222222O11/\r\nV8038,086,00081,22222"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734086,"usec":475945},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309419,"noise_level":-28.863972,"freq_skew":-2.022378,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"IB0591","msg_num":"D23","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,175909,1,1,TB000000/REP033,00,00,1/POSDMU,202115, 43.073,-  2.127,  4699,340\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734086,"usec":476517},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.832969,"noise_level":-28.839903,"freq_skew":1.357228,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2866,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[60,2]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734086,"usec":476750},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.084808,"noise_level":-29.317795,"freq_skew":0.475596,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"G","ack":"!","sublabel":"MD","msg_text":"8.ARDOD,344041,340M48.OBATO,342045,340M48.RONAX,334053,340M48.SORAP,334056,340M48.PODEM,334056,340M48.BAZOS,338071,340M49.BELDI,338071,340M49.VEKIN,340080,340M49.ADUTO,342080,340M49.VICOT,340082,340M49.DOSUR,206011,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734086,"usec":479338},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.714200,"noise_level":-29.166759,"freq_skew":1.716241,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"_d","blk_id":"2","ack":"G","flight":"SK2802","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734086,"usec":479506},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068313,"noise_level":-29.166759,"freq_skew":1.782969,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734086,"usec":481283},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.610950,"noise_level":-29.200573,"freq_skew":1.482902,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[139,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734086,"usec":482511},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.605044,"noise_level":-29.150616,"freq_skew":1.456509,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"PC1561","msg_num":"M03","msg_num_seq":"A","msg_text":"/LPPT.TI2/040LPPTA345A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734086,"usec":483702},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336060,"noise_level":-29.257149,"freq_skew":0.575000,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"Y","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734087,"usec":240950},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.257349,"noise_level":-29.156866,"freq_skew":0.660433,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734087,"usec":243415},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.746984,"noise_level":-29.008583,"freq_skew":-1.930841,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"EI058K","msg_num":"D15","msg_num_seq":"D","sublabel":"DF","msg_text":"A01/A32001,1,4/CCEI-DEP,JUL28,202113,LEMG,EIDW,0000/\r\nC106,39101,5000,44,0010,0,0100,44,X/\r\nCE-185,35995,255,770,6606,284,C31I84/\r\nEC577249,52476,12284,33311,73,13/\r\nEE699180,39940,12046,25750,73/\r\nN10861,0861,0946,6414,1295,-----/\r\nN20861,0861,0947,6394,1288,-----/\r\nS1-----,0728,1257,4489,----,014,000/\r\nS2-----,0730,1268,4457,----,013,000/\r\nT1099,098,027,37,087,04941,0068/\r\nT2098,098,020,36,094,04881,0057/\r\nV106,05,056,154,05,00,00000/\r\nV202,06,167,048,04,00,00000/\r\nV312,02,184,313,0615/\r\nV402,02,246,063,0615/\r\nV500,00,000,000,0000/\r\nV600,00,000,000,0000/\r\nV7044,089,00081,22222222222O11/\r\nV8038,086,00081,22222222222O11/\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734087,"usec":243734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.804429,"noise_level":-29.711597,"freq_skew":0.637101,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734087,"usec":244294},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.946271,"noise_level":-29.685066,"freq_skew":-0.456963,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734087,"usec":245223},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378756,"noise_level":-29.632248,"freq_skew":0.509532,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52900,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[21,148,215,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734087,"usec":247929},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.613661,"noise_level":-30.082653,"freq_skew":-0.572450,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"AF1358","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734087,"usec":249913},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790487,"noise_level":-30.431692,"freq_skew":-2.291688,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734087,"usec":996143},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298552,"noise_level":-30.203777,"freq_skew":0.618104,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734087,"usec":997280},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.136343,"noise_level":-30.119823,"freq_skew":0.543611,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"H","ack":"!","sublabel":"MD","msg_text":"340M43.TALSA,172038,340M47/WD300,TOSDI,312043.ZMR,314043.NUBLO,326030.RONSI,336029.DELOG,330031.DIDIG,330038.MOKOR,340040.OLEBA,336039.ARDOD,336039.OBATO,334041.RONAX,328049.SORAP,330050.PODEM,330050.BAZOS,332062.BE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734087,"usec":998084},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.568859,"noise_level":-30.092020,"freq_skew":0.600308,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"Z","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734088,"usec":1658},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.061257,"noise_level":-29.845711,"freq_skew":-0.364309,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":118,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734088,"usec":2605},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.510406,"noise_level":-29.818768,"freq_skew":1.939487,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734088,"usec":4385},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672421,"noise_level":-29.711830,"freq_skew":0.591781,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":277,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734088,"usec":764135},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792217,"noise_level":-29.553852,"freq_skew":1.887803,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"B9","blk_id":"6","ack":"!","flight":"U268FY","msg_num":"M79","msg_num_seq":"A","msg_text":"/LEMG.TI2/040LEMGAC4AA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734088,"usec":768322},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.198255,"noise_level":-29.347588,"freq_skew":-0.312148,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734089,"usec":523224},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.029421,"noise_level":-29.047091,"freq_skew":0.691820,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734089,"usec":528623},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.496209,"noise_level":-28.780481,"freq_skew":1.561334,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"_d","blk_id":"2","ack":"G","flight":"SK2802","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734090,"usec":289776},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.838105,"noise_level":-29.598925,"freq_skew":-0.329685,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":758,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1587,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[225,9,78,63]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734090,"usec":290106},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.534371,"noise_level":-29.598925,"freq_skew":0.649415,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734090,"usec":290850},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.617975,"noise_level":-29.794365,"freq_skew":1.380230,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUL","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR3015","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734090,"usec":295850},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.383890,"noise_level":-29.608595,"freq_skew":1.678475,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"7","ack":"T","flight":"U268FY","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734090,"usec":296608},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417937,"noise_level":-30.449814,"freq_skew":0.541994,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"Z","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734090,"usec":299122},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.275188,"noise_level":-30.277966,"freq_skew":1.515643,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734090,"usec":301057},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.172791,"noise_level":-30.221428,"freq_skew":0.428162,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734090,"usec":301645},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.553736,"noise_level":-30.193298,"freq_skew":1.621827,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-5.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":42251},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.178705,"noise_level":-30.363615,"freq_skew":0.515227,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"H","ack":"!","sublabel":"MD","msg_text":"340M43.TALSA,172038,340M47/WD300,TOSDI,312043.ZMR,314043.NUBLO,326030.RONSI,336029.DELOG,330031.DIDIG,330038.MOKOR,340040.OLEBA,336039.ARDOD,336039.OBATO,334041.RONAX,328049.SORAP,330050.PODEM,330050.BAZOS,332062.BE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":43343},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.039454,"noise_level":-30.306520,"freq_skew":1.348339,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221513","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,75,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":44530},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.101572,"noise_level":-30.221577,"freq_skew":-1.940731,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":46737},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.214231,"noise_level":-30.081823,"freq_skew":1.633399,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":47339},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.138299,"noise_level":-30.081823,"freq_skew":0.746200,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":809788},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.662591,"noise_level":-29.728651,"freq_skew":0.612597,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":277,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":816310},"freq":136975000,"burst_len_octets":202,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.966594,"noise_level":-29.735561,"freq_skew":0.599840,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"A9","blk_id":"U","ack":"!","msg_text":"012HPA\r\nNOSIG\r\nTAIL 20 KTS REPORTED ON FINAL APCH UP\r\nTO 2500 FT FOR RWY 12\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR L\r\n9DED\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":816675},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547451,"noise_level":-29.735561,"freq_skew":1.798949,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":846,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43334,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[57,75,165,247]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":817435},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.798288,"noise_level":-29.682436,"freq_skew":1.513455,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"_d","blk_id":"9","ack":"M","flight":"PC1561","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":817654},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396538,"noise_level":-29.655994,"freq_skew":-1.270554,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":439,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734091,"usec":819800},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577328,"noise_level":-29.524984,"freq_skew":0.599549,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19061,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[230,109,192,34]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFBB","facility_name":"BORDEAUX","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":121.340000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734092,"usec":579110},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.020160,"noise_level":-29.294037,"freq_skew":-0.276015,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734092,"usec":579367},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369854,"noise_level":-29.589193,"freq_skew":1.278069,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734093,"usec":328680},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.585756,"noise_level":-29.179823,"freq_skew":1.661218,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734093,"usec":329332},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.628564,"noise_level":-29.129984,"freq_skew":1.467575,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[139,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734093,"usec":331993},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209767,"noise_level":-28.982155,"freq_skew":-2.288656,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":194,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734093,"usec":339422},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.405562,"noise_level":-28.693836,"freq_skew":-3.339798,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734093,"usec":340994},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.995472,"noise_level":-28.623228,"freq_skew":0.654227,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"H","ack":"!","sublabel":"MD","msg_text":"340M43.TALSA,172038,340M47/WD300,TOSDI,312043.ZMR,314043.NUBLO,326030.RONSI,336029.DELOG,330031.DIDIG,330038.MOKOR,340040.OLEBA,336039.ARDOD,336039.OBATO,334041.RONAX,328049.SORAP,330050.PODEM,330050.BAZOS,332062.BE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734094,"usec":96721},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716859,"noise_level":-28.599817,"freq_skew":1.511263,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[21,82]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734094,"usec":98862},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.372013,"noise_level":-28.460672,"freq_skew":0.432559,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33726,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[170,43,57,201]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734094,"usec":103526},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477705,"noise_level":-28.233601,"freq_skew":0.701169,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[43,126,125,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734094,"usec":103526},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.477705,"noise_level":-28.233601,"freq_skew":0.701169,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[88,221,40,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734094,"usec":857613},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.197275,"noise_level":-27.968723,"freq_skew":-2.149313,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":324,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734094,"usec":858954},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511837,"noise_level":-27.903748,"freq_skew":0.521596,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19061,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[230,109,192,34]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFBB","facility_name":"BORDEAUX","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":121.340000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734094,"usec":861165},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.708125,"noise_level":-27.775234,"freq_skew":0.522128,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":135,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734094,"usec":863649},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.944897,"noise_level":-27.690603,"freq_skew":-1.187194,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":439,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734094,"usec":864131},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.220029,"noise_level":-27.669575,"freq_skew":0.529896,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734095,"usec":617702},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.205670,"noise_level":-27.565186,"freq_skew":-2.284251,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":325,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43279,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[236,104,87,196]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43279,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[62,149,78,197]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734095,"usec":617956},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710980,"noise_level":-27.544458,"freq_skew":1.721031,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[247,118,162,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734095,"usec":618181},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787332,"noise_level":-27.544458,"freq_skew":-2.195532,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734095,"usec":618854},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.666428,"noise_level":-27.503147,"freq_skew":-0.325532,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734095,"usec":619266},"freq":136975000,"burst_len_octets":202,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.946033,"noise_level":-27.482567,"freq_skew":0.632076,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"A9","blk_id":"U","ack":"!","msg_text":"012HPA\r\nNOSIG\r\nTAIL 20 KTS REPORTED ON FINAL APCH UP\r\nTO 2500 FT FOR RWY 12\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR L\r\n9DED\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734095,"usec":619959},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.374749,"noise_level":-27.462034,"freq_skew":1.801940,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"TP048M","msg_num":"M95","msg_num_seq":"A","msg_text":"202134,35119,2127,459.6, 4520,N4018.57 W00249.98"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734095,"usec":620160},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.669256,"noise_level":-27.441551,"freq_skew":0.514308,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734095,"usec":620872},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432443,"noise_level":-27.421116,"freq_skew":1.580860,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"8","ack":"U","flight":"U268FY","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734095,"usec":621406},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.265143,"noise_level":-28.390182,"freq_skew":0.601544,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19068,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[62,63,183,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734095,"usec":626303},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.481875,"noise_level":-28.120564,"freq_skew":0.710507,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19069,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[17,149,32,157]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734096,"usec":386040},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.096245,"noise_level":-27.967064,"freq_skew":0.683979,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734096,"usec":386349},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724616,"noise_level":-27.967064,"freq_skew":1.208659,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[31,10,95,189]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734096,"usec":391768},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939723,"noise_level":-28.569479,"freq_skew":0.578123,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"H","ack":"!","sublabel":"MD","msg_text":"340M43.TALSA,172038,340M47/WD300,TOSDI,312043.ZMR,314043.NUBLO,326030.RONSI,336029.DELOG,330031.DIDIG,330038.MOKOR,340040.OLEBA,336039.ARDOD,336039.OBATO,334041.RONAX,328049.SORAP,330050.PODEM,330050.BAZOS,332062.BE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734096,"usec":392488},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.804395,"noise_level":-28.546215,"freq_skew":-2.286528,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734096,"usec":393707},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.446923,"noise_level":-28.476791,"freq_skew":0.472098,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52907,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":143921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854879,"noise_level":-28.453772,"freq_skew":1.724063,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":145192},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.149521,"noise_level":-28.362303,"freq_skew":0.682995,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":145483},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.152923,"noise_level":-28.362303,"freq_skew":1.193799,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":755,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":151889},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624710,"noise_level":-28.427458,"freq_skew":1.795859,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":847,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[247,73,14,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":152467},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240861,"noise_level":-28.404570,"freq_skew":0.516007,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[43,126,125,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":154750},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.751852,"noise_level":-28.291023,"freq_skew":1.479439,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2866,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[60,2]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":155250},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858668,"noise_level":-28.504402,"freq_skew":1.264060,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":911441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.081060,"noise_level":-28.481312,"freq_skew":0.447608,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":912572},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.222744,"noise_level":-28.412401,"freq_skew":1.670572,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":319,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":913569},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254379,"noise_level":-28.366764,"freq_skew":0.518568,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[88,221,40,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":915413},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.286799,"noise_level":-28.253706,"freq_skew":0.630906,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52909,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":916318},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.030853,"noise_level":-28.208893,"freq_skew":0.626701,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":919308},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.894158,"noise_level":-28.053837,"freq_skew":-1.263756,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[228,196,73,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734097,"usec":919475},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.016915,"noise_level":-28.053837,"freq_skew":0.432687,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52910,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734098,"usec":665057},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.598232,"noise_level":-27.901505,"freq_skew":2.176141,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":610,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734098,"usec":666014},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.971291,"noise_level":-28.791733,"freq_skew":1.453214,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[247,118,162,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734098,"usec":667575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885463,"noise_level":-28.720329,"freq_skew":1.564340,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734098,"usec":668265},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891789,"noise_level":-28.673050,"freq_skew":0.266496,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734098,"usec":671044},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.270552,"noise_level":-28.579254,"freq_skew":1.535480,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFSB"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-0.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734098,"usec":673717},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.119896,"noise_level":-28.417511,"freq_skew":0.610879,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734099,"usec":431796},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294397,"noise_level":-28.258724,"freq_skew":0.353576,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZTK","mode":"2","label":"H2","blk_id":"1","ack":"!","flight":"U235GQ","msg_num":"M65","msg_num_seq":"A","msg_text":"02E28EGKKLPPTN48263W00325719213499M500338051G    QN46560W00418519333500M492340050G    QN45259W00508219453500M472336041G    QN43557W00559719573500M450336041G    QN42270W00652220093499M442326044G    QN41025W00749"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734099,"usec":433081},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298522,"noise_level":-28.783981,"freq_skew":0.616128,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734099,"usec":433678},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.071034,"noise_level":-28.825005,"freq_skew":1.175315,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734099,"usec":435262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609231,"noise_level":-29.664398,"freq_skew":-3.504538,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734099,"usec":436140},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.069883,"noise_level":-29.611702,"freq_skew":0.600754,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"H","ack":"!","sublabel":"MD","msg_text":"340M43.TALSA,172038,340M47/WD300,TOSDI,312043.ZMR,314043.NUBLO,326030.RONSI,336029.DELOG,330031.DIDIG,330038.MOKOR,340040.OLEBA,336039.ARDOD,336039.OBATO,334041.RONAX,328049.SORAP,330050.PODEM,330050.BAZOS,332062.BE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734099,"usec":436709},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.373994,"noise_level":-29.611702,"freq_skew":0.449630,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734099,"usec":439987},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.020945,"noise_level":-29.455519,"freq_skew":-3.205961,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-2.300000},"alt":18000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734099,"usec":440888},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511600,"noise_level":-29.404076,"freq_skew":0.496076,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"_d","blk_id":"Z","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734099,"usec":441133},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.087109,"noise_level":-29.378468,"freq_skew":1.453920,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"_d","blk_id":"3","ack":"H","flight":"SK2802","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":192809},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.026794,"noise_level":-29.251547,"freq_skew":1.656628,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":547,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":193094},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767117,"noise_level":-29.251547,"freq_skew":-3.252882,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"IB04LY","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":193455},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.729156,"noise_level":-29.694786,"freq_skew":0.600292,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19073,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[162,150,209,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":193900},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.260407,"noise_level":-29.668308,"freq_skew":-3.127481,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15020312","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,32,202,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":195480},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.052545,"noise_level":-29.563196,"freq_skew":0.373331,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"H2","blk_id":"2","ack":"!","flight":"U235GQ","msg_num":"M65","msg_num_seq":"B","msg_text":"02E28EGKKLPPTN48263W00325719213499M500338051G    QN46560W00418519333500M492340050G    QN45259W00508219453500M472336041G    QN43557W00559719573500M450336041G    QN42270W00652220093499M442326044G    QN41025W00749320213501M467307034G    Q"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":198082},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.265419,"noise_level":-29.407873,"freq_skew":0.471253,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":954532},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.211770,"noise_level":-29.031300,"freq_skew":0.662881,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":955673},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.959330,"noise_level":-28.982304,"freq_skew":1.570506,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-5.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":956119},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413228,"noise_level":-28.957909,"freq_skew":0.811988,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[123,165,64,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":959265},"freq":136975000,"burst_len_octets":167,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921247,"noise_level":-28.836945,"freq_skew":0.545031,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"I","ack":"!","sublabel":"MD","msg_text":".ADUTO,334052.VICOT,334052.DOSUR,258006.TALSA,190009/WD340,TOSDI,306046,340M44.ZMR,308046,340M44.NUBLO,312036,340M44.RONSI,324031,340M44.DELOG,324034,340M45.DIDIG,338038,340M46.MOKOR,340040,340M47.OLEBA,344041,340M48.ARDOD,344041,340M48.OBATO,342045,340M48.RONAX,334053,340M48.SORAP,334056,340M48.PODEM,334056,340M48.BAZOS,338071,340M49.BELDI,338071,340M49.VEKIN,340080,340M49.ADUTO,342080,340M49.VICOT,340082,340M49.DOSUR,206011,340M43.TALSA,172038,340M47/WD300,TOSDI,312043.ZMR,314043.NUBLO,326030.RONSI,336029.DELOG,330031.DIDIG,330038.MOKOR,340040.OLEBA,336039.ARDOD,336039.OBATO,334041.RONAX,328049.SORAP,330050.PODEM,330050.BAZOS,332062.BELDI,332062.VEKIN,336068.ADUTO,336068.VICOT,334072.DOSUR,216016.TALSA,170049/DD300152054.240180025.180230015.100286017:,,,,AFBE\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734100,"usec":961102},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.614939,"noise_level":-29.134390,"freq_skew":0.456964,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"_d","blk_id":"X","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734101,"usec":711920},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920865,"noise_level":-29.035509,"freq_skew":1.550261,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734101,"usec":715947},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.524017,"noise_level":-28.793121,"freq_skew":0.441483,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D3","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Request / Broadcast Handoff","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"autotune_freq","value":{"freq_mhz":136.975006,"modulation_support":["VDL-M2, D8PSK, 31500 bps"]}},{"name":"replacement_ground_stations","value":["10928A"]},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734101,"usec":722319},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.444058,"noise_level":-28.487801,"freq_skew":0.359354,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734102,"usec":479453},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234932,"noise_level":-28.418842,"freq_skew":-2.309027,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":326,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43279,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[92,5,205,49]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":40}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734102,"usec":480976},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083731,"noise_level":-28.327734,"freq_skew":-2.306131,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":327,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61009,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[47,115,217,121]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734102,"usec":481337},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.821572,"noise_level":-28.305107,"freq_skew":0.524231,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"H","ack":"!","sublabel":"MD","msg_text":"REQPOS037B"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734102,"usec":486368},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.936283,"noise_level":-28.104067,"freq_skew":-1.991023,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"0","ack":"H","flight":"IB0591","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734102,"usec":486663},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.515696,"noise_level":-28.104067,"freq_skew":0.727782,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19077,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[147,12,233,94]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734102,"usec":487087},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.786029,"noise_level":-28.082012,"freq_skew":0.510810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19078,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43279,"dst_ref":59,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[193,171,152,150]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734102,"usec":488399},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.610451,"noise_level":-28.016186,"freq_skew":0.717420,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33967,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[24,58,60,239]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734102,"usec":488399},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.610451,"noise_level":-28.016186,"freq_skew":0.717420,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33968,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,220,162,232]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734102,"usec":489147},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.426275,"noise_level":-28.164192,"freq_skew":0.711006,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19073,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[162,150,209,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734103,"usec":232776},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945330,"noise_level":-28.119835,"freq_skew":-2.158848,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734103,"usec":232776},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.945330,"noise_level":-28.119835,"freq_skew":-2.158848,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734103,"usec":234986},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765104,"noise_level":-27.988110,"freq_skew":2.000488,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[162,167,30,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734103,"usec":235222},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.647152,"noise_level":-27.966349,"freq_skew":0.498198,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19078,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43279,"dst_ref":59,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[193,171,152,150]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734103,"usec":236021},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.282307,"noise_level":-27.922991,"freq_skew":-2.024332,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"IB0591","msg_num":"F93","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,115/TS202141,2807253549"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734103,"usec":237441},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.044453,"noise_level":-27.901392,"freq_skew":-2.260911,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":43279,"variable_part_params":[{"name":"atn_checksum","value":[212,186,96,237]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734103,"usec":237855},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.953468,"noise_level":-27.901392,"freq_skew":0.697761,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19078,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43279,"dst_ref":59,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[193,171,152,150]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734103,"usec":239671},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.179752,"noise_level":-28.282990,"freq_skew":1.671164,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":716,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[22,48,21,197]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734103,"usec":240603},"freq":136975000,"burst_len_octets":167,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.927022,"noise_level":-28.770298,"freq_skew":0.687105,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"I","ack":"!","sublabel":"MD","msg_text":"LDI,332062.VEKIN,336068.ADUTO,336068.VICOT,334072.DOSUR,216016.TALSA,170049/DD300152054.240180025.180230015.100286017:,,,,AFBE\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":1509},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643411,"noise_level":-28.581635,"freq_skew":1.524830,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"_d","blk_id":"4","ack":"I","flight":"SK2802","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":2179},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303238,"noise_level":-28.558334,"freq_skew":0.479814,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":2298},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.041928,"noise_level":-28.558334,"freq_skew":0.697372,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":2485},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.980321,"noise_level":-28.928062,"freq_skew":0.547205,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":8116},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.420453,"noise_level":-28.665028,"freq_skew":-2.081115,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":8544},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792238,"noise_level":-28.641506,"freq_skew":1.557953,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":11603},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605926,"noise_level":-28.524841,"freq_skew":0.722259,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":551,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":765829},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.131032,"noise_level":-28.501698,"freq_skew":0.667097,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":767078},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.530972,"noise_level":-28.409721,"freq_skew":-2.256791,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":771505},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.321736,"noise_level":-28.183960,"freq_skew":1.632139,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734104,"usec":774372},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.508877,"noise_level":-28.051266,"freq_skew":0.429199,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":714,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734105,"usec":520368},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.302251,"noise_level":-28.289646,"freq_skew":-2.162546,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"IB0591","msg_num":"F94","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN43069W002045,BAGAS,202142,340,SSN,202342,LUSEM,M45,29835,103/TS202142,280725C547"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734105,"usec":524893},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.117519,"noise_level":-28.088959,"freq_skew":1.545686,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"SK2802","msg_num":"F38","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AK,071/TS202143,2807259D5C"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734105,"usec":527934},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.466551,"noise_level":-27.936012,"freq_skew":-3.416371,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734105,"usec":530505},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.239752,"noise_level":-27.871281,"freq_skew":0.711542,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734106,"usec":285690},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.874484,"noise_level":-27.764454,"freq_skew":-2.292113,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":329,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[17,22,103,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734106,"usec":285827},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.934765,"noise_level":-27.764454,"freq_skew":0.714301,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734106,"usec":287312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.064419,"noise_level":-27.679928,"freq_skew":0.588424,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734106,"usec":292981},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500669,"noise_level":-27.513304,"freq_skew":-2.166844,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734106,"usec":294442},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.580251,"noise_level":-27.451633,"freq_skew":0.582710,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33973,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[50,137,241,32]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFBB,BORDEAUX,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":47206},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.170418,"noise_level":-27.229191,"freq_skew":1.763064,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZWY","mode":"2","label":"H2","blk_id":"9","ack":"!","flight":"U268FY","msg_num":"M80","msg_num_seq":"A","msg_text":"02E28EGGWLEMGN48313W00235919213697M495335056G    QN46570W00309019333697M497333052G    QN45240W00339919453701M490334035G    QN43503W00403219573703M480323035G    QN42159W00413520093700M485312041G    QN40420W00423"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":47607},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.266337,"noise_level":-28.148064,"freq_skew":0.691270,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":47717},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.179736,"noise_level":-28.148064,"freq_skew":0.496119,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":49910},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.396556,"noise_level":-28.037798,"freq_skew":-2.187235,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":51582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.850542,"noise_level":-27.972307,"freq_skew":1.647819,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":52673},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.512317,"noise_level":-27.928917,"freq_skew":0.684472,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":714,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":53066},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.763756,"noise_level":-27.907305,"freq_skew":0.633670,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33973,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[50,137,241,32]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFBB,BORDEAUX,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":814952},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.516344,"noise_level":-27.736303,"freq_skew":-2.189383,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":816161},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.198424,"noise_level":-27.673037,"freq_skew":0.672726,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":816373},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.689859,"noise_level":-27.673037,"freq_skew":0.647084,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":714,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":817181},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.061510,"noise_level":-28.340565,"freq_skew":1.580483,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFSB"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-0.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":819865},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.405747,"noise_level":-28.227844,"freq_skew":0.455127,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"Y","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":823195},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.873235,"noise_level":-28.431393,"freq_skew":1.894090,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"H2","blk_id":"0","ack":"!","flight":"U268FY","msg_num":"M80","msg_num_seq":"B","msg_text":"02E28EGGWLEMGN48313W00235919213697M495335056G    QN46570W00309019333697M497333052G    QN45240W00339919453701M490334035G    QN43503W00403219573703M480323035G    QN42159W00413520093700M485312041G    QN40420W00423120213701M505301045G    Q"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734107,"usec":825947},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.187139,"noise_level":-29.159634,"freq_skew":1.245973,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[140,16,78,173]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734108,"usec":581004},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976650,"noise_level":-28.698357,"freq_skew":-0.494993,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":123,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[197,179,40,63]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734109,"usec":333916},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.381047,"noise_level":-28.488121,"freq_skew":0.547917,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"Z","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734109,"usec":335989},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.889672,"noise_level":-28.373486,"freq_skew":-3.136769,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":23,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734109,"usec":343430},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.540353,"noise_level":-28.126484,"freq_skew":0.591990,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734109,"usec":347052},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.962408,"noise_level":-28.181740,"freq_skew":0.843161,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734110,"usec":103646},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.332166,"noise_level":-28.093073,"freq_skew":-0.175838,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":44.500000,"lon":-3.800000},"alt":38000}},{"name":"alternate_ground_stations","value":["119A6A","129F1A","11989A","11905A","119C1A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734110,"usec":105005},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656411,"noise_level":-28.027164,"freq_skew":-2.918483,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":51,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734110,"usec":105774},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520525,"noise_level":-27.983501,"freq_skew":2.807728,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":15,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":50,"dst_ref":1596,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[147,207,175,200]}]}],"x225_spdu":{"spdu_id":160,"spdu_type":"Short Refuse Continue"}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734110,"usec":105914},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.880167,"noise_level":-27.983501,"freq_skew":1.828958,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734110,"usec":107568},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583239,"noise_level":-28.953743,"freq_skew":-1.868046,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":753,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[152,226,6,35]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734110,"usec":107888},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.989520,"noise_level":-30.020189,"freq_skew":0.672572,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":714,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734110,"usec":855672},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788768,"noise_level":-29.590496,"freq_skew":2.595358,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":16,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1596,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[173,236,218,24]}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"persistent","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"ERROR","choice":"dM62ErrorInformation","data":{"error_info":"insufficientResources"}}},{"msg_element":{"choice_label":"FREE TEXT","choice":"dM98FreeText","data":{"free_text":"AIRCREW HAS INHIBITED CPDLC"}}}]}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734111,"usec":623204},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.719203,"noise_level":-28.814001,"freq_skew":1.264542,"avlc":{"src":{"addr":"4CA27F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43063,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[140,16,78,173]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734111,"usec":632029},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.682282,"noise_level":-28.531122,"freq_skew":-3.419052,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734111,"usec":632857},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.929505,"noise_level":-28.484858,"freq_skew":-0.098572,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JXM","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"DS1368","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734112,"usec":380578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.008003,"noise_level":-28.461819,"freq_skew":1.272110,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734112,"usec":380768},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390126,"noise_level":-28.461819,"freq_skew":1.235159,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":261,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[108,62,166,96]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734112,"usec":382213},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.246118,"noise_level":-28.827753,"freq_skew":-0.200045,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615046","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,38,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734112,"usec":392566},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509670,"noise_level":-28.406162,"freq_skew":0.711762,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734113,"usec":140628},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461981,"noise_level":-29.012600,"freq_skew":-2.844045,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":51,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734113,"usec":146138},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.571278,"noise_level":-28.723286,"freq_skew":-0.420293,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734113,"usec":150934},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.359866,"noise_level":-28.466286,"freq_skew":1.396387,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734113,"usec":901873},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775789,"noise_level":-28.543457,"freq_skew":0.456912,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1129,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[21,97,134,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734113,"usec":907581},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.228324,"noise_level":-28.291647,"freq_skew":-2.934683,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734114,"usec":668028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.282370,"noise_level":-28.003168,"freq_skew":1.640033,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1199BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734114,"usec":674107},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764379,"noise_level":-27.702850,"freq_skew":1.788500,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1199BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8213,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734114,"usec":676351},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719507,"noise_level":-27.660786,"freq_skew":1.258831,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":186,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734115,"usec":431557},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417770,"noise_level":-28.224009,"freq_skew":0.608114,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":714,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734115,"usec":432414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.352216,"noise_level":-28.201647,"freq_skew":0.617224,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734115,"usec":437453},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562930,"noise_level":-28.024815,"freq_skew":-2.801358,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734116,"usec":190815},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287029,"noise_level":-27.744923,"freq_skew":1.638906,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFSB"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-0.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734116,"usec":202392},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368703,"noise_level":-27.371693,"freq_skew":1.559613,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-AYN","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"DS587H","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734116,"usec":202392},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.368703,"noise_level":-27.371693,"freq_skew":1.559613,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22601175","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,2,125,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734116,"usec":956479},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.019781,"noise_level":-27.311018,"freq_skew":1.537265,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-5.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734116,"usec":961044},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.154786,"noise_level":-27.092098,"freq_skew":0.590374,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[232,245,0,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734116,"usec":965333},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.016781,"noise_level":-26.897762,"freq_skew":1.626941,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"PC1561","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734116,"usec":965333},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.016781,"noise_level":-26.897762,"freq_skew":1.626941,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22734147","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,184,103,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734117,"usec":717974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.623295,"noise_level":-26.764267,"freq_skew":1.382317,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734117,"usec":719262},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.803012,"noise_level":-26.750332,"freq_skew":1.737085,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":595,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[217,233,171,156]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1515,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[241,19,54,167]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734117,"usec":721423},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.015661,"noise_level":-27.260021,"freq_skew":1.544743,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"SK2802","msg_num":"F39","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AC,085/TS202154,280725FB2E"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734117,"usec":722915},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.615933,"noise_level":-28.027588,"freq_skew":1.174629,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":186,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734118,"usec":475732},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.297975,"noise_level":-28.387053,"freq_skew":1.593201,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734118,"usec":482910},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.131865,"noise_level":-28.766403,"freq_skew":1.390582,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734118,"usec":483249},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.937646,"noise_level":-28.766403,"freq_skew":0.745022,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33993,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[50,137,241,32]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFBB,BORDEAUX,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734118,"usec":485201},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.163164,"noise_level":-28.913252,"freq_skew":0.744531,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734118,"usec":486067},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625421,"noise_level":-28.840845,"freq_skew":0.704112,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734118,"usec":486067},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.625421,"noise_level":-28.840845,"freq_skew":0.704112,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RZA","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734119,"usec":235988},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.728583,"noise_level":-28.769035,"freq_skew":0.519033,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":1088,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734119,"usec":239606},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.549448,"noise_level":-28.580399,"freq_skew":0.699234,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":714,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734119,"usec":240778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.262864,"noise_level":-29.086327,"freq_skew":1.520311,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734120,"usec":4446},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454289,"noise_level":-28.746906,"freq_skew":-0.192455,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":44.500000,"lon":-3.800000},"alt":38000}},{"name":"alternate_ground_stations","value":["119A6A","129F1A","11989A","11905A","119C1A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734120,"usec":5131},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.268810,"noise_level":-28.723162,"freq_skew":1.482163,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734120,"usec":7646},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.981866,"noise_level":-29.024935,"freq_skew":1.306410,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734120,"usec":8036},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.972754,"noise_level":-29.000420,"freq_skew":0.891237,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":783,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[60,32,69,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734120,"usec":763989},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525843,"noise_level":-29.246008,"freq_skew":-0.171648,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126675","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,189,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734120,"usec":765050},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991283,"noise_level":-29.170784,"freq_skew":1.817034,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":595,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[217,233,171,156]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1515,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[241,19,54,167]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734120,"usec":765970},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.164681,"noise_level":-29.658363,"freq_skew":1.921649,"avlc":{"src":{"addr":"4CAFC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1851,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734120,"usec":766461},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616881,"noise_level":-29.605709,"freq_skew":0.596499,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":1144,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734120,"usec":771038},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.296372,"noise_level":-29.423887,"freq_skew":0.571489,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52932,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734121,"usec":523264},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.278367,"noise_level":-29.271015,"freq_skew":-0.249128,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGK","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR60HZ","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734121,"usec":523682},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.106842,"noise_level":-29.245796,"freq_skew":-1.302011,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734121,"usec":524265},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.097640,"noise_level":-29.195576,"freq_skew":0.261806,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7350,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734121,"usec":524868},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679641,"noise_level":-29.616640,"freq_skew":-1.535002,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43314,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[136,24,145,250]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734121,"usec":526953},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991553,"noise_level":-29.460369,"freq_skew":-0.437245,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":687,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[213,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734121,"usec":531240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.021433,"noise_level":-29.408895,"freq_skew":1.559061,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734121,"usec":532834},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.617742,"noise_level":-29.332254,"freq_skew":-1.292957,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734121,"usec":535489},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500668,"noise_level":-29.438980,"freq_skew":-0.027940,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734122,"usec":288853},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.173277,"noise_level":-29.336588,"freq_skew":0.616170,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734122,"usec":289398},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228548,"noise_level":-29.285843,"freq_skew":0.655607,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734122,"usec":289593},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.853560,"noise_level":-29.260580,"freq_skew":0.629696,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33993,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[50,137,241,32]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFBB,BORDEAUX,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734122,"usec":291881},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.490777,"noise_level":-29.061087,"freq_skew":-0.613696,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[179,203,122,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734122,"usec":298217},"freq":136975000,"burst_len_octets":196,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427260,"noise_level":-28.770180,"freq_skew":-2.135862,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":43.100002,"lon":-2.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734122,"usec":298217},"freq":136975000,"burst_len_octets":196,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.427260,"noise_level":-28.770180,"freq_skew":-2.135862,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"IB0591","msg_num":"F94","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN43069W002045,BAGAS,202142,340,SSN,202342,LUSEM,M45,29835,103/TS202142,280725C547"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734123,"usec":44264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640828,"noise_level":-28.628300,"freq_skew":-0.195164,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734123,"usec":46607},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.315257,"noise_level":-28.488701,"freq_skew":-2.307923,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15072725","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,117,213,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734123,"usec":817319},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.666184,"noise_level":-27.967983,"freq_skew":0.707836,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":1232,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734123,"usec":820400},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716241,"noise_level":-27.848793,"freq_skew":-2.148570,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734123,"usec":820758},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.096806,"noise_level":-27.848793,"freq_skew":0.508217,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19101,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[87,193,119,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734123,"usec":821482},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.042341,"noise_level":-28.566971,"freq_skew":0.327959,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4311,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734123,"usec":822057},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.744351,"noise_level":-28.543711,"freq_skew":0.496088,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":1243,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734123,"usec":822784},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362131,"noise_level":-28.520515,"freq_skew":-2.167464,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-1.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734124,"usec":569895},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873670,"noise_level":-28.520515,"freq_skew":1.836637,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734124,"usec":571094},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.647629,"noise_level":-28.405453,"freq_skew":0.601605,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"503E68","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734124,"usec":574176},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.211508,"noise_level":-28.157555,"freq_skew":0.515642,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734125,"usec":345479},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713046,"noise_level":-27.536018,"freq_skew":0.358872,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":91139},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.934471,"noise_level":-27.331608,"freq_skew":0.395287,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7350,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":94617},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.842761,"noise_level":-27.348164,"freq_skew":-0.437569,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":688,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[182,192]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":98756},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.255653,"noise_level":-27.267574,"freq_skew":0.637435,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407535","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33767,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":69,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[216,116,97,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":100167},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.600531,"noise_level":-27.679789,"freq_skew":-0.335700,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[179,203,122,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":100900},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.381250,"noise_level":-27.637833,"freq_skew":0.571971,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":857677},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.182712,"noise_level":-27.616930,"freq_skew":-2.175153,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":584,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[8,207,221,65]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":857677},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.182712,"noise_level":-27.616930,"freq_skew":-2.175153,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[188,162,59,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":858793},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676974,"noise_level":-27.533821,"freq_skew":2.032343,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5552,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":859010},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.906162,"noise_level":-27.756807,"freq_skew":0.544356,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":1232,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":859655},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.322208,"noise_level":-27.714479,"freq_skew":0.444745,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19101,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[87,193,119,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":860892},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.787463,"noise_level":-27.630436,"freq_skew":-1.970347,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[148,95,202,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":861022},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219953,"noise_level":-27.630436,"freq_skew":2.148613,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2485,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[222,66]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734126,"usec":866626},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.113547,"noise_level":-28.230148,"freq_skew":0.654432,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407535","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734127,"usec":620494},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.324189,"noise_level":-27.965374,"freq_skew":0.626336,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734127,"usec":622602},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938675,"noise_level":-27.835953,"freq_skew":1.947274,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":596,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":67,"dst_ref":43369,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[15,240,171,17]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734127,"usec":632055},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.198436,"noise_level":-28.315104,"freq_skew":-2.436230,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":44.600002,"lon":-2.900000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734128,"usec":381208},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.988556,"noise_level":-27.982199,"freq_skew":-2.272620,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"BA045P","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734129,"usec":148393},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.112896,"noise_level":-27.619717,"freq_skew":1.727328,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734129,"usec":148462},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657590,"noise_level":-27.619717,"freq_skew":0.495786,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":1232,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734129,"usec":150584},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506674,"noise_level":-28.376122,"freq_skew":1.019358,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1417,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734129,"usec":151629},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518649,"noise_level":-28.285461,"freq_skew":-2.280738,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734129,"usec":154700},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.660706,"noise_level":-28.151218,"freq_skew":-1.310023,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":744,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734129,"usec":155717},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.171444,"noise_level":-28.106930,"freq_skew":0.605409,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734129,"usec":156160},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.751976,"noise_level":-28.084869,"freq_skew":0.305700,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-8.600000},"alt":36000}},{"name":"alternate_ground_stations","value":["129F1A","119A6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734129,"usec":906454},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.212686,"noise_level":-27.953671,"freq_skew":-2.423247,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":584,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[8,207,221,65]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734129,"usec":906454},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.212686,"noise_level":-27.953671,"freq_skew":-2.423247,"avlc":{"src":{"addr":"407535","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30679,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[188,162,59,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734129,"usec":909722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.556434,"noise_level":-27.697069,"freq_skew":1.928984,"avlc":{"src":{"addr":"4CAFC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734130,"usec":665463},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.307435,"noise_level":-27.509476,"freq_skew":-1.348095,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734130,"usec":666423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.139947,"noise_level":-28.057222,"freq_skew":0.662485,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407535","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734130,"usec":675590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.129615,"noise_level":-27.776300,"freq_skew":2.099315,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734130,"usec":675990},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540818,"noise_level":-27.755062,"freq_skew":0.836107,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":52,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1534,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[144,85,244,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734130,"usec":679003},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.374354,"noise_level":-27.691660,"freq_skew":-1.581351,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":660,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1473,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[164,189,129,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734132,"usec":958727},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103938,"noise_level":-26.567392,"freq_skew":-2.259321,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-1.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734132,"usec":960284},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635377,"noise_level":-26.457090,"freq_skew":0.500675,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":1232,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734132,"usec":963779},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.728795,"noise_level":-26.240601,"freq_skew":2.164128,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[52,103,217,227]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734133,"usec":716699},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.039223,"noise_level":-26.399712,"freq_skew":0.206783,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734134,"usec":478809},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.207675,"noise_level":-26.202354,"freq_skew":-2.216344,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734135,"usec":239789},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.259206,"noise_level":-25.729200,"freq_skew":1.639993,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":792,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,74,57,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734135,"usec":244711},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.088529,"noise_level":-26.734858,"freq_skew":-0.453611,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":119,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[6,143,187,105]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734135,"usec":245765},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.568166,"noise_level":-26.734858,"freq_skew":1.146715,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2024,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[175,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734135,"usec":248319},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.632811,"noise_level":-27.151775,"freq_skew":-1.761129,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEST"},{"name":"ac_location","value":{"loc":{"lat":44.100002,"lon":-7.400000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734135,"usec":248914},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.180293,"noise_level":-27.151775,"freq_skew":0.579972,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734136,"usec":890},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802539,"noise_level":-27.044125,"freq_skew":-1.686522,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MLE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"VY7113","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734136,"usec":890},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.802539,"noise_level":-27.044125,"freq_skew":-1.686522,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15051006","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,82,6,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734136,"usec":7186},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.573541,"noise_level":-26.736908,"freq_skew":0.813425,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":74,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[60,198,23,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734136,"usec":762108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385579,"noise_level":-26.531828,"freq_skew":-1.748381,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734136,"usec":773989},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.195369,"noise_level":-26.367565,"freq_skew":0.513717,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734136,"usec":774587},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072289,"noise_level":-26.868069,"freq_skew":2.098953,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":282,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734137,"usec":527367},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274980,"noise_level":-26.659906,"freq_skew":-2.206451,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734137,"usec":529230},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766544,"noise_level":-26.529989,"freq_skew":0.282582,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":501,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734137,"usec":530181},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.146913,"noise_level":-26.474899,"freq_skew":0.506314,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734137,"usec":531051},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356560,"noise_level":-26.739670,"freq_skew":-1.337792,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734137,"usec":531883},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722579,"noise_level":-26.683237,"freq_skew":0.399456,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-7.800000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734137,"usec":532418},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.112456,"noise_level":-26.664509,"freq_skew":0.303212,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"U235GQ","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734137,"usec":532418},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.112456,"noise_level":-26.664509,"freq_skew":0.303212,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20060025","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,96,21,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734137,"usec":533026},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.046414,"noise_level":-27.141867,"freq_skew":0.869533,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734138,"usec":287750},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.291514,"noise_level":-27.063160,"freq_skew":1.804255,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":792,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,74,57,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734138,"usec":289112},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.816228,"noise_level":-26.965771,"freq_skew":0.511729,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"H1","blk_id":"N","ack":"!","sublabel":"MD","msg_text":"PWI/DD330334033.240326033.070004015.0503540128912\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734138,"usec":291855},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659401,"noise_level":-26.869461,"freq_skew":0.526991,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33993,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[50,137,241,32]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":21,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFBB,BORDEAUX,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734138,"usec":293740},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.098153,"noise_level":-27.313559,"freq_skew":1.829374,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"6","ack":"N","flight":"VY04LJ","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734138,"usec":296901},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.550329,"noise_level":-27.253286,"freq_skew":-2.014983,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734138,"usec":299096},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.734310,"noise_level":-27.213337,"freq_skew":0.669527,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3475D5","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":714,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734138,"usec":300668},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.343422,"noise_level":-27.153755,"freq_skew":0.512573,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734139,"usec":47002},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.474543,"noise_level":-27.797253,"freq_skew":0.313387,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734139,"usec":47595},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.387790,"noise_level":-27.754728,"freq_skew":1.263111,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2024,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[175,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734139,"usec":50118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183544,"noise_level":-28.106800,"freq_skew":0.681339,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734139,"usec":54320},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.001077,"noise_level":-27.982315,"freq_skew":2.002580,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"VY04LJ","msg_num":"F65","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AK,71605F"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734139,"usec":808814},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.553644,"noise_level":-27.831221,"freq_skew":1.727386,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":811,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734139,"usec":809571},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.148001,"noise_level":-27.767262,"freq_skew":1.152458,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2025,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[172,236]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734139,"usec":810763},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.288324,"noise_level":-27.703770,"freq_skew":0.572660,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52958,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734139,"usec":813449},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.488760,"noise_level":-27.751131,"freq_skew":0.659448,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"X","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734140,"usec":573150},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.293277,"noise_level":-27.157059,"freq_skew":1.842702,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734140,"usec":573706},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595654,"noise_level":-27.157059,"freq_skew":0.088281,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-8.600000},"alt":36000}},{"name":"alternate_ground_stations","value":["129F1A","119A6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734140,"usec":574264},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722972,"noise_level":-27.137280,"freq_skew":0.501814,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":501,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734141,"usec":329925},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.283492,"noise_level":-27.019550,"freq_skew":-2.104719,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-1.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734141,"usec":330980},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424497,"noise_level":-26.941940,"freq_skew":-2.111117,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734141,"usec":331105},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.009149,"noise_level":-26.941940,"freq_skew":0.609128,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"503E68","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734141,"usec":341446},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.323925,"noise_level":-26.601030,"freq_skew":1.704850,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":792,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,74,57,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734142,"usec":95864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.576177,"noise_level":-26.417263,"freq_skew":0.266539,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734142,"usec":97204},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.244901,"noise_level":-26.344830,"freq_skew":0.961939,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2026,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[108,214]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734142,"usec":99001},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.088557,"noise_level":-27.198362,"freq_skew":1.602242,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734142,"usec":102621},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904780,"noise_level":-27.119144,"freq_skew":2.025407,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":3,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[248,114,250,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734142,"usec":103052},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925996,"noise_level":-27.119144,"freq_skew":0.613305,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734142,"usec":105723},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645191,"noise_level":-27.040646,"freq_skew":0.270560,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPW","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"TP1325","msg_num":"M52","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734142,"usec":863452},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209837,"noise_level":-26.885740,"freq_skew":0.598009,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":52958,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734142,"usec":865009},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.302099,"noise_level":-26.790310,"freq_skew":-0.453460,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734142,"usec":867884},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.188712,"noise_level":-27.482533,"freq_skew":-2.097902,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[102,226,153,163]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61009,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[113,111,101,225]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":22,"sec":21}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734143,"usec":615610},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518189,"noise_level":-27.697954,"freq_skew":0.631420,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734143,"usec":618236},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.146368,"noise_level":-27.530987,"freq_skew":0.662743,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734143,"usec":619579},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738270,"noise_level":-27.448692,"freq_skew":0.410376,"avlc":{"src":{"addr":"34838B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":502,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30685,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[136,184,118,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734144,"usec":381548},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472069,"noise_level":-27.246304,"freq_skew":0.475413,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":1828,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734144,"usec":383883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.380082,"noise_level":-27.087723,"freq_skew":-1.936088,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734144,"usec":386169},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158946,"noise_level":-26.951296,"freq_skew":-2.034165,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734144,"usec":393717},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.335067,"noise_level":-26.760048,"freq_skew":2.072163,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734145,"usec":155129},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635243,"noise_level":-26.535976,"freq_skew":-1.497517,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[38,161,55,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734145,"usec":157016},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.564903,"noise_level":-26.701414,"freq_skew":1.877938,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":612,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1561,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[83,120,198,58]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1561,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[253,72,13,183]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":22,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734145,"usec":157915},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705471,"noise_level":-26.663918,"freq_skew":0.160632,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734145,"usec":903689},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.208479,"noise_level":-26.460535,"freq_skew":0.867544,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11989A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"5Y","blk_id":"0","ack":"!","flight":"TP1369","msg_num":"M47","msg_num_seq":"A","msg_text":"---2134  50N 443751,W  53300,35003,  501250,MS46,332, 48,272,202218,11200"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734145,"usec":910949},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.779434,"noise_level":-26.120079,"freq_skew":-3.244663,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"8","ack":"F","flight":"IB0657","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734146,"usec":670712},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.809156,"noise_level":-25.946110,"freq_skew":2.117338,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":613,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":79,"dst_ref":43373,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[125,245,189,57]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734146,"usec":675698},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.271021,"noise_level":-25.792463,"freq_skew":1.194585,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2026,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[108,214]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734147,"usec":429141},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.365842,"noise_level":-25.575220,"freq_skew":-2.201367,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734147,"usec":434722},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566909,"noise_level":-25.363277,"freq_skew":-0.102575,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":837,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43340,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[66,30,122,43]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43340,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[66,119,49,233]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":22,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734147,"usec":437335},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547150,"noise_level":-25.315094,"freq_skew":2.046022,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734148,"usec":189694},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646197,"noise_level":-25.235376,"freq_skew":1.207369,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[3,5,128,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734148,"usec":190190},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870198,"noise_level":-25.203695,"freq_skew":0.306089,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251027","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,65,80,0,73,82,23,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734148,"usec":203307},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403386,"noise_level":-24.908333,"freq_skew":-1.176136,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[58,145,123,96]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43286,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,225,143,142]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":22,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734148,"usec":203307},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.403386,"noise_level":-24.908333,"freq_skew":-1.176136,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[38,161,55,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734148,"usec":950918},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.184282,"noise_level":-25.212862,"freq_skew":-0.200539,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734148,"usec":953618},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134120,"noise_level":-25.055992,"freq_skew":1.946868,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734149,"usec":718431},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.217134,"noise_level":-24.780577,"freq_skew":-2.191509,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-1.700000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734149,"usec":719569},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.329293,"noise_level":-24.720539,"freq_skew":-1.334322,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734149,"usec":720258},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.614177,"noise_level":-24.690678,"freq_skew":0.443718,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"503E68","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734149,"usec":720366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-11.171061,"noise_level":-24.690678,"freq_skew":0.530017,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734149,"usec":723894},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576087,"noise_level":-24.684933,"freq_skew":-2.135690,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"X90318","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734149,"usec":723894},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.576087,"noise_level":-24.684933,"freq_skew":-2.135690,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24037150","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,86,68,0,80,62,104,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734149,"usec":725463},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695888,"noise_level":-24.690620,"freq_skew":0.640740,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"503E68","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"24037150","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734149,"usec":726972},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137877,"noise_level":-24.675730,"freq_skew":0.638037,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":44.600002,"lon":-5.500000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734149,"usec":726972},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.137877,"noise_level":-24.675730,"freq_skew":0.638037,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"TP1369","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734149,"usec":726972},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-5.137877,"noise_level":-24.675730,"freq_skew":0.638037,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251317","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,207,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734150,"usec":481884},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.423224,"noise_level":-24.455345,"freq_skew":0.425447,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"503E68","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734150,"usec":482938},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921374,"noise_level":-25.034107,"freq_skew":-2.201605,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734151,"usec":238287},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854942,"noise_level":-24.865185,"freq_skew":0.221700,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":654,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[147,148,181,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734151,"usec":239595},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.264606,"noise_level":-24.804564,"freq_skew":0.627343,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734151,"usec":240059},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.882742,"noise_level":-24.789474,"freq_skew":-1.569249,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":735,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734151,"usec":240778},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515809,"noise_level":-25.792343,"freq_skew":1.438730,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[3,5,128,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734151,"usec":241399},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.171215,"noise_level":-25.775436,"freq_skew":0.502115,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734151,"usec":248696},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.949155,"noise_level":-25.971767,"freq_skew":1.859349,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3726,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[43,10]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734151,"usec":999155},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.514661,"noise_level":-25.920097,"freq_skew":-0.481124,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":397,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734152,"usec":3907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.954265,"noise_level":-25.632971,"freq_skew":-1.875898,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734152,"usec":767966},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.170881,"noise_level":-25.387270,"freq_skew":0.296098,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"43","blk_id":"9","ack":"!","flight":"TP19UT","msg_num":"M04","msg_num_seq":"A","msg_text":"TOC,202231,29656,2116,411.5, 4640,N4023.21,W00443.07"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734152,"usec":768125},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-9.488167,"noise_level":-25.387270,"freq_skew":0.349740,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734152,"usec":776890},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388964,"noise_level":-25.164055,"freq_skew":-0.269236,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":838,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43340,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[80,139,97,194]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":22,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734152,"usec":777249},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.068787,"noise_level":-25.148331,"freq_skew":-1.246654,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":443,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43286,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[139,149,50,164]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":22,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734153,"usec":520489},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391215,"noise_level":-25.488558,"freq_skew":-0.398548,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":839,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61031,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[0,139,129,141]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":22,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734153,"usec":521964},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.057058,"noise_level":-25.391066,"freq_skew":0.435781,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":287,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734153,"usec":522521},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.301048,"noise_level":-25.358812,"freq_skew":-0.119090,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":472,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734153,"usec":523013},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498401,"noise_level":-25.342730,"freq_skew":0.449123,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1539,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[159,136,75,57]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734153,"usec":523952},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368655,"noise_level":-25.278694,"freq_skew":-0.206374,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":840,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":89,"dst_ref":43340,"variable_part_params":[{"name":"atn_checksum","value":[134,173,152,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734153,"usec":524529},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.502836,"noise_level":-25.262758,"freq_skew":0.460030,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":2116,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734154,"usec":284496},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.321965,"noise_level":-25.973896,"freq_skew":0.554159,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"503E68","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734154,"usec":285206},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.075944,"noise_level":-25.939407,"freq_skew":-0.196670,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734154,"usec":286471},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.245888,"noise_level":-25.870836,"freq_skew":0.652028,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734154,"usec":286738},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.247160,"noise_level":-26.266556,"freq_skew":0.644104,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734154,"usec":286927},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.748069,"noise_level":-26.248703,"freq_skew":-1.477826,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734154,"usec":289279},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.035874,"noise_level":-26.142351,"freq_skew":-0.308216,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":841,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61031,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[51,38,138,95]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734154,"usec":293380},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.019618,"noise_level":-26.019897,"freq_skew":-1.752029,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734155,"usec":53653},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657068,"noise_level":-25.864952,"freq_skew":-1.269854,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734155,"usec":64805},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.105562,"noise_level":-25.612698,"freq_skew":-1.177690,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[143,94,173,11]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734155,"usec":807642},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176052,"noise_level":-25.612698,"freq_skew":0.395622,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734156,"usec":580259},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.207046,"noise_level":-24.973778,"freq_skew":-3.112616,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"_d","blk_id":"8","ack":"A","flight":"IB04LY","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734156,"usec":581640},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.645918,"noise_level":-25.650665,"freq_skew":0.586942,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":2182,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734156,"usec":581977},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.130302,"noise_level":-26.499235,"freq_skew":1.630363,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":793,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734157,"usec":338753},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563104,"noise_level":-26.317587,"freq_skew":0.673184,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"503E68","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734157,"usec":341328},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.208502,"noise_level":-26.157288,"freq_skew":0.434265,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734157,"usec":342142},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.113070,"noise_level":-26.104507,"freq_skew":-3.209000,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"IB04LY","msg_num":"F06","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734157,"usec":345030},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656543,"noise_level":-26.086983,"freq_skew":0.636378,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734157,"usec":345767},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090748,"noise_level":-26.052044,"freq_skew":-0.274653,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":841,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61031,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[51,38,138,95]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734157,"usec":347713},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.095380,"noise_level":-25.965302,"freq_skew":-2.915596,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":52,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[118,82,182,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734158,"usec":92438},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.997471,"noise_level":-25.913670,"freq_skew":-2.044581,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734158,"usec":93224},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.072567,"noise_level":-25.862343,"freq_skew":1.029318,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734158,"usec":98524},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.393762,"noise_level":-25.626751,"freq_skew":1.141931,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2027,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[143,92]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734158,"usec":860463},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.050154,"noise_level":-25.365101,"freq_skew":-0.408921,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":842,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61031,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[136,242,188,10]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61031,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[161,178,73,158]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":22,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734159,"usec":622929},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683042,"noise_level":-24.818819,"freq_skew":1.706471,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":793,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734160,"usec":389072},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758920,"noise_level":-25.264008,"freq_skew":1.964640,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-8.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734160,"usec":392244},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.217157,"noise_level":-25.200548,"freq_skew":0.590629,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734160,"usec":393704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.978044,"noise_level":-25.168993,"freq_skew":1.434703,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734160,"usec":396378},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087029,"noise_level":-25.940899,"freq_skew":1.923885,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"U292QR","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734160,"usec":396378},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.087029,"noise_level":-25.940899,"freq_skew":1.923885,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20053061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,86,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734161,"usec":142213},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.821325,"noise_level":-25.787344,"freq_skew":2.148080,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":812,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":79,"dst_ref":1599,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[204,42,77,49]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734161,"usec":146841},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.164000,"noise_level":-25.703194,"freq_skew":1.615018,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734161,"usec":908834},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667236,"noise_level":-25.358408,"freq_skew":1.454392,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":813,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1599,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[183,42,20,70]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":22,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734161,"usec":908973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-10.226483,"noise_level":-25.358408,"freq_skew":1.965887,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734162,"usec":667710},"freq":136975000,"burst_len_octets":150,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324100,"noise_level":-25.026783,"freq_skew":-3.335754,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"IB04LY","msg_num":"F07","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN41016W002129,N40595W002219,202235,198,N41035W002042,202330,PISUS,M10,29626,109/TS202235,07282578B1"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734163,"usec":428756},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.239789,"noise_level":-24.677542,"freq_skew":1.460040,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734163,"usec":438718},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958119,"noise_level":-24.370483,"freq_skew":1.502233,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":874,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[98,20,83,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734164,"usec":189479},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.501073,"noise_level":-24.512882,"freq_skew":-3.390730,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734164,"usec":191112},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.364763,"noise_level":-24.425697,"freq_skew":0.708194,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734164,"usec":194104},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.551385,"noise_level":-24.339380,"freq_skew":0.672524,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33825,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[44,69,236,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734164,"usec":954409},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.739980,"noise_level":-24.554682,"freq_skew":-1.994713,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[86,237,160,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734165,"usec":709968},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.248612,"noise_level":-24.181293,"freq_skew":0.480921,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734165,"usec":710115},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.314714,"noise_level":-24.181293,"freq_skew":1.484349,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":814,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[49,208,177,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734165,"usec":712585},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553188,"noise_level":-24.673756,"freq_skew":-2.892500,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":50,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734165,"usec":716117},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.539515,"noise_level":-24.570236,"freq_skew":-0.207231,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":689,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30757,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[29,104]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734165,"usec":718086},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.552052,"noise_level":-24.526249,"freq_skew":1.336944,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.100002,"lon":-4.200000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734166,"usec":474719},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.126784,"noise_level":-25.610115,"freq_skew":1.566040,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734166,"usec":477210},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517087,"noise_level":-25.478554,"freq_skew":1.186760,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EINN"},{"name":"ac_location","value":{"loc":{"lat":39.799999,"lon":-2.000000},"alt":35000}},{"name":"alternate_ground_stations","value":["119A8A","1199BA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734166,"usec":483371},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319396,"noise_level":-25.268932,"freq_skew":0.680694,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ESSA"},{"name":"ac_location","value":{"loc":{"lat":38.600002,"lon":-3.300000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734167,"usec":243127},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479010,"noise_level":-25.142401,"freq_skew":0.665720,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":553,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[232,185,68,20]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734167,"usec":244737},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958747,"noise_level":-25.064247,"freq_skew":1.334115,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221513","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,75,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734167,"usec":248958},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538543,"noise_level":-24.894741,"freq_skew":1.102350,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[160,125]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":1030},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661582,"noise_level":-24.979160,"freq_skew":0.520124,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33825,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[44,69,236,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":1939},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905942,"noise_level":-24.933054,"freq_skew":-2.104411,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[86,77,150,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":10625},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479589,"noise_level":-24.631788,"freq_skew":1.894535,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":38.700001,"lon":-5.200000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":11153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440320,"noise_level":-24.631788,"freq_skew":2.044270,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":761730},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256872,"noise_level":-24.616995,"freq_skew":0.681167,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":761798},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.069065,"noise_level":-24.616995,"freq_skew":0.712057,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":2472,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":9,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":761946},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638017,"noise_level":-24.616995,"freq_skew":1.650761,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":633,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[73,36]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":762167},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690959,"noise_level":-24.624405,"freq_skew":1.401171,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":769084},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.968197,"noise_level":-24.405304,"freq_skew":-0.212648,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":772435},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432390,"noise_level":-24.319187,"freq_skew":1.829364,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"U253LM","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734168,"usec":772435},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.432390,"noise_level":-24.319187,"freq_skew":1.829364,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734169,"usec":528373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.786796,"noise_level":-24.290672,"freq_skew":1.677987,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734169,"usec":529213},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622900,"noise_level":-25.169533,"freq_skew":0.616008,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":554,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30693,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[217,188,227,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734169,"usec":529421},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451522,"noise_level":-25.169533,"freq_skew":-2.451729,"avlc":{"src":{"addr":"342090","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734169,"usec":537107},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.109306,"noise_level":-24.967152,"freq_skew":1.775294,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.299999,"lon":-3.000000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734169,"usec":538608},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532670,"noise_level":-24.905815,"freq_skew":1.895500,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734169,"usec":538704},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991870,"noise_level":-24.905815,"freq_skew":1.353235,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734169,"usec":539799},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.365876,"noise_level":-24.875309,"freq_skew":1.520581,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"TP048M","msg_num":"M96","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734169,"usec":539799},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.365876,"noise_level":-24.875309,"freq_skew":1.520581,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251230","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,65,80,0,73,82,152,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734170,"usec":289723},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.756947,"noise_level":-24.799511,"freq_skew":1.127878,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":784,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[240,167,171,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734170,"usec":290343},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.041743,"noise_level":-24.769375,"freq_skew":1.490517,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734171,"usec":51627},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596708,"noise_level":-24.372465,"freq_skew":1.435625,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":814,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[49,208,177,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734171,"usec":811930},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.597288,"noise_level":-23.979156,"freq_skew":1.497440,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734171,"usec":813059},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.849010,"noise_level":-24.398758,"freq_skew":1.481998,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":815,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[134,157,227,12]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1599,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[25,102,231,232]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":22,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734171,"usec":813527},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155030,"noise_level":-25.173281,"freq_skew":1.555163,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734171,"usec":817073},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574808,"noise_level":-25.048126,"freq_skew":1.301965,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":289,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[147,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734172,"usec":578632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.941324,"noise_level":-24.924753,"freq_skew":1.471295,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734173,"usec":330986},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.163309,"noise_level":-24.535469,"freq_skew":1.628165,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734174,"usec":104303},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287942,"noise_level":-23.982426,"freq_skew":1.715369,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734174,"usec":104888},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635103,"noise_level":-23.968697,"freq_skew":1.071963,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[93,22]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734174,"usec":105621},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.908014,"noise_level":-24.131853,"freq_skew":1.341722,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.100002,"lon":-4.200000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734174,"usec":108602},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.132421,"noise_level":-24.076122,"freq_skew":0.355957,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":655,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734174,"usec":861285},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.363122,"noise_level":-24.082243,"freq_skew":1.943210,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734174,"usec":862033},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.111904,"noise_level":-24.068356,"freq_skew":1.186805,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"VY33KE","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734174,"usec":862033},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.111904,"noise_level":-24.068356,"freq_skew":1.186805,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734174,"usec":863170},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513140,"noise_level":-24.918348,"freq_skew":0.640104,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ESSA"},{"name":"ac_location","value":{"loc":{"lat":38.600002,"lon":-3.300000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734175,"usec":620572},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.361836,"noise_level":-24.647196,"freq_skew":0.471342,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SIS","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"SK1818","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734175,"usec":620572},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.361836,"noise_level":-24.647196,"freq_skew":0.471342,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126607","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,76,173,135,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734175,"usec":620747},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945339,"noise_level":-24.647196,"freq_skew":-0.073069,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":732,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[17,152,112,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734175,"usec":623078},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788220,"noise_level":-25.631144,"freq_skew":0.833732,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":75,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734175,"usec":627968},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.060164,"noise_level":-25.499268,"freq_skew":1.407357,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"GMAD"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["129F1A","1192CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734176,"usec":381065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.146811,"noise_level":-25.305134,"freq_skew":0.662829,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734176,"usec":381965},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.036715,"noise_level":-25.916403,"freq_skew":-1.467879,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43314,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[191,199,109,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734176,"usec":381965},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.036715,"noise_level":-25.916403,"freq_skew":-1.467879,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":307,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43314,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[70,212,166,136]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"commanded-termination"}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734176,"usec":386655},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520789,"noise_level":-25.763279,"freq_skew":-2.264280,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-1.900000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734176,"usec":387789},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.802327,"noise_level":-25.746429,"freq_skew":0.536601,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734177,"usec":146061},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.191923,"noise_level":-25.646017,"freq_skew":1.605474,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734177,"usec":147431},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.076720,"noise_level":-25.579716,"freq_skew":1.320706,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124325","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,213,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734177,"usec":153791},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.278597,"noise_level":-25.367664,"freq_skew":-0.301233,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":398,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[179,133,75,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734177,"usec":155808},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.959266,"noise_level":-25.986177,"freq_skew":1.187320,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENJ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR02SM","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734177,"usec":911748},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.174256,"noise_level":-25.831829,"freq_skew":0.367768,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":655,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734177,"usec":911964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.882240,"noise_level":-25.952389,"freq_skew":-1.778169,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734177,"usec":918448},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.144766,"noise_level":-25.815584,"freq_skew":1.278486,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"VY33KE","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734177,"usec":918448},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.144766,"noise_level":-25.815584,"freq_skew":1.278486,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734177,"usec":920968},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.528813,"noise_level":-26.526052,"freq_skew":1.319629,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734178,"usec":664381},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.776050,"noise_level":-26.452711,"freq_skew":0.598241,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734178,"usec":667393},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.104980,"noise_level":-26.307859,"freq_skew":1.391149,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734178,"usec":670201},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.343074,"noise_level":-26.272022,"freq_skew":-0.204796,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":732,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[17,152,112,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734179,"usec":436651},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.281586,"noise_level":-26.670464,"freq_skew":1.206703,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734179,"usec":441298},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.609890,"noise_level":-26.503582,"freq_skew":0.546664,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":2799,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734179,"usec":442669},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.702952,"noise_level":-26.466927,"freq_skew":1.999684,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":614,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734180,"usec":191701},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.812982,"noise_level":-26.430428,"freq_skew":-1.652981,"avlc":{"src":{"addr":"345206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":43314,"variable_part_params":[{"name":"atn_checksum","value":[192,147,44,20]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734180,"usec":192839},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767778,"noise_level":-26.375965,"freq_skew":1.135202,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734180,"usec":196602},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.172114,"noise_level":-26.214598,"freq_skew":-0.485916,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":398,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[179,133,75,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734180,"usec":199195},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.899376,"noise_level":-26.126225,"freq_skew":0.676408,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43197,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[228,20,132,169]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734180,"usec":957395},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.293724,"noise_level":-25.764582,"freq_skew":0.629623,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734181,"usec":720403},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.501901,"noise_level":-25.401207,"freq_skew":0.616889,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[213,14,237,34]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734182,"usec":478836},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.272718,"noise_level":-25.130470,"freq_skew":1.726284,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":794,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[103,9,252,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734182,"usec":487487},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.566547,"noise_level":-25.927946,"freq_skew":0.457676,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":2799,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734182,"usec":488340},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.390386,"noise_level":-26.242889,"freq_skew":0.701276,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734183,"usec":241105},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.763596,"noise_level":-26.031612,"freq_skew":0.385860,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7351,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[204,39]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734183,"usec":247157},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.335298,"noise_level":-26.931211,"freq_skew":0.807250,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":80},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.979222,"noise_level":-26.816223,"freq_skew":0.663505,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":3752},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.451359,"noise_level":-26.627893,"freq_skew":0.680193,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"503E68","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[4,8,21,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":6244},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.553686,"noise_level":-26.535240,"freq_skew":1.515359,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-4.400000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":6500},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594627,"noise_level":-27.511116,"freq_skew":-2.130026,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":196,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[189,9,121,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":7106},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.951651,"noise_level":-27.490517,"freq_skew":1.395705,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":768370},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.919278,"noise_level":-27.207134,"freq_skew":1.844838,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"U268FY","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":768370},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.919278,"noise_level":-27.207134,"freq_skew":1.844838,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20065621","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,107,145,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":769303},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.464429,"noise_level":-27.635267,"freq_skew":0.632246,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[37,198,142,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":776098},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.466588,"noise_level":-27.387774,"freq_skew":1.797004,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":794,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[103,9,252,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":776277},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369344,"noise_level":-27.387774,"freq_skew":0.690838,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"503E68","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734184,"usec":776370},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745440,"noise_level":-27.387774,"freq_skew":-2.339913,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-1.900000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734185,"usec":528416},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487348,"noise_level":-27.166937,"freq_skew":2.208424,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734185,"usec":528865},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.153297,"noise_level":-27.147137,"freq_skew":-2.179348,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"X90318","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734185,"usec":528865},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.153297,"noise_level":-27.147137,"freq_skew":-2.179348,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24037150","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,86,68,0,80,62,104,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734185,"usec":533830},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.078341,"noise_level":-26.970936,"freq_skew":0.664026,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734186,"usec":286269},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.922948,"noise_level":-26.836319,"freq_skew":1.835906,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734186,"usec":292363},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.403631,"noise_level":-26.591722,"freq_skew":0.683863,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[80,45,205,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734186,"usec":296256},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.821764,"noise_level":-26.426332,"freq_skew":0.684459,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":76,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,118,92,229]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734187,"usec":48176},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.816954,"noise_level":-27.047346,"freq_skew":1.820578,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734187,"usec":53753},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.276061,"noise_level":-26.815836,"freq_skew":0.648213,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19196,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":3,"variable_part_params":[{"name":"checksum","value":[43,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734187,"usec":54776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.133272,"noise_level":-26.777843,"freq_skew":0.647188,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734187,"usec":813239},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616836,"noise_level":-26.608906,"freq_skew":0.555577,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[37,198,142,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734187,"usec":820833},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.599890,"noise_level":-27.263336,"freq_skew":1.422046,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":875,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[48,195,137,13]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734188,"usec":569471},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.255696,"noise_level":-26.909832,"freq_skew":-2.261662,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"X90318","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734188,"usec":570612},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.550992,"noise_level":-26.852291,"freq_skew":0.161692,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734188,"usec":570712},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.516372,"noise_level":-26.852291,"freq_skew":-2.363917,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24037150","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,86,68,0,80,62,104,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734188,"usec":571457},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.151291,"noise_level":-26.833193,"freq_skew":0.702989,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734188,"usec":574416},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.239936,"noise_level":-26.738335,"freq_skew":1.349246,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"VY33KE","msg_num":"F10","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/TS202306,072825/DTLEMG,12O,98,212506,116/FNVLG33KE5A0E"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734188,"usec":574703},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.049082,"noise_level":-26.738335,"freq_skew":0.596491,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53013,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734188,"usec":575429},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581961,"noise_level":-26.700680,"freq_skew":1.641746,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":794,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[103,9,252,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734189,"usec":335402},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.946870,"noise_level":-27.239731,"freq_skew":1.319796,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":756,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734189,"usec":336984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.666459,"noise_level":-27.160137,"freq_skew":-2.046357,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734189,"usec":340638},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.227103,"noise_level":-26.983673,"freq_skew":0.682893,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734189,"usec":341737},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724376,"noise_level":-26.925640,"freq_skew":1.609777,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":320,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60999,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[242,148,194,216]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734189,"usec":342252},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413702,"noise_level":-26.906384,"freq_skew":0.638443,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"5Y","blk_id":"4","ack":"!","flight":"TP0646","msg_num":"M13","msg_num_seq":"A","msg_text":"---2231  67N 401355,W  71958,31985,  437750,MS40,309, 31,264,202306,14960"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734189,"usec":342605},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.448912,"noise_level":-26.887167,"freq_skew":0.675635,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734189,"usec":344576},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.655029,"noise_level":-26.791721,"freq_skew":0.673958,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":426,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":101916},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.313546,"noise_level":-26.734951,"freq_skew":0.565008,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19196,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":3,"variable_part_params":[{"name":"checksum","value":[43,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":102321},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.259702,"noise_level":-26.734951,"freq_skew":0.675933,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53015,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":103550},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672911,"noise_level":-26.659832,"freq_skew":-2.180197,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":104305},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304499,"noise_level":-26.622515,"freq_skew":1.522796,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":104939},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.225427,"noise_level":-26.603918,"freq_skew":0.559307,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53016,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":108905},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.628403,"noise_level":-26.623049,"freq_skew":1.922230,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":611,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":855333},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.873266,"noise_level":-26.457066,"freq_skew":0.269638,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7352,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[143,184]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":858402},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.723959,"noise_level":-26.330128,"freq_skew":1.036234,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":555,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43233,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[92,149,250,182]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43233,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[100,225,198,103]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":23,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":859959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.419670,"noise_level":-26.276287,"freq_skew":0.649971,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":860936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.360440,"noise_level":-27.013083,"freq_skew":0.527210,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734190,"usec":863373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.120803,"noise_level":-26.897011,"freq_skew":0.607516,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734191,"usec":620085},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687799,"noise_level":-26.945238,"freq_skew":1.287464,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[118,112]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734191,"usec":622578},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.723538,"noise_level":-26.830063,"freq_skew":0.600366,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734192,"usec":384712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.606737,"noise_level":-26.420364,"freq_skew":0.712015,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734192,"usec":388183},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.400414,"noise_level":-26.293957,"freq_skew":2.300917,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":346,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":3,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[253,114,178,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734192,"usec":391503},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405639,"noise_level":-27.090626,"freq_skew":0.689060,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"5Y","blk_id":"4","ack":"!","flight":"TP0646","msg_num":"M13","msg_num_seq":"A","msg_text":"---2231  67N 401355,W  71958,31985,  437750,MS40,309, 31,264,202306,14960"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734192,"usec":394036},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808711,"noise_level":-26.992929,"freq_skew":1.351748,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":263,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[128,240,113,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734193,"usec":144309},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831086,"noise_level":-26.954155,"freq_skew":1.435455,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60999,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[227,103,102,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734193,"usec":144809},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.128857,"noise_level":-26.934834,"freq_skew":1.742938,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"IB07HP","msg_num":"D74","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127079,1,1,TB000000/REP033,00,00,1/POSDMU,202300, 44.332,-  3.956,  4391,350\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734193,"usec":145526},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.368411,"noise_level":-26.896320,"freq_skew":0.690879,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53015,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734193,"usec":150931},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499267,"noise_level":-26.631393,"freq_skew":1.235548,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734193,"usec":913875},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459187,"noise_level":-26.248566,"freq_skew":2.381667,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":354,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734193,"usec":917367},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646651,"noise_level":-26.124613,"freq_skew":0.296010,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734194,"usec":671801},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.462821,"noise_level":-25.899012,"freq_skew":1.686520,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734194,"usec":672264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.429099,"noise_level":-26.070948,"freq_skew":0.624052,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734194,"usec":676920},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.217489,"noise_level":-25.932276,"freq_skew":0.494109,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734195,"usec":441977},"freq":136975000,"burst_len_octets":171,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.326390,"noise_level":-25.529070,"freq_skew":1.938097,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"81","blk_id":"0","ack":"!","flight":"U285XQ","msg_num":"M73","msg_num_seq":"A","msg_text":"HELLO AGAIN SEAN. IS THE\r\nRE ANY CHANCE YOU CAN CA\r\nLL ACE TO ARRANGE HOT TU\r\nRN. IF THATS POSSIBLE IT\r\nWOULD REALLY HELP.\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734195,"usec":443073},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756512,"noise_level":-25.529070,"freq_skew":0.568745,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":556,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43233,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[243,27,112,98]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":23,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734196,"usec":192182},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833770,"noise_level":-25.350342,"freq_skew":0.505344,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":557,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30693,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[159,158,45,236]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":23,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734196,"usec":195766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.367510,"noise_level":-25.206797,"freq_skew":0.463120,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734196,"usec":199009},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367712,"noise_level":-25.081161,"freq_skew":0.672933,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[0,33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734196,"usec":957021},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.539009,"noise_level":-24.957321,"freq_skew":-1.714123,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":736,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[73,71,172,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734196,"usec":957533},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658720,"noise_level":-25.287903,"freq_skew":0.640446,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[0,33,65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734196,"usec":958784},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.468126,"noise_level":-25.240133,"freq_skew":0.544518,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"_d","blk_id":"Z","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734196,"usec":959801},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.948075,"noise_level":-25.824478,"freq_skew":0.776800,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734196,"usec":968994},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.077144,"noise_level":-25.623020,"freq_skew":0.631944,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734198,"usec":478177},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.895129,"noise_level":-25.107586,"freq_skew":1.872538,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127215","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,141,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734198,"usec":483266},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816938,"noise_level":-24.952591,"freq_skew":0.524206,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":558,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":67,"dst_ref":43233,"variable_part_params":[{"name":"atn_checksum","value":[99,27,100,35]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734198,"usec":486784},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.741596,"noise_level":-24.830555,"freq_skew":1.633549,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKK","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR1509","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734199,"usec":243906},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.462612,"noise_level":-24.562088,"freq_skew":2.492145,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":591,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734199,"usec":244124},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.073119,"noise_level":-25.781958,"freq_skew":0.934952,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1418,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30747,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[79,64]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734199,"usec":244430},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.982951,"noise_level":-25.781958,"freq_skew":1.069276,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"8E","blk_id":"4","ack":"!","flight":"EC18MK","msg_num":"M76","msg_num_seq":"A","msg_text":"LPFR,2052"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734199,"usec":245166},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.280327,"noise_level":-25.980419,"freq_skew":1.537171,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734199,"usec":247417},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.674898,"noise_level":-25.911526,"freq_skew":0.537383,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734200,"usec":7506},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.290957,"noise_level":-26.080103,"freq_skew":0.648858,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734200,"usec":11352},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.136352,"noise_level":-25.975782,"freq_skew":0.660765,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":53,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1534,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[139,129,243,94]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1534,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,117,72,148]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":23,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734200,"usec":759623},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581885,"noise_level":-25.770828,"freq_skew":0.446085,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":3355,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734200,"usec":764209},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.277285,"noise_level":-25.603653,"freq_skew":0.638073,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734200,"usec":767443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.210783,"noise_level":-25.488512,"freq_skew":1.768956,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734201,"usec":523471},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737548,"noise_level":-25.993443,"freq_skew":0.592616,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734201,"usec":526255},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.906017,"noise_level":-25.873055,"freq_skew":2.268355,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734201,"usec":530051},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350513,"noise_level":-25.788074,"freq_skew":-0.462641,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":124,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734201,"usec":531726},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234149,"noise_level":-25.754314,"freq_skew":0.683574,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":54,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":52,"dst_ref":43377,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[52,160,191,221]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734202,"usec":285690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.444367,"noise_level":-25.505207,"freq_skew":1.759367,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734202,"usec":293374},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.703273,"noise_level":-25.231262,"freq_skew":-0.504030,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734203,"usec":62851},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.323880,"noise_level":-24.798080,"freq_skew":0.491653,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19221,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[250,18,80,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734203,"usec":811841},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.297396,"noise_level":-25.125563,"freq_skew":0.546971,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734203,"usec":812843},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.431143,"noise_level":-25.094278,"freq_skew":-0.363235,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":473,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734203,"usec":818284},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.611144,"noise_level":-25.681684,"freq_skew":1.481071,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":264,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[108,62,166,96]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734203,"usec":819545},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445750,"noise_level":-26.303551,"freq_skew":0.470631,"avlc":{"src":{"addr":"4073A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734204,"usec":570573},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183528,"noise_level":-26.178820,"freq_skew":0.772747,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6537,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[135,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734204,"usec":572007},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.195262,"noise_level":-26.171055,"freq_skew":0.736713,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734205,"usec":339076},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.937438,"noise_level":-26.325476,"freq_skew":0.100705,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":656,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[222,137,223,174]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1540,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[135,199,132,93]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":23,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734206,"usec":93082},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.677987,"noise_level":-25.921200,"freq_skew":2.643204,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734206,"usec":95408},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.701802,"noise_level":-26.968822,"freq_skew":0.506267,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"H1","blk_id":"L","ack":"!","sublabel":"MD","msg_text":"REQPOS037B\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734206,"usec":99011},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292905,"noise_level":-26.834238,"freq_skew":-2.147622,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"IB0591","msg_num":"D24","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,175910,1,1,TB000000/REP033,00,00,1/POSDMU,202316, 43.280,-  1.913,  4627,340\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734206,"usec":99476},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700326,"noise_level":-26.976280,"freq_skew":0.464935,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734206,"usec":99786},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.827685,"noise_level":-26.956909,"freq_skew":0.216354,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734206,"usec":865583},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.437926,"noise_level":-26.486164,"freq_skew":1.407541,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734206,"usec":867074},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486919,"noise_level":-26.486164,"freq_skew":0.732792,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":54,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":52,"dst_ref":43377,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[52,160,191,221]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734207,"usec":630810},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.191304,"noise_level":-26.340034,"freq_skew":-2.777999,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":53,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[143,2,26,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734207,"usec":631935},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.872936,"noise_level":-26.304064,"freq_skew":0.900742,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[220,208,62,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734208,"usec":381150},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657200,"noise_level":-25.969566,"freq_skew":0.927697,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734208,"usec":387998},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031549,"noise_level":-25.764759,"freq_skew":1.333808,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-4.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734209,"usec":144719},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.861681,"noise_level":-25.654430,"freq_skew":0.696091,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734209,"usec":146677},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.701534,"noise_level":-26.234465,"freq_skew":0.502451,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"H1","blk_id":"L","ack":"!","sublabel":"MD","msg_text":"REQPOS037B\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734209,"usec":147862},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491315,"noise_level":-26.726341,"freq_skew":0.868210,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1419,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[170,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734209,"usec":149432},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925013,"noise_level":-26.651297,"freq_skew":1.338134,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"_d","blk_id":"5","ack":"L","flight":"EC18MK","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734209,"usec":906781},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.804856,"noise_level":-26.428576,"freq_skew":0.651071,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"H1","blk_id":"M","ack":"!","sublabel":"MD","msg_text":"REQPRG,DT.PR.RP96AF\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734209,"usec":913939},"freq":136975000,"burst_len_octets":169,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358499,"noise_level":-26.159668,"freq_skew":1.251384,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"_d","blk_id":"6","ack":"M","flight":"EC18MK","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734209,"usec":913939},"freq":136975000,"burst_len_octets":169,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.358499,"noise_level":-26.159668,"freq_skew":1.251384,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"EC18MK","msg_num":"F39","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN39400W007248,N41446W007080,202327,370,ALAGU,203605,GENRO,M51,32130,774B78"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734210,"usec":671771},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.143720,"noise_level":-25.830585,"freq_skew":-1.915436,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734210,"usec":672473},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.290890,"noise_level":-26.112762,"freq_skew":0.652605,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734210,"usec":675904},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.323300,"noise_level":-26.350750,"freq_skew":0.419111,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734210,"usec":676195},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.943688,"noise_level":-26.350750,"freq_skew":0.460015,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"H1","blk_id":"N","ack":"!","sublabel":"MD","msg_text":"PWI/DD230351010.180322011.080310003.020045004.000120003FEEB\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734211,"usec":429729},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.110298,"noise_level":-26.613136,"freq_skew":1.172555,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"_d","blk_id":"8","ack":"N","flight":"EC18MK","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734211,"usec":432447},"freq":136975000,"burst_len_octets":179,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412827,"noise_level":-26.483913,"freq_skew":1.098664,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"EC18MK","msg_num":"F40","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPFR,28O,67,205229/PR1358,312,370,77,,0,5,,,60,,,P24,M6,37700,,1281,310/RP:DA:EGMC:AA:LPFR:A:ALAG7A:AP:ILSZ28.GEBTI(28O)334A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734212,"usec":193084},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.068627,"noise_level":-26.231094,"freq_skew":0.496327,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734212,"usec":195046},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.203815,"noise_level":-26.142555,"freq_skew":0.483772,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[74,137]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734212,"usec":198032},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.110311,"noise_level":-26.093493,"freq_skew":1.041413,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1419,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[170,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734212,"usec":201213},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.944173,"noise_level":-25.954464,"freq_skew":0.855128,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"5Y","blk_id":"3","ack":"!","flight":"TP1366","msg_num":"M15","msg_num_seq":"A","msg_text":"---2201  47N 423140,W  50513,34002,  387500,MS43,319, 41,233,202330,10560"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734212,"usec":954444},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.399516,"noise_level":-25.902897,"freq_skew":0.590816,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734212,"usec":960970},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.478464,"noise_level":-25.649551,"freq_skew":0.448666,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53031,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734212,"usec":961261},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.524196,"noise_level":-25.649551,"freq_skew":0.558747,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734212,"usec":965612},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.112254,"noise_level":-26.303551,"freq_skew":1.812410,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":597,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,3,76,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734213,"usec":715240},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.334237,"noise_level":-26.178820,"freq_skew":1.405974,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734213,"usec":723434},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.279031,"noise_level":-26.141150,"freq_skew":0.546510,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734213,"usec":725088},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510601,"noise_level":-26.105991,"freq_skew":0.941565,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[103,14]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734213,"usec":725668},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.447730,"noise_level":-26.105991,"freq_skew":0.467710,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33896,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[170,43,57,201]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734214,"usec":474477},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912826,"noise_level":-26.485422,"freq_skew":0.569136,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":289,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[43,126,125,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734214,"usec":477080},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.889733,"noise_level":-26.376150,"freq_skew":0.487327,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[88,221,40,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734214,"usec":478235},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.628335,"noise_level":-26.358070,"freq_skew":-1.387473,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":745,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734214,"usec":483115},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.056036,"noise_level":-26.454529,"freq_skew":0.890911,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734215,"usec":244856},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.185131,"noise_level":-26.167145,"freq_skew":0.716355,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F35","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734215,"usec":246806},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.093711,"noise_level":-26.114304,"freq_skew":0.710496,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734215,"usec":248179},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.122751,"noise_level":-26.376041,"freq_skew":1.473539,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":548,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[237,83,230,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734216,"usec":7454},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.281767,"noise_level":-25.917805,"freq_skew":1.278413,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":187,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,45,173,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734216,"usec":764239},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.236409,"noise_level":-26.027327,"freq_skew":0.440574,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":44.100002,"lon":-4.100000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734216,"usec":764239},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.236409,"noise_level":-26.027327,"freq_skew":0.440574,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EJCP","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"U269AT","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734216,"usec":764239},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.236409,"noise_level":-26.027327,"freq_skew":0.440574,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20077465","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,127,53,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734216,"usec":765467},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.591192,"noise_level":-25.992626,"freq_skew":0.992093,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-4.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734216,"usec":765913},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.099475,"noise_level":-25.975327,"freq_skew":1.614416,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734216,"usec":766347},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660183,"noise_level":-25.958061,"freq_skew":0.806656,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGHH"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734217,"usec":528357},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692187,"noise_level":-25.821167,"freq_skew":0.462556,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734217,"usec":529658},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.275184,"noise_level":-26.370373,"freq_skew":0.833072,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EVN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR14VB","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734217,"usec":530983},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.564516,"noise_level":-26.316282,"freq_skew":1.300413,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"VY33KE","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734217,"usec":533516},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.042415,"noise_level":-26.591438,"freq_skew":1.210066,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734217,"usec":533516},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.042415,"noise_level":-26.591438,"freq_skew":1.210066,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734217,"usec":534627},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.712657,"noise_level":-26.859299,"freq_skew":1.805838,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":849,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[247,73,14,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734217,"usec":535523},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407540,"noise_level":-26.821115,"freq_skew":0.797106,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124753","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,169,235,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734218,"usec":288062},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546110,"noise_level":-26.375561,"freq_skew":0.645158,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734218,"usec":288661},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.105381,"noise_level":-26.791862,"freq_skew":0.599949,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734219,"usec":49492},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.652662,"noise_level":-27.265915,"freq_skew":1.368055,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"VY33KE","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734219,"usec":51633},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.550073,"noise_level":-27.166241,"freq_skew":0.706840,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734219,"usec":53615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285088,"noise_level":-27.163336,"freq_skew":0.778365,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734219,"usec":55095},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.409610,"noise_level":-27.104095,"freq_skew":2.292545,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2486,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[222,66]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734219,"usec":56176},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991163,"noise_level":-27.045254,"freq_skew":0.156231,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":657,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1540,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[106,180,71,201]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":23,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734219,"usec":815916},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.352076,"noise_level":-26.737999,"freq_skew":0.672065,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734219,"usec":817545},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546900,"noise_level":-26.662853,"freq_skew":0.807332,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734219,"usec":822025},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.857358,"noise_level":-26.551342,"freq_skew":1.327909,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734220,"usec":579923},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667988,"noise_level":-26.967852,"freq_skew":0.117197,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734220,"usec":582113},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720164,"noise_level":-26.890699,"freq_skew":0.792458,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[118,200,67,240]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734221,"usec":339911},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.875316,"noise_level":-26.551758,"freq_skew":0.280085,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":658,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[82,41,218,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734222,"usec":96384},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.133667,"noise_level":-26.172348,"freq_skew":0.755352,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734222,"usec":872763},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.535695,"noise_level":-26.268387,"freq_skew":1.467807,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":717,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,43,87,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734222,"usec":873958},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618766,"noise_level":-26.250532,"freq_skew":2.020051,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[92,247,6,139]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734222,"usec":875824},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.289515,"noise_level":-26.197182,"freq_skew":0.424481,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43197,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[225,161,187,9]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":23,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734223,"usec":617470},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.150430,"noise_level":-26.091454,"freq_skew":-1.602738,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":661,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1473,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[164,189,129,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734223,"usec":617968},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.363332,"noise_level":-26.073956,"freq_skew":0.439074,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[2,73,70,84]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":8,"acked_credit":2}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734223,"usec":618179},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432735,"noise_level":-26.073956,"freq_skew":0.512055,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30749,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[198,20,8,244]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":23,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734224,"usec":384366},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.032924,"noise_level":-26.187424,"freq_skew":0.609748,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":57,"dst_ref":43197,"variable_part_params":[{"name":"atn_checksum","value":[203,168,146,141]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734224,"usec":384366},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.032924,"noise_level":-26.187424,"freq_skew":0.609748,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734224,"usec":387103},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939892,"noise_level":-26.064339,"freq_skew":0.370718,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[158,30,120,84]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734224,"usec":388483},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.874017,"noise_level":-26.029490,"freq_skew":2.111418,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734224,"usec":391994},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.290423,"noise_level":-25.891472,"freq_skew":1.191431,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[90,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734225,"usec":156804},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.783001,"noise_level":-25.506470,"freq_skew":2.069136,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[52,103,217,227]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734225,"usec":158783},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945872,"noise_level":-25.457487,"freq_skew":0.492314,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[243,234,170,254]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30749,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[203,155,91,88]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":23,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734225,"usec":160596},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.125556,"noise_level":-25.408781,"freq_skew":1.417736,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1430,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43283,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[20,86]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":23,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734225,"usec":160842},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.094092,"noise_level":-25.408781,"freq_skew":-0.218663,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":733,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[177,202,49,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734225,"usec":907978},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604391,"noise_level":-25.548094,"freq_skew":1.752497,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":717,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,43,87,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734226,"usec":665578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656593,"noise_level":-25.539246,"freq_skew":0.585190,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734227,"usec":433417},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.266382,"noise_level":-25.153486,"freq_skew":-0.451043,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[9,68,105,184]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734227,"usec":434187},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.231650,"noise_level":-26.084463,"freq_skew":1.462065,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734227,"usec":435489},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.205450,"noise_level":-26.032122,"freq_skew":1.398366,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734227,"usec":440084},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.644037,"noise_level":-25.825848,"freq_skew":0.930007,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DPF","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR03NM","msg_num":"M82","msg_num_seq":"A","msg_text":"202345,,2115, 103,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734227,"usec":441159},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.235000,"noise_level":-26.370148,"freq_skew":1.375656,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":16,"dst_ref":1600,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[4,56]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734228,"usec":191174},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722548,"noise_level":-26.280190,"freq_skew":1.269206,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":876,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734228,"usec":199214},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.149104,"noise_level":-25.929386,"freq_skew":0.519816,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734228,"usec":951818},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562916,"noise_level":-25.792940,"freq_skew":-0.445439,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734228,"usec":957253},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405388,"noise_level":-25.559196,"freq_skew":1.649273,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":38.799999,"lon":-5.200000},"alt":31000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734228,"usec":960033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659650,"noise_level":-25.444641,"freq_skew":1.319630,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734229,"usec":720674},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.006690,"noise_level":-25.331577,"freq_skew":1.797198,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"IB07HP","msg_num":"F68","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLEMD,32L,75,210851,042/FNIBE07HP/TS202347,2807254193"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734229,"usec":722543},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.993773,"noise_level":-25.776043,"freq_skew":0.899858,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734229,"usec":723340},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.819571,"noise_level":-25.759167,"freq_skew":1.288640,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":265,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734229,"usec":725097},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.249136,"noise_level":-25.692001,"freq_skew":0.671100,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"5Y","blk_id":"0","ack":"!","flight":"TP05AS","msg_num":"M73","msg_num_seq":"A","msg_text":"---2132  64N 421709,W  34019,35009,  451250,MS44,303, 31,265,202342,14280"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734230,"usec":483381},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511713,"noise_level":-25.526318,"freq_skew":-2.148395,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":754,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[57,6,159,113]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734231,"usec":246662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.340281,"noise_level":-25.469967,"freq_skew":1.674661,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734232,"usec":4009},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.434356,"noise_level":-26.117619,"freq_skew":0.699264,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53049,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734232,"usec":7432},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.294396,"noise_level":-25.960934,"freq_skew":-0.189501,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":474,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734232,"usec":10028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.943305,"noise_level":-26.610283,"freq_skew":-1.935521,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734232,"usec":10248},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778193,"noise_level":-27.424774,"freq_skew":0.689630,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734232,"usec":768982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.200297,"noise_level":-27.104046,"freq_skew":0.677696,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734233,"usec":526528},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.385666,"noise_level":-26.719105,"freq_skew":1.326929,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734233,"usec":531202},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.937033,"noise_level":-26.987461,"freq_skew":0.421842,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[251,62,142,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734234,"usec":288710},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630589,"noise_level":-26.663479,"freq_skew":2.637323,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":42.100002,"lon":-3.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734234,"usec":291811},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.093926,"noise_level":-26.551960,"freq_skew":-0.603014,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734234,"usec":292335},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.811889,"noise_level":-26.515102,"freq_skew":0.535431,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734234,"usec":297058},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168890,"noise_level":-26.333124,"freq_skew":2.748035,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"EC13NK","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734234,"usec":297058},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.168890,"noise_level":-26.333124,"freq_skew":2.748035,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000363","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,243,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734235,"usec":51851},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569615,"noise_level":-26.243546,"freq_skew":0.727563,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21000363","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734235,"usec":56178},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.135138,"noise_level":-26.049664,"freq_skew":0.162953,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":136,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734235,"usec":807638},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.078444,"noise_level":-25.792067,"freq_skew":0.031667,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734235,"usec":807866},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630505,"noise_level":-25.792067,"freq_skew":0.592759,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734235,"usec":808896},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.322303,"noise_level":-25.741453,"freq_skew":2.848871,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734235,"usec":815868},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738386,"noise_level":-25.607903,"freq_skew":1.562310,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2867,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23059,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[54,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734235,"usec":816664},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904797,"noise_level":-25.771969,"freq_skew":-0.442005,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734235,"usec":819389},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862515,"noise_level":-25.721472,"freq_skew":1.682170,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734236,"usec":576079},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.118228,"noise_level":-25.571712,"freq_skew":2.602924,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734236,"usec":577563},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.125219,"noise_level":-26.113207,"freq_skew":-3.552944,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"1C","blk_id":"9","ack":"!","flight":"IB0657","msg_num":"M13","msg_num_seq":"A","msg_text":"IB0719.28.07/15././\r\n07/15././\r\n142192/GAMONEDA\r\nB.NOCHES.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734236,"usec":578471},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.297625,"noise_level":-26.095667,"freq_skew":0.745893,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[251,62,142,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734237,"usec":332196},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418295,"noise_level":-25.836723,"freq_skew":1.595948,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":38.799999,"lon":-5.200000},"alt":31000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734238,"usec":102135},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.139524,"noise_level":-25.276880,"freq_skew":1.994717,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":615,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1561,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[198,160,78,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734238,"usec":105490},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.654030,"noise_level":-25.150234,"freq_skew":0.603928,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":4428,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734238,"usec":860970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.177164,"noise_level":-25.038919,"freq_skew":1.447200,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734239,"usec":629015},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977013,"noise_level":-25.730225,"freq_skew":-0.544308,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734239,"usec":635063},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452397,"noise_level":-25.547352,"freq_skew":0.452225,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734240,"usec":386316},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.265798,"noise_level":-25.497623,"freq_skew":2.032751,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":635,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734240,"usec":387097},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718486,"noise_level":-25.448689,"freq_skew":1.972430,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3727,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[43,10]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734241,"usec":139645},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.251585,"noise_level":-25.082424,"freq_skew":2.163579,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5553,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[205,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734241,"usec":143629},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401137,"noise_level":-25.612734,"freq_skew":0.398749,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":278,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734241,"usec":144271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581619,"noise_level":-25.612734,"freq_skew":-3.336297,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734241,"usec":147918},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574718,"noise_level":-25.545135,"freq_skew":-0.010887,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":734,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734241,"usec":913969},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212320,"noise_level":-25.465193,"freq_skew":-0.553347,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.900002,"lon":-1.200000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734241,"usec":919662},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.413883,"noise_level":-25.319752,"freq_skew":1.837749,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734242,"usec":675912},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.571355,"noise_level":-25.176708,"freq_skew":-0.725368,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,253,220,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734242,"usec":676127},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.681166,"noise_level":-25.176708,"freq_skew":0.693989,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[0,43,210,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734243,"usec":427764},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.773452,"noise_level":-25.603760,"freq_skew":-1.731637,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":737,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[13,76,16,210]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734243,"usec":439275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.233324,"noise_level":-25.183578,"freq_skew":-0.434421,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734244,"usec":193409},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.231890,"noise_level":-25.183578,"freq_skew":0.671212,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734244,"usec":194387},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.827711,"noise_level":-25.862434,"freq_skew":1.830052,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1646,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[233,61]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734244,"usec":201019},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.951049,"noise_level":-25.560682,"freq_skew":1.963385,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3727,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[43,10]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734244,"usec":206079},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686921,"noise_level":-25.903744,"freq_skew":-0.041250,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":734,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734244,"usec":955597},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.502795,"noise_level":-25.801508,"freq_skew":0.321999,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734244,"usec":959587},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.101295,"noise_level":-25.567535,"freq_skew":1.777735,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":38.799999,"lon":-5.200000},"alt":31000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734245,"usec":716624},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.370943,"noise_level":-25.307638,"freq_skew":1.956858,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"U253LM","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734245,"usec":716624},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.370943,"noise_level":-25.307638,"freq_skew":1.956858,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734245,"usec":717226},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402981,"noise_level":-25.275690,"freq_skew":0.684256,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1539,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[159,136,75,57]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734245,"usec":717571},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.264060,"noise_level":-25.259762,"freq_skew":2.065073,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5554,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[132,44]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734246,"usec":476981},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.144720,"noise_level":-24.901217,"freq_skew":0.231684,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-8.000000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734246,"usec":482449},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757523,"noise_level":-24.764847,"freq_skew":0.484109,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734247,"usec":242226},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403049,"noise_level":-25.015816,"freq_skew":-0.596191,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-GTS","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"TP38KJ","msg_num":"D03","msg_num_seq":"A","sublabel":"DF","msg_text":"A02/A32002,1,1/CC9H-GTS,JUL28,195824,LPPT,LEBL,0038/C106,64302,5000,45,0010,0,0100,45,X/CEN102,29991,271,720,5911,319,I21010/CNN101,30006,271,721,5911,319/EC015518,39411,25437,73,07,07/EE015508,39772,25708,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734247,"usec":247585},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.593707,"noise_level":-24.862434,"freq_skew":-1.896384,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[233,10,157,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734247,"usec":248046},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.980404,"noise_level":-25.964203,"freq_skew":1.786831,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":678,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[29,236,153,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734247,"usec":249434},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.805310,"noise_level":-25.895435,"freq_skew":1.393107,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":679,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[69,86,126,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734247,"usec":252695},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.180165,"noise_level":-25.810240,"freq_skew":0.069900,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U235GQ","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734247,"usec":252695},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.180165,"noise_level":-25.810240,"freq_skew":0.069900,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20060025","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,96,21,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734248,"usec":2811},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.403324,"noise_level":-25.759518,"freq_skew":0.570698,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":10,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[202,111,83,95]},{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":8,"acked_credit":4}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734248,"usec":3005},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.896256,"noise_level":-25.759518,"freq_skew":0.658813,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20060025","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734248,"usec":4694},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469061,"noise_level":-26.278435,"freq_skew":-0.520175,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-GTS","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"TP38KJ","msg_num":"D03","msg_num_seq":"B","sublabel":"DF","msg_text":"73/N11214,1214,3922,0773,0849,1217,08949/N21214,1214,3894,0772,0850,1213,10030/S114547,0681,1356,4135,07610,059/S214361,0664,1343,4112,07591,060/T1097,083,00,027,38,181,06168,N077/T2098,083,00,019,40,186,06"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734248,"usec":9080},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.062806,"noise_level":-26.895407,"freq_skew":1.678217,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734248,"usec":12229},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.866514,"noise_level":-26.799870,"freq_skew":1.939702,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":598,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[201,114,11,120]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734248,"usec":762577},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.045165,"noise_level":-26.630508,"freq_skew":1.743634,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"U253LM","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734248,"usec":763278},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.307122,"noise_level":-26.593315,"freq_skew":-1.853842,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734248,"usec":764336},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.166965,"noise_level":-27.368181,"freq_skew":1.761344,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734248,"usec":767977},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.403263,"noise_level":-27.267330,"freq_skew":0.460109,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734248,"usec":770926},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.382813,"noise_level":-27.797859,"freq_skew":0.376068,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734249,"usec":522164},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.565579,"noise_level":-27.734144,"freq_skew":0.554145,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20060025","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734249,"usec":530384},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.705324,"noise_level":-28.036858,"freq_skew":1.617826,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734250,"usec":289021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.549002,"noise_level":-28.014975,"freq_skew":0.333847,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734250,"usec":289641},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.015248,"noise_level":-27.971373,"freq_skew":-0.394480,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.900002,"lon":-1.200000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734250,"usec":294869},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.275075,"noise_level":-27.588497,"freq_skew":0.890805,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2028,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[143,92]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734250,"usec":295354},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590052,"noise_level":-28.419403,"freq_skew":1.900715,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734250,"usec":296174},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.979784,"noise_level":-28.373730,"freq_skew":-0.265653,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734251,"usec":45487},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.183809,"noise_level":-28.060558,"freq_skew":0.447730,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":292,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734251,"usec":46667},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719828,"noise_level":-28.038614,"freq_skew":1.513395,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2868,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[139,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734251,"usec":47789},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.116703,"noise_level":-27.994892,"freq_skew":0.438192,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":278,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734251,"usec":50894},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.669132,"noise_level":-27.886543,"freq_skew":-0.390861,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734251,"usec":810092},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434777,"noise_level":-27.715950,"freq_skew":-0.551324,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-GTS","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"TP38KJ","msg_num":"D03","msg_num_seq":"B","sublabel":"DF","msg_text":"73/N11214,1214,3922,0773,0849,1217,08949/N21214,1214,3894,0772,0850,1213,10030/S114547,0681,1356,4135,07610,059/S214361,0664,1343,4112,07591,060/T1097,083,00,027,38,181,06168,N077/T2098,083,00,019,40,186,06"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734252,"usec":579773},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.349448,"noise_level":-27.448956,"freq_skew":1.523536,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734253,"usec":329813},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585793,"noise_level":-27.245398,"freq_skew":-0.475597,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-GTS","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP38KJ","msg_num":"D03","msg_num_seq":"C","sublabel":"DF","msg_text":"167,N094/V103C04,00208,08000,217,119,XXXX/V203C04,00208,08000,210,120,XXXX/V3003,000,241/V4013,002,268/X101812,N001,0015,N000,00011,N002/X202024,N004,0017,N000,00011,N002/X3N002,0005,N013,N001,N005,N003,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734253,"usec":331699},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.786211,"noise_level":-27.145954,"freq_skew":1.693794,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734254,"usec":97799},"freq":136975000,"burst_len_octets":188,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492441,"noise_level":-26.740299,"freq_skew":-0.580587,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-GTS","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"TP38KJ","msg_num":"D03","msg_num_seq":"D","sublabel":"DF","msg_text":"A02/A32002,1,1/CC9H-GTS,JUL28,195824,LPPT,LEBL,0038/C106,64302,5000,45,0010,0,0100,45,X/CEN102,29991,271,720,5911,319,I21010/CNN101,30006,271,721,5911,319/EC015518,39411,25437,73,07,07/EE015508,39772,25708,73/N11214,1214,3922,0773,0849,1217,08949/N21214,1214,3894,0772,0850,1213,10030/S114547,0681,1356,4135,07610,059/S214361,0664,1343,4112,07591,060/T1097,083,00,027,38,181,06168,N077/T2098,083,00,019,40,186,06167,N094/V103C04,00208,08000,217,119,XXXX/V203C04,00208,08000,210,120,XXXX/V3003,000,241/V4013,002,268/X101812,N001,0015,N000,00011,N002/X202024,N004,0017,N000,00011,N002/X3N002,0005,N013,N001,N005,N003,0000/X40000,0000,0000,0000,0000,0000/X50000,0000,0000,0000,0000,0000/X60627,W0051,N402,043,302,0274,0797/X70627,W0051,N402,043,303,0277,0796,/"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734254,"usec":866748},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.272415,"noise_level":-26.191803,"freq_skew":2.712847,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":18,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":51,"dst_ref":1601,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[102,232,19,115]}]}],"x225_spdu":{"spdu_id":160,"spdu_type":"Short Refuse Continue"}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734254,"usec":868524},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.210137,"noise_level":-26.138811,"freq_skew":0.607259,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[81,11,192,107]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43232,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[64,131,63,216]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":24,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734254,"usec":871246},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034183,"noise_level":-26.068653,"freq_skew":-0.154294,"avlc":{"src":{"addr":"4CADBD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734255,"usec":624837},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.298277,"noise_level":-25.964470,"freq_skew":-0.527376,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":120,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43188,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[36,43,60,223]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734255,"usec":628600},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469319,"noise_level":-25.776653,"freq_skew":2.509401,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":19,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1601,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[82,110,3,235]}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"persistent","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":24,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"ERROR","choice":"dM62ErrorInformation","data":{"error_info":"insufficientResources"}}},{"msg_element":{"choice_label":"FREE TEXT","choice":"dM98FreeText","data":{"free_text":"AIRCREW HAS INHIBITED CPDLC"}}}]}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734255,"usec":632443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.540137,"noise_level":-25.853268,"freq_skew":-0.632815,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734256,"usec":383541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.466186,"noise_level":-25.751619,"freq_skew":0.471408,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734256,"usec":386970},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.946697,"noise_level":-26.152149,"freq_skew":2.681343,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":20,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":1601,"variable_part_params":[{"name":"atn_checksum","value":[158,69,27,162]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734256,"usec":387547},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456919,"noise_level":-26.131371,"freq_skew":0.642350,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[151,168,75,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734256,"usec":390769},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.260809,"noise_level":-26.009071,"freq_skew":2.723316,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":807,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[161,58,67,235]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734256,"usec":392412},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809062,"noise_level":-26.659796,"freq_skew":-0.497468,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734257,"usec":147323},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561449,"noise_level":-26.576765,"freq_skew":0.221498,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,84,65,80,0,73,82,23,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,80,84,0,1,80,67,76,88,76,80,80,67,48,49,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":279,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":16,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[219,89]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734257,"usec":149337},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.176470,"noise_level":-26.558264,"freq_skew":0.645502,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734258,"usec":666824},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.431298,"noise_level":-25.747194,"freq_skew":-0.486946,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.900002,"lon":-1.200000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734258,"usec":676301},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986216,"noise_level":-25.481947,"freq_skew":0.727454,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734259,"usec":432197},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419898,"noise_level":-25.465633,"freq_skew":0.331131,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1602,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[58,160]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734259,"usec":434858},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.328559,"noise_level":-25.404558,"freq_skew":0.312426,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1602,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[186,158]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4805143,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"TAP1325","long_tsap":{"rdp":[65,84,65,80,0],"short_tsap":{"ars":[73,82,23],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,84,65,80,0],"short_tsap":{"ars":[73,82,23],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"EIDW","destination_airport":"LPPT"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734261,"usec":711672},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350247,"noise_level":-24.339788,"freq_skew":0.100951,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1602,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[76,58]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734261,"usec":711982},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.739132,"noise_level":-24.325483,"freq_skew":0.455880,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53080,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":1603,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[162,129,132,197]},{"name":"checksum","value":[238,220]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25430019,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734261,"usec":715564},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470456,"noise_level":-24.141645,"freq_skew":0.261994,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":16,"dst_ref":1602,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[117,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734261,"usec":719839},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.717847,"noise_level":-24.085854,"freq_skew":2.117085,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":61,"dst_ref":1603,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[105,111,131,17]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734262,"usec":481140},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.279679,"noise_level":-23.893358,"freq_skew":0.627450,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53082,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[88,87,198,91]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734262,"usec":482407},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584855,"noise_level":-24.117994,"freq_skew":1.624698,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":850,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[207,38,86,80]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734263,"usec":232354},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695282,"noise_level":-23.897541,"freq_skew":-1.927284,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":331,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[102,226,153,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734263,"usec":232915},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.867236,"noise_level":-23.883945,"freq_skew":1.951903,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734263,"usec":236931},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.970206,"noise_level":-24.767284,"freq_skew":0.793932,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43232,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,142,114,26]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":24,"sec":22}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734263,"usec":998720},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.895548,"noise_level":-24.588678,"freq_skew":1.934533,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734263,"usec":999323},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583834,"noise_level":-24.935650,"freq_skew":0.195584,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734264,"usec":2311},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.123205,"noise_level":-24.813852,"freq_skew":-2.141283,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734264,"usec":766709},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142632,"noise_level":-24.575260,"freq_skew":0.414446,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734264,"usec":767706},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.553891,"noise_level":-24.516621,"freq_skew":0.484041,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734264,"usec":771967},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.399663,"noise_level":-24.429399,"freq_skew":1.607593,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":816,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,32,250,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734264,"usec":774986},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.335460,"noise_level":-25.205763,"freq_skew":0.460328,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734265,"usec":528732},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.751750,"noise_level":-25.049021,"freq_skew":1.928433,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3728,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[44,185]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734265,"usec":533388},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.278240,"noise_level":-25.385931,"freq_skew":1.767842,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":38.900002,"lon":-5.100000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734265,"usec":535264},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716003,"noise_level":-25.730331,"freq_skew":0.152151,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":17,"dst_ref":1604,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[53,151]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734265,"usec":538551},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103121,"noise_level":-25.696793,"freq_skew":0.530314,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[166,215,242,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734266,"usec":287785},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.847433,"noise_level":-25.596951,"freq_skew":2.036896,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3729,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1502,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[97,71]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":24,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734266,"usec":287969},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591535,"noise_level":-25.580421,"freq_skew":1.824978,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"U253LM","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734266,"usec":287969},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.591535,"noise_level":-25.580421,"freq_skew":1.824978,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734267,"usec":46969},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.701618,"noise_level":-25.145622,"freq_skew":1.838216,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734267,"usec":48314},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.180057,"noise_level":-25.337837,"freq_skew":2.027076,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":616,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[17,195,242,226]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734267,"usec":816219},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.864252,"noise_level":-24.950993,"freq_skew":0.486890,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":38.500000,"lon":-5.500000},"alt":37000}},{"name":"alternate_ground_stations","value":["119ADA","1191CA","129F1A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734267,"usec":825618},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.974077,"noise_level":-24.768610,"freq_skew":1.695369,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734267,"usec":826242},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424140,"noise_level":-24.820419,"freq_skew":-0.340593,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.900002,"lon":-1.200000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734268,"usec":576903},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557244,"noise_level":-24.685305,"freq_skew":0.631710,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6539,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734268,"usec":577175},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484735,"noise_level":-25.767403,"freq_skew":1.807111,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKJ","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FRRUK6","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734268,"usec":578605},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385393,"noise_level":-25.683445,"freq_skew":-0.505332,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JXM","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"DS1368","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734268,"usec":578605},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.385393,"noise_level":-25.683445,"freq_skew":-0.505332,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615046","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,38,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734268,"usec":587536},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.909977,"noise_level":-25.534336,"freq_skew":2.027266,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20077416","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,64,127,14,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734269,"usec":340200},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.754068,"noise_level":-25.275414,"freq_skew":-0.547400,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734269,"usec":343485},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.697404,"noise_level":-25.180273,"freq_skew":1.918526,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3729,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1502,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[97,71]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":24,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734270,"usec":103450},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864076,"noise_level":-25.086164,"freq_skew":0.577437,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OEA","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"NT6074","msg_num":"M83","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734270,"usec":108973},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304472,"noise_level":-24.794708,"freq_skew":1.662191,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734271,"usec":625697},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.413470,"noise_level":-24.197233,"freq_skew":1.945800,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734271,"usec":631097},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793823,"noise_level":-24.002281,"freq_skew":1.975101,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3730,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":29,"dst_ref":43382,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[56,183]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734273,"usec":148243},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267432,"noise_level":-23.709465,"freq_skew":-0.569069,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JXM","mode":"2","label":"8S","blk_id":"1","ack":"!","flight":"DS1368","msg_num":"M24","msg_num_seq":"A","msg_text":"LSGG,2122,N,Y,N,--,1,--\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734273,"usec":155202},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.412893,"noise_level":-23.934387,"freq_skew":1.951071,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734273,"usec":157228},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.781839,"noise_level":-23.893497,"freq_skew":0.526222,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734273,"usec":907597},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.111576,"noise_level":-24.524347,"freq_skew":0.536244,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"15073105","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,73,66,66,0,52,118,69,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734273,"usec":910021},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.624541,"noise_level":-24.480589,"freq_skew":0.578839,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAR","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"FR10RR","msg_num":"M04","msg_num_seq":"A","msg_text":"202432,M118120,2210, 150,N 41.684 W  3.126"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734274,"usec":670398},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.899989,"noise_level":-25.530500,"freq_skew":-0.469348,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734274,"usec":677791},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.580547,"noise_level":-25.224014,"freq_skew":-0.187149,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":690,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734275,"usec":439158},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.820063,"noise_level":-25.414598,"freq_skew":-1.410639,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":445,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[143,94,173,11]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734276,"usec":197143},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.991176,"noise_level":-25.681545,"freq_skew":0.603136,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OEA","mode":"2","label":"12","blk_id":"2","ack":"!","flight":"NT6074","msg_num":"M85","msg_num_seq":"A","msg_text":"ETA01NT6074/28282021GCXOLEMD20510041\r\nBUENAS NOCHES\r\nFOB3500"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734276,"usec":959539},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538979,"noise_level":-25.305540,"freq_skew":-1.301677,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734276,"usec":963992},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.909056,"noise_level":-25.162727,"freq_skew":2.058694,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":348,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734277,"usec":716262},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.828249,"noise_level":-25.084391,"freq_skew":-0.120545,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":735,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[102,101,162,133]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[125,73,200,206]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":24,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734277,"usec":718491},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.494834,"noise_level":-25.159542,"freq_skew":2.727598,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":808,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734277,"usec":719828},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.678013,"noise_level":-25.835297,"freq_skew":0.907129,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAR","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"FR10RR","msg_num":"M04","msg_num_seq":"A","msg_text":"202432,M118120,2210, 150,N 41.684 W  3.126"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734277,"usec":720149},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.353634,"noise_level":-25.818310,"freq_skew":1.458532,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFLL"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.800000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734277,"usec":721326},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.772293,"noise_level":-25.750685,"freq_skew":0.666478,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734278,"usec":475687},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.269577,"noise_level":-25.733860,"freq_skew":-0.449276,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734278,"usec":477255},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109481,"noise_level":-25.675144,"freq_skew":0.557500,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734278,"usec":479116},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490961,"noise_level":-25.575546,"freq_skew":-0.470988,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":843,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61031,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[136,242,188,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734278,"usec":484630},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.105468,"noise_level":-25.460779,"freq_skew":-0.136585,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734278,"usec":485730},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.812014,"noise_level":-25.579260,"freq_skew":-0.129293,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":690,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734279,"usec":237483},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743751,"noise_level":-26.436567,"freq_skew":0.374421,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":17,"dst_ref":1604,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[53,151]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734279,"usec":237921},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.844756,"noise_level":-26.418362,"freq_skew":0.778332,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734279,"usec":238464},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.982516,"noise_level":-26.944469,"freq_skew":-0.344129,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":844,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61031,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[221,112,156,167]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734279,"usec":239143},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.532376,"noise_level":-26.905914,"freq_skew":0.468551,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":5498,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734279,"usec":239927},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.141905,"noise_level":-27.523224,"freq_skew":-3.281144,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":19,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734279,"usec":240551},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968418,"noise_level":-27.482016,"freq_skew":0.658500,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734280,"usec":3731},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240010,"noise_level":-27.278858,"freq_skew":1.354304,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":757,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734280,"usec":5798},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.787349,"noise_level":-27.119684,"freq_skew":0.673732,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,238,18,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734280,"usec":765414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.195580,"noise_level":-26.621639,"freq_skew":0.678511,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734280,"usec":766803},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.420763,"noise_level":-26.584488,"freq_skew":0.583942,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53098,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734280,"usec":770608},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.805239,"noise_level":-27.290659,"freq_skew":0.253793,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1604,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[118,213]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":24,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734280,"usec":771904},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.029839,"noise_level":-27.210600,"freq_skew":1.207691,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":758,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734281,"usec":524358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.079552,"noise_level":-27.111553,"freq_skew":-0.042158,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734281,"usec":524490},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668827,"noise_level":-27.111553,"freq_skew":0.730489,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734281,"usec":526454},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.975439,"noise_level":-27.169067,"freq_skew":-3.550647,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734281,"usec":529625},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.423229,"noise_level":-27.011875,"freq_skew":0.691769,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":5498,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734281,"usec":530468},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.067884,"noise_level":-27.836384,"freq_skew":-1.505053,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":662,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734281,"usec":531830},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.222816,"noise_level":-27.793671,"freq_skew":0.495292,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734281,"usec":534990},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.255968,"noise_level":-27.666763,"freq_skew":0.687426,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53102,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[42,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734282,"usec":291068},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.418299,"noise_level":-28.192980,"freq_skew":0.695534,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53103,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734282,"usec":293615},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.598966,"noise_level":-28.038208,"freq_skew":1.699274,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":612,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734282,"usec":296726},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.820961,"noise_level":-28.559578,"freq_skew":-1.462463,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734283,"usec":50303},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938564,"noise_level":-28.329941,"freq_skew":0.209348,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4313,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[251,52]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734283,"usec":50705},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.475064,"noise_level":-28.307306,"freq_skew":0.298201,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[66,66]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734283,"usec":51340},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.440284,"noise_level":-28.262217,"freq_skew":0.471519,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":5575,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734283,"usec":52369},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.283459,"noise_level":-28.409946,"freq_skew":1.046439,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[118,112]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734283,"usec":810891},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.436287,"noise_level":-28.956631,"freq_skew":0.658800,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734283,"usec":813051},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.505391,"noise_level":-28.811699,"freq_skew":1.300944,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734283,"usec":815083},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.592515,"noise_level":-28.740129,"freq_skew":-0.094386,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":736,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[26,161,138,23]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":24,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734284,"usec":572563},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.580175,"noise_level":-29.112463,"freq_skew":0.709361,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53103,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734284,"usec":577760},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552346,"noise_level":-28.964928,"freq_skew":0.129253,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[62,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734284,"usec":579046},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.326267,"noise_level":-28.916302,"freq_skew":0.624976,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":33975,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[44,69,236,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734284,"usec":579292},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.298818,"noise_level":-28.916302,"freq_skew":0.712630,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":5498,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734284,"usec":580498},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.198155,"noise_level":-28.843870,"freq_skew":2.105924,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734284,"usec":581501},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.774904,"noise_level":-28.795914,"freq_skew":-1.625542,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734284,"usec":582015},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.419328,"noise_level":-28.795914,"freq_skew":-0.083999,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734285,"usec":338336},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.776404,"noise_level":-29.533684,"freq_skew":-1.987388,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[86,77,150,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734285,"usec":341588},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.710426,"noise_level":-29.655804,"freq_skew":1.693546,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":612,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734285,"usec":345283},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920355,"noise_level":-29.447134,"freq_skew":0.112093,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1604,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[95,134]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":24,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734285,"usec":346205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.177839,"noise_level":-29.421398,"freq_skew":0.715447,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734285,"usec":347480},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.985000,"noise_level":-29.370155,"freq_skew":2.830482,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734285,"usec":349658},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.006557,"noise_level":-29.319214,"freq_skew":-0.374692,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734286,"usec":92638},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.133935,"noise_level":-29.143234,"freq_skew":0.618487,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734286,"usec":95230},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.802685,"noise_level":-28.922091,"freq_skew":1.226429,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFLL"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.800000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734286,"usec":95657},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518002,"noise_level":-28.918829,"freq_skew":-0.029740,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":737,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[187,50,212,48]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734286,"usec":96176},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735613,"noise_level":-29.665817,"freq_skew":0.585008,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734286,"usec":856536},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.684861,"noise_level":-29.482750,"freq_skew":1.344276,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC97RH","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734286,"usec":860191},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.030602,"noise_level":-29.202648,"freq_skew":1.398234,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,7,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734286,"usec":863870},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.493223,"noise_level":-29.127796,"freq_skew":0.450989,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734287,"usec":621459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.207211,"noise_level":-29.289719,"freq_skew":0.370876,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734287,"usec":624370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.290329,"noise_level":-29.189062,"freq_skew":1.250861,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734287,"usec":624849},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635764,"noise_level":-29.189062,"freq_skew":0.549106,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734288,"usec":380509},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661035,"noise_level":-29.111500,"freq_skew":-0.090056,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":691,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30757,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[29,104]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734288,"usec":385057},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.211881,"noise_level":-28.842936,"freq_skew":1.147844,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734289,"usec":146517},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.141279,"noise_level":-28.489601,"freq_skew":-1.355771,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734289,"usec":904280},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583396,"noise_level":-28.127901,"freq_skew":-1.444930,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":663,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1473,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[254,63,83,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734289,"usec":904280},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.583396,"noise_level":-28.127901,"freq_skew":-1.444930,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":664,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1473,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[175,97,5,167]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":24,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734289,"usec":909345},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.328327,"noise_level":-27.780664,"freq_skew":1.076901,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":785,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[60,32,69,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734290,"usec":678613},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.229028,"noise_level":-28.322905,"freq_skew":-1.665153,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734290,"usec":679114},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479920,"noise_level":-28.300289,"freq_skew":1.591949,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":44.200001,"lon":-3.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734290,"usec":684550},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421214,"noise_level":-28.055332,"freq_skew":-1.567236,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734290,"usec":684550},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.421214,"noise_level":-28.055332,"freq_skew":-1.567236,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734291,"usec":427293},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.409018,"noise_level":-27.946232,"freq_skew":-0.428688,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":692,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[213,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734291,"usec":427778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.107892,"noise_level":-28.237843,"freq_skew":0.989001,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734291,"usec":429172},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685166,"noise_level":-28.126440,"freq_skew":1.698877,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVW","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC7050","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734291,"usec":429172},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.685166,"noise_level":-28.126440,"freq_skew":1.698877,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000772","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,1,250,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734291,"usec":433921},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.097846,"noise_level":-27.951117,"freq_skew":-3.574598,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"1C","blk_id":"0","ack":"!","flight":"IB0657","msg_num":"M14","msg_num_seq":"A","msg_text":"IB0720.28.93/05.89/09./\r\n93/05.89/09./\r\n142192/GAMONEDA\r\nB.NOCHES.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734292,"usec":191879},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452260,"noise_level":-27.871313,"freq_skew":-1.592584,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":665,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":10515,"dst_ref":43384,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[198,58,200,104]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734292,"usec":962969},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.308034,"noise_level":-27.209278,"freq_skew":1.786618,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734292,"usec":963830},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.709723,"noise_level":-27.149723,"freq_skew":0.617873,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":55,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1534,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[139,239,88,216]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734292,"usec":968411},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.818655,"noise_level":-26.877075,"freq_skew":-1.340578,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734293,"usec":712320},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.765052,"noise_level":-26.800720,"freq_skew":2.363121,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2487,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734293,"usec":712781},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551775,"noise_level":-26.762794,"freq_skew":1.890410,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734295,"usec":239838},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864566,"noise_level":-25.881853,"freq_skew":1.646294,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":718,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734295,"usec":240871},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.191524,"noise_level":-26.935909,"freq_skew":-3.535376,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"1C","blk_id":"0","ack":"!","flight":"IB0657","msg_num":"M14","msg_num_seq":"A","msg_text":"IB0720.28.93/05.89/09./\r\n93/05.89/09./\r\n142192/GAMONEDA\r\nB.NOCHES.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734295,"usec":242240},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228557,"noise_level":-26.953876,"freq_skew":-0.247499,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734295,"usec":248861},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547024,"noise_level":-26.649780,"freq_skew":0.444182,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53118,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[41,148,157,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734296,"usec":1027},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939459,"noise_level":-26.556892,"freq_skew":1.518133,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[108,62,166,96]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734296,"usec":2055},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686081,"noise_level":-26.832367,"freq_skew":1.018361,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-3.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734296,"usec":762322},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.754267,"noise_level":-27.008467,"freq_skew":-3.593351,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734297,"usec":529748},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.259490,"noise_level":-26.609037,"freq_skew":0.618763,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734297,"usec":530428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109390,"noise_level":-26.571938,"freq_skew":0.802787,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734298,"usec":288278},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011788,"noise_level":-25.844349,"freq_skew":1.804932,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":599,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[246,9,101,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734298,"usec":288391},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394150,"noise_level":-26.618891,"freq_skew":0.787733,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734301,"usec":334140},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954322,"noise_level":-24.978722,"freq_skew":1.962667,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":599,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[246,9,101,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734302,"usec":96259},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.387634,"noise_level":-25.367128,"freq_skew":1.583557,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":795,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,74,57,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734302,"usec":866360},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.338100,"noise_level":-25.630077,"freq_skew":2.187705,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734302,"usec":868439},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.609419,"noise_level":-26.136829,"freq_skew":0.733799,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734302,"usec":870157},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.947840,"noise_level":-26.280609,"freq_skew":1.583697,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.600002,"lon":-6.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734303,"usec":615224},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.769773,"noise_level":-26.985910,"freq_skew":0.500874,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734303,"usec":616877},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719059,"noise_level":-26.889380,"freq_skew":-0.513232,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734303,"usec":624851},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.118493,"noise_level":-26.587494,"freq_skew":-2.337544,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":197,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734304,"usec":390435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.196523,"noise_level":-26.538475,"freq_skew":1.476439,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734304,"usec":392121},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461065,"noise_level":-26.465031,"freq_skew":1.497973,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-3.000000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734305,"usec":148232},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.726266,"noise_level":-26.536047,"freq_skew":0.549167,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734305,"usec":150008},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.342817,"noise_level":-26.444363,"freq_skew":0.469889,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734305,"usec":150490},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.171165,"noise_level":-26.426144,"freq_skew":1.383974,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVC","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"EC13CQ","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734305,"usec":151194},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672821,"noise_level":-26.574610,"freq_skew":1.507598,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734305,"usec":154222},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.573726,"noise_level":-26.580299,"freq_skew":0.583885,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21000061","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734305,"usec":156173},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.776575,"noise_level":-26.469837,"freq_skew":1.664090,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":600,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,3,76,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734305,"usec":905525},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.458940,"noise_level":-26.253035,"freq_skew":0.621652,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVC","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734305,"usec":906774},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.503678,"noise_level":-26.199669,"freq_skew":1.452700,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734305,"usec":910637},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.519605,"noise_level":-26.939714,"freq_skew":-1.532155,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":746,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734306,"usec":669396},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.883101,"noise_level":-27.749249,"freq_skew":0.759550,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":433,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734306,"usec":669784},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.740297,"noise_level":-27.806414,"freq_skew":-0.229848,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-3.000000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734306,"usec":670465},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.539090,"noise_level":-28.296871,"freq_skew":0.905238,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":77,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[60,198,23,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734306,"usec":672698},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.242202,"noise_level":-28.468746,"freq_skew":1.101702,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2029,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[175,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734306,"usec":675001},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.186315,"noise_level":-28.331665,"freq_skew":0.707544,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734306,"usec":675654},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.519493,"noise_level":-28.331665,"freq_skew":1.566052,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734306,"usec":676469},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.367070,"noise_level":-28.263927,"freq_skew":0.153945,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":337,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[249,144,167,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734306,"usec":676571},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.378891,"noise_level":-28.263927,"freq_skew":-0.737152,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734306,"usec":677731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209222,"noise_level":-28.196714,"freq_skew":0.700329,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734307,"usec":445105},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.523000,"noise_level":-27.614107,"freq_skew":1.256359,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":877,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[98,20,83,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734308,"usec":196157},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.774512,"noise_level":-27.551723,"freq_skew":1.217164,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"5U","blk_id":"5","ack":"!","flight":"EC97RH","msg_num":"M31","msg_num_seq":"A","msg_text":"LEMD LFBZ LFBO LFMN-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734308,"usec":198338},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.455015,"noise_level":-28.135426,"freq_skew":0.702561,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734308,"usec":198960},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.892844,"noise_level":-28.091217,"freq_skew":1.976796,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":600,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,3,76,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734308,"usec":203423},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.107487,"noise_level":-27.895012,"freq_skew":1.400750,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"PC1561","msg_num":"M04","msg_num_seq":"A","msg_text":"PC1561/28JUL25 20:25:00,36127,2108, 109,N 39.637 W  6.081"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734308,"usec":951088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.198614,"noise_level":-27.682079,"freq_skew":0.561146,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734308,"usec":951753},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.365128,"noise_level":-27.640114,"freq_skew":0.649391,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734308,"usec":953871},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.981512,"noise_level":-27.515415,"freq_skew":0.660813,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".OE-IJE","mode":"2","label":"C1","blk_id":"I","ack":"5","msg_text":".GTWDSXA 282025\r\nAGM\r\nAN OE-IJE\r\n-  SA 28/20:08\r\nLEMD 282000Z 05010KT 350V120 CAVOK 26/09\r\n  Q1018 NOSIG\r\nSA 28/20:05\r\nLFBZ 282000Z AUTO 33008KT 300V360 9999\r\n  BKN023 BKN029 BKN034\r\n  20/15 Q1024 NOSIG\r\nSA 28/20:05\r\nLFB"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734308,"usec":959232},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.638812,"noise_level":-27.372166,"freq_skew":1.306298,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"_d","blk_id":"6","ack":"I","flight":"EC97RH","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734308,"usec":961767},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.550471,"noise_level":-27.887438,"freq_skew":1.174000,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2030,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734309,"usec":721384},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.378306,"noise_level":-27.508165,"freq_skew":0.484355,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[35,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734309,"usec":721966},"freq":136975000,"burst_len_octets":162,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.993647,"noise_level":-27.508165,"freq_skew":0.498667,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"C1","blk_id":"J","ack":"!","msg_text":".GTWDSXA 282025\r\nAGM\r\nAN OE-IJE\r\n-  SA 28/20:08\r\nLEMD 282000Z 05010KT 350V120 CAVOK 26/09\r\n  Q1018 NOSIG\r\nSA 28/20:05\r\nLFBZ 282000Z AUTO 33008KT 300V360 9999\r\n  BKN023 BKN029 BKN034\r\n  20/15 Q1024 NOSIG\r\nSA 28/20:05\r\nLFBO 282000Z AUTO 31007KT 9999 FEW009\r\n  22/09 Q1021 NOSIG\r\nSA 28/20:05\r\nLFMN 282000Z 36012KT 320V030 CAVOK 23/16\r\n  Q1009 NOSIG\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734311,"usec":239355},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.061787,"noise_level":-26.720314,"freq_skew":2.575011,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":21,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734311,"usec":239956},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.959750,"noise_level":-26.682735,"freq_skew":1.605114,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.600002,"lon":-6.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734311,"usec":240245},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695660,"noise_level":-26.682735,"freq_skew":2.225078,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2488,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[222,66]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734311,"usec":242198},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793246,"noise_level":-27.382830,"freq_skew":0.700255,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734311,"usec":246285},"freq":136975000,"burst_len_octets":174,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.315559,"noise_level":-27.780098,"freq_skew":1.377631,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"PC1561","msg_num":"M04","msg_num_seq":"A","msg_text":"PC1561/28JUL25 20:25:00,36127,2108, 109,N 39.637 W  6.081"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734311,"usec":246285},"freq":136975000,"burst_len_octets":174,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.315559,"noise_level":-27.780098,"freq_skew":1.377631,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22734147","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,184,103,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734311,"usec":246612},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.048072,"noise_level":-27.780098,"freq_skew":2.430496,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2489,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[211,0]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734311,"usec":997019},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.409486,"noise_level":-28.476311,"freq_skew":0.459072,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53129,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[171,69,104,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734311,"usec":997486},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.610108,"noise_level":-28.453293,"freq_skew":0.575632,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22734147","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":327},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.699485,"noise_level":-28.271315,"freq_skew":0.658472,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[132,143,215,115]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":11}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFRR","facility_name":"BREST","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.240000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":931},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.648400,"noise_level":-28.857571,"freq_skew":2.343348,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2490,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1518,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[26,26]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":2030},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.552903,"noise_level":-28.785622,"freq_skew":2.519102,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":2973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.925198,"noise_level":-28.761772,"freq_skew":1.142156,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":4622},"freq":136975000,"burst_len_octets":162,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.840830,"noise_level":-29.180332,"freq_skew":0.645462,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"C1","blk_id":"J","ack":"!","msg_text":"O 282000Z AUTO 31007KT 9999 FEW009\r\n  22/09 Q1021 NOSIG\r\nSA 28/20:05\r\nLFMN 282000Z 36012KT 320V030 CAVOK 23/16\r\n  Q1009 NOSIG\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":5013},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713397,"noise_level":-29.721281,"freq_skew":1.900201,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":3,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[248,114,250,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":764589},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.834195,"noise_level":-29.883814,"freq_skew":1.593830,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"EC45FP","msg_num":"M43","msg_num_seq":"A","msg_text":"202506,38996,2059,28,N 41.818 W  4.844"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":764808},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-11.306143,"noise_level":-29.883814,"freq_skew":1.681181,"avlc":{"src":{"addr":"4B027D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":322,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60999,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[242,148,194,216]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":765535},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.688495,"noise_level":-29.802887,"freq_skew":1.342448,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"_d","blk_id":"7","ack":"J","flight":"EC97RH","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":767595},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.760812,"noise_level":-29.669659,"freq_skew":1.177523,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[3,5,128,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":767934},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.512907,"noise_level":-29.643259,"freq_skew":0.636692,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":770259},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.355532,"noise_level":-29.564531,"freq_skew":1.418646,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734312,"usec":771129},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.191894,"noise_level":-29.486511,"freq_skew":1.619289,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"IB07HP","msg_num":"D75","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127080,1,1,TB000000/REP033,00,00,1/POSDMU,202501, 44.074,-  3.968,  4318,350\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734313,"usec":520015},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.714722,"noise_level":-29.409184,"freq_skew":0.744646,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22734147","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734313,"usec":520189},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.758161,"noise_level":-29.383564,"freq_skew":0.520299,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734313,"usec":521317},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.204451,"noise_level":-29.307144,"freq_skew":0.715402,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734313,"usec":522734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.988951,"noise_level":-29.206285,"freq_skew":2.330344,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734313,"usec":524776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.253321,"noise_level":-29.081841,"freq_skew":1.481501,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734313,"usec":525996},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546591,"noise_level":-29.515938,"freq_skew":0.618497,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"Y","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734314,"usec":284272},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.402517,"noise_level":-29.285225,"freq_skew":1.674317,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734314,"usec":286927},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.756469,"noise_level":-29.085171,"freq_skew":0.591040,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[132,143,215,115]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":11}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFRR","facility_name":"BREST","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.240000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734314,"usec":287887},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735756,"noise_level":-29.035870,"freq_skew":-0.068108,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-3.000000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734314,"usec":288419},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299001,"noise_level":-29.569839,"freq_skew":0.954756,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2031,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[108,214]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734314,"usec":290877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.907441,"noise_level":-29.388762,"freq_skew":1.813353,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734314,"usec":291371},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.259918,"noise_level":-29.363197,"freq_skew":0.567241,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53129,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[171,69,104,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734315,"usec":51104},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.097730,"noise_level":-29.236500,"freq_skew":-1.976617,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43126,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[63,214,207,216]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43126,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[152,1,236,37]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734315,"usec":51471},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742167,"noise_level":-29.211384,"freq_skew":-0.624241,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":143,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734315,"usec":52015},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976632,"noise_level":-29.186335,"freq_skew":-0.092620,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"DS34XD","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734315,"usec":52015},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.976632,"noise_level":-29.186335,"freq_skew":-0.092620,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,101,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734315,"usec":52207},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804065,"noise_level":-29.186335,"freq_skew":0.112281,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":659,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,131,169,215]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734315,"usec":805878},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.384807,"noise_level":-28.629333,"freq_skew":0.451969,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":11,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[202,97,114,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734315,"usec":806320},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.323832,"noise_level":-28.605907,"freq_skew":0.443484,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734315,"usec":807436},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.111428,"noise_level":-28.536007,"freq_skew":-0.121413,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734315,"usec":808485},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.752147,"noise_level":-28.489719,"freq_skew":0.548454,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734315,"usec":811242},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.860409,"noise_level":-28.947674,"freq_skew":1.430132,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"EC97RH","msg_num":"M32","msg_num_seq":"A","msg_text":"/LFLL.TI2/040LFLLAB4BC"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734316,"usec":574953},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.733597,"noise_level":-28.520365,"freq_skew":2.071861,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-7.200000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734316,"usec":575796},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.127964,"noise_level":-29.237127,"freq_skew":-2.142014,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734316,"usec":579135},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316250,"noise_level":-29.112244,"freq_skew":0.860806,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1421,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30747,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[79,64]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734316,"usec":579773},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256957,"noise_level":-29.087482,"freq_skew":0.527480,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734316,"usec":582517},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.539624,"noise_level":-28.989128,"freq_skew":0.711207,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"_d","blk_id":"X","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734316,"usec":583007},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512094,"noise_level":-28.989128,"freq_skew":2.177069,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMZ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR04VH","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734316,"usec":583853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.776960,"noise_level":-29.259251,"freq_skew":-0.337768,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734316,"usec":584649},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.086018,"noise_level":-29.259251,"freq_skew":0.609886,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".OE-IJE","mode":"2","label":"A9","blk_id":"K","ack":"!","msg_text":"/LYSATYA.TI2/LFLL ARR ATIS C\r\n2003Z\r\nEXPECT TRANSITION 3N APP ILS RWY 35R\r\nARR RWY 35R /DEP RWY 35L /SID 8N\r\n/RSCD : \r\n 35R  666   1356 Z DRY-\r\n 35L  666   1356 Z DRY-\r\nTRL 60\r\n/OPS INFOS : \r\n BIRD STRIKE RISK UNKNOWN\r\nW"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734317,"usec":345270},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.354619,"noise_level":-29.400860,"freq_skew":0.471480,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734317,"usec":345809},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.312204,"noise_level":-29.375263,"freq_skew":1.363862,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734317,"usec":346359},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.171234,"noise_level":-29.375263,"freq_skew":2.336051,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126206","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,172,134,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734317,"usec":349018},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656137,"noise_level":-29.223234,"freq_skew":0.698799,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"23126206","facilities":[{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734318,"usec":98906},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643751,"noise_level":-29.702885,"freq_skew":0.698409,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMZ","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734318,"usec":107636},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518151,"noise_level":-29.187607,"freq_skew":0.965658,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2031,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[108,214]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734318,"usec":862542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.041470,"noise_level":-29.618488,"freq_skew":2.197804,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734319,"usec":627195},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275585,"noise_level":-28.977818,"freq_skew":2.070631,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":617,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[202,175,212,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734319,"usec":628967},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.632027,"noise_level":-28.856581,"freq_skew":1.909699,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[52,103,217,227]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734319,"usec":630788},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.836401,"noise_level":-28.760794,"freq_skew":0.520998,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".OE-IJE","mode":"2","label":"A9","blk_id":"K","ack":"!","msg_text":"/LYSATYA.TI2/LFLL ARR ATIS C\r\n2003Z\r\nEXPECT TRANSITION 3N APP ILS RWY 35R\r\nARR RWY 35R /DEP RWY 35L /SID 8N\r\n/RSCD : \r\n 35R  666   1356 Z DRY-\r\n 35L  666   1356 Z DRY-\r\nTRL 60\r\n/OPS INFOS : \r\n BIRD STRIKE RISK UNKNOWN\r\nW"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734319,"usec":631917},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.297725,"noise_level":-28.737011,"freq_skew":0.711431,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,82,89,82,0,76,169,212,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":4574,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":20,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[155,149]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734320,"usec":387019},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618633,"noise_level":-28.619064,"freq_skew":1.130225,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"_d","blk_id":"9","ack":"K","flight":"EC97RH","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734320,"usec":388522},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.435341,"noise_level":-28.525850,"freq_skew":1.719101,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734320,"usec":395595},"freq":136975000,"burst_len_octets":191,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.975368,"noise_level":-28.162670,"freq_skew":0.696488,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"A9","blk_id":"L","ack":"!","msg_text":"/LYSATYA.TI2/LFLL ARR ATIS C\r\n2003Z\r\nEXPECT TRANSITION 3N APP ILS RWY 35R\r\nARR RWY 35R /DEP RWY 35L /SID 8N\r\n/RSCD : \r\n 35R  666   1356 Z DRY-\r\n 35L  666   1356 Z DRY-\r\nTRL 60\r\n/OPS INFOS : \r\n BIRD STRIKE RISK UNKNOWN\r\nWIND 360/8 KT\r\n/ VIS 10 KM\r\n/ CLD : \r\n  FEW 4100 FT\r\n  BKN 9600 FT\r\nT18 /DP12\r\nQNH 1020\r\n/PHENOMENA :  NIL\r\nCONFIRM LFLL ON FIRST CTC ATIS C\r\n RECEIVED4B33\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734321,"usec":141615},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.399823,"noise_level":-28.691952,"freq_skew":-0.742234,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734321,"usec":143143},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735008,"noise_level":-28.597954,"freq_skew":1.197978,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"_d","blk_id":"0","ack":"L","flight":"EC97RH","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734321,"usec":146673},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.863673,"noise_level":-28.435867,"freq_skew":0.892273,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43387,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[20,238]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734321,"usec":147227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.990085,"noise_level":-28.412956,"freq_skew":1.299277,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734321,"usec":908402},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.093934,"noise_level":-28.076353,"freq_skew":0.558923,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734321,"usec":908503},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.113565,"noise_level":-28.076353,"freq_skew":0.669304,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[35,147,201,103]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":20}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.550000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734321,"usec":909065},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452144,"noise_level":-28.054371,"freq_skew":0.886165,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43387,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[98,62]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5024212,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RYR56FM","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[76,169,212],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[76,169,212],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"LEMD","destination_airport":"LIPZ"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734321,"usec":916680},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823680,"noise_level":-27.667902,"freq_skew":1.313069,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1531,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[223,1,183,204]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1531,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[209,247,85,54]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":21}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734322,"usec":673324},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499219,"noise_level":-27.338238,"freq_skew":0.626381,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[126,97,207,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734322,"usec":676814},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851055,"noise_level":-27.177984,"freq_skew":-0.586252,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JXM","mode":"2","label":"8D","blk_id":"2","ack":"!","flight":"DS1368","msg_num":"M25","msg_num_seq":"A","msg_text":"0034,93,0010,66,----,---,0043,2122,LEBB,LSGG\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734323,"usec":431521},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.145538,"noise_level":-26.981735,"freq_skew":0.747106,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":159,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43294,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[223,50]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":21}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734323,"usec":433679},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.241720,"noise_level":-26.904461,"freq_skew":1.141113,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734323,"usec":434814},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.408162,"noise_level":-27.416752,"freq_skew":-0.407338,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":475,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734323,"usec":435288},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.453340,"noise_level":-27.376045,"freq_skew":0.525717,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734324,"usec":191854},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.185156,"noise_level":-27.018017,"freq_skew":0.700042,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734324,"usec":192544},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.648620,"noise_level":-26.998554,"freq_skew":-0.147234,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":476,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734324,"usec":955789},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.072072,"noise_level":-26.599569,"freq_skew":0.563756,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734324,"usec":956376},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711981,"noise_level":-26.562510,"freq_skew":-0.502660,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734324,"usec":960128},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.987191,"noise_level":-26.379547,"freq_skew":-2.070339,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"4","ack":"I","flight":"IB0591","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734325,"usec":722511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557820,"noise_level":-26.112129,"freq_skew":0.732180,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734325,"usec":722670},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408553,"noise_level":-26.112129,"freq_skew":1.037956,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43387,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[20,238]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734325,"usec":723711},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.138822,"noise_level":-26.059620,"freq_skew":-1.990297,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"IB0591","msg_num":"F95","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,115/TS202523,280725FBB8"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734325,"usec":728106},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419407,"noise_level":-25.903971,"freq_skew":1.042813,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43387,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[98,62]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5024212,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RYR56FM","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[76,169,212],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[76,169,212],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"LEMD","destination_airport":"LIPZ"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734326,"usec":476038},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.062241,"noise_level":-25.801733,"freq_skew":-0.608856,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":41.200001,"lon":-0.700000},"alt":29000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734326,"usec":476641},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.987549,"noise_level":-25.767920,"freq_skew":-2.089459,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"_d","blk_id":"6","ack":"J","flight":"IB0591","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734326,"usec":477345},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.919060,"noise_level":-25.751060,"freq_skew":0.632868,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734326,"usec":477799},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616730,"noise_level":-26.119249,"freq_skew":1.678019,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKK","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"FR1509","msg_num":"M76","msg_num_seq":"A","msg_text":"/LPPR.TI2/024LPPRA3978"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734327,"usec":242689},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.417673,"noise_level":-26.356102,"freq_skew":-1.861781,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"IB0591","msg_num":"D25","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,175911,1,1,TB000000/REP033,00,00,1/POSDMU,202517, 43.511,-  1.778,  4554,340\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734327,"usec":243086},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224786,"noise_level":-26.356102,"freq_skew":1.278683,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":269,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1531,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[11,66,205,135]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734327,"usec":243086},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.224786,"noise_level":-26.356102,"freq_skew":1.278683,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":270,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43364,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[144,101,23,65]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734327,"usec":249024},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.970569,"noise_level":-26.124485,"freq_skew":1.052027,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734327,"usec":250835},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.874681,"noise_level":-26.054443,"freq_skew":-2.799155,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":54,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[118,82,182,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734327,"usec":251594},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.397300,"noise_level":-26.019634,"freq_skew":0.680072,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[117,6,121,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":9576},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.959532,"noise_level":-25.950430,"freq_skew":0.913147,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":56,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[4,225,83,228]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":9832},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.916801,"noise_level":-25.950430,"freq_skew":0.591342,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[211,46,2,29]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":10377},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.078249,"noise_level":-25.933216,"freq_skew":0.861260,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":11016},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891034,"noise_level":-26.325224,"freq_skew":1.004302,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":12521},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542700,"noise_level":-26.253551,"freq_skew":0.661636,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1531,"dst_ref":56,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[124,40,112,127]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":13311},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.536471,"noise_level":-26.235725,"freq_skew":0.502506,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":57,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[63,144,159,41]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":14248},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.161489,"noise_level":-26.217936,"freq_skew":1.247659,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":15911},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.344931,"noise_level":-26.680542,"freq_skew":-1.932538,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"IB0591","msg_num":"F96","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLFPG,27R,58,213342,/TS202524,2807252A16"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":16057},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.042093,"noise_level":-26.680542,"freq_skew":0.552560,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[117,6,121,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":16694},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.079527,"noise_level":-26.771688,"freq_skew":0.724537,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4577,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43387,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[88,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":18103},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.932385,"noise_level":-26.715050,"freq_skew":1.336004,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":760479},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.081054,"noise_level":-27.171959,"freq_skew":1.358442,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":56,"dst_ref":1531,"variable_part_params":[{"name":"atn_checksum","value":[30,253,37,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":761980},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421081,"noise_level":-27.092981,"freq_skew":0.465621,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[117,6,121,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":763419},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.196816,"noise_level":-27.014715,"freq_skew":0.928757,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4578,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":20,"dst_ref":43387,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[179,66]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734328,"usec":770456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.960036,"noise_level":-26.727345,"freq_skew":0.448111,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734329,"usec":529156},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.127398,"noise_level":-26.633627,"freq_skew":1.678706,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734329,"usec":530896},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.139259,"noise_level":-26.559376,"freq_skew":1.142238,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734329,"usec":531830},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224358,"noise_level":-26.504101,"freq_skew":0.894244,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4579,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":21,"dst_ref":43389,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,109]},{"name":"called_responding_transport_selector","value":[1,1]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[39,241]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734329,"usec":537636},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.842997,"noise_level":-26.304382,"freq_skew":-2.086346,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734329,"usec":538890},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392982,"noise_level":-26.250704,"freq_skew":2.027409,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":618,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1561,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[198,160,78,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734330,"usec":289356},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.173129,"noise_level":-26.197353,"freq_skew":0.884009,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734330,"usec":298841},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.359837,"noise_level":-25.883949,"freq_skew":0.503299,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":57,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[63,144,159,41]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734330,"usec":301638},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.193051,"noise_level":-25.832796,"freq_skew":0.773819,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4580,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":22,"dst_ref":43388,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[200,151]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734330,"usec":302116},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.334553,"noise_level":-25.815813,"freq_skew":1.277621,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734331,"usec":48957},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.135655,"noise_level":-25.765059,"freq_skew":-2.810343,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":54,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[118,82,182,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734331,"usec":50249},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.462546,"noise_level":-25.714603,"freq_skew":1.495939,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[118,164,123,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734331,"usec":52874},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700697,"noise_level":-25.597992,"freq_skew":0.944822,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4581,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43389,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[78,89]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734331,"usec":59185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.103740,"noise_level":-25.417854,"freq_skew":0.482504,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734331,"usec":809062},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.006312,"noise_level":-25.385502,"freq_skew":0.744844,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734331,"usec":809580},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.879302,"noise_level":-25.727905,"freq_skew":0.593194,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[24,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734331,"usec":817338},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392608,"noise_level":-25.545084,"freq_skew":1.010919,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,82,89,82,0,76,169,212,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,69,83,48,49,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":4582,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":23,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[107,194]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734331,"usec":817827},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101447,"noise_level":-26.139671,"freq_skew":0.825417,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[24,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734331,"usec":818672},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.049336,"noise_level":-26.104519,"freq_skew":1.407513,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":634,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734331,"usec":820053},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.915384,"noise_level":-26.052055,"freq_skew":-2.001537,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43126,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[0,167,118,203]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734332,"usec":576897},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.693864,"noise_level":-25.948071,"freq_skew":-1.952111,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30755,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[202,133,31,196]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734332,"usec":579167},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.374244,"noise_level":-25.879433,"freq_skew":0.753461,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4583,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43388,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[156,52]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":27}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734332,"usec":579719},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509065,"noise_level":-25.862358,"freq_skew":0.673787,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19370,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55,"credit":11,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[32,46,164,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734332,"usec":580238},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291534,"noise_level":-25.845316,"freq_skew":1.516752,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKK","mode":"2","label":"_d","blk_id":"4","ack":"I","flight":"FR1509","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734332,"usec":582217},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546701,"noise_level":-25.811331,"freq_skew":0.518421,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19371,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43126,"dst_ref":55,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[65,170,7,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734332,"usec":584268},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.321895,"noise_level":-25.760605,"freq_skew":0.426202,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34079,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[129,18,31,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734332,"usec":584453},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296996,"noise_level":-25.760605,"freq_skew":-2.134931,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":55,"dst_ref":43126,"variable_part_params":[{"name":"atn_checksum","value":[181,30,30,68]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734332,"usec":586267},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499534,"noise_level":-25.860706,"freq_skew":0.504658,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34080,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[250,132,35,57]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734332,"usec":587421},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.301673,"noise_level":-25.826662,"freq_skew":-1.931531,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734333,"usec":330139},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569099,"noise_level":-25.775845,"freq_skew":-1.914095,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[201,141,155,232]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734333,"usec":333649},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.008545,"noise_level":-25.625156,"freq_skew":0.996509,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4584,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23127,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[164,209]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734333,"usec":334019},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.149995,"noise_level":-25.608574,"freq_skew":0.532325,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734333,"usec":334527},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.162391,"noise_level":-25.608574,"freq_skew":0.798895,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":786,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734333,"usec":335059},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.892351,"noise_level":-25.608574,"freq_skew":0.710708,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34081,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[242,84,98,120]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":32}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFRR,BREST,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734333,"usec":336832},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.487146,"noise_level":-26.138557,"freq_skew":1.433069,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":635,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734334,"usec":98424},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.406734,"noise_level":-25.895458,"freq_skew":0.813755,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":23127,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[242,33]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5024212,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RYR56FM","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[76,169,212],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[76,169,212],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"LEMD","destination_airport":"LIPZ"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734334,"usec":99318},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.804156,"noise_level":-25.861279,"freq_skew":0.582188,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734334,"usec":104514},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.747195,"noise_level":-25.692368,"freq_skew":1.816907,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKK","mode":"2","label":"_d","blk_id":"5","ack":"J","flight":"FR1509","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734334,"usec":105383},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.063230,"noise_level":-25.658978,"freq_skew":0.986839,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734334,"usec":864309},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.374744,"noise_level":-25.396368,"freq_skew":0.477232,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-GTS","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734335,"usec":622624},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.932823,"noise_level":-25.906088,"freq_skew":1.399821,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":549,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[237,83,230,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734335,"usec":622794},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-11.263070,"noise_level":-25.906088,"freq_skew":-0.436767,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734335,"usec":624179},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452933,"noise_level":-25.837780,"freq_skew":0.679222,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2357","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"23221527","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734335,"usec":626986},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.704060,"noise_level":-25.719517,"freq_skew":1.355531,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":636,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[73,36]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734335,"usec":629619},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793759,"noise_level":-25.652655,"freq_skew":0.906956,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734335,"usec":631131},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109302,"noise_level":-25.586302,"freq_skew":0.616140,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734335,"usec":633025},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.909023,"noise_level":-25.520454,"freq_skew":0.728797,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":57,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734336,"usec":380286},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.084296,"noise_level":-25.406403,"freq_skew":1.158026,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,45,173,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734336,"usec":381526},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.184222,"noise_level":-26.406267,"freq_skew":-0.850720,"avlc":{"src":{"addr":"4D2357","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734336,"usec":384340},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.615424,"noise_level":-26.315935,"freq_skew":0.522975,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34081,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[242,84,98,120]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":32}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFRR,BREST,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734336,"usec":386704},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.749593,"noise_level":-27.054041,"freq_skew":0.948335,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":786,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734337,"usec":144361},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.162342,"noise_level":-26.918140,"freq_skew":0.705657,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734337,"usec":146896},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854856,"noise_level":-26.803322,"freq_skew":-2.140180,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[31,90,205,147]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30755,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[157,252,186,42]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734337,"usec":147040},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.090110,"noise_level":-26.784334,"freq_skew":0.999627,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734337,"usec":152753},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945624,"noise_level":-26.596687,"freq_skew":0.916867,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4587,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43388,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[79,88]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734337,"usec":913615},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.382976,"noise_level":-26.486015,"freq_skew":0.495695,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34089,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[214,222,81,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734337,"usec":916537},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.802974,"noise_level":-26.832485,"freq_skew":0.940940,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4588,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23127,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[232,52]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734337,"usec":918631},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.213822,"noise_level":-26.737635,"freq_skew":0.561167,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1539,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[159,136,75,57]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734337,"usec":921706},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.233335,"noise_level":-26.606560,"freq_skew":-2.216157,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734338,"usec":666736},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.931797,"noise_level":-27.367611,"freq_skew":0.840384,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4589,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":23,"dst_ref":23127,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[28,74]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734338,"usec":669694},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485861,"noise_level":-27.246740,"freq_skew":0.663790,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":82,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[240,110,57,131]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.550000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734338,"usec":672152},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.582211,"noise_level":-27.147282,"freq_skew":0.733072,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734338,"usec":673430},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103013,"noise_level":-27.088148,"freq_skew":0.832848,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4590,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43389,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[19,84]}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"persistent","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmContactResponse","data":{"atn_context_mgmt_contact_response":"contactSuccess"}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734338,"usec":674581},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.747672,"noise_level":-27.029415,"freq_skew":-0.284233,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"8S","blk_id":"6","ack":"!","flight":"DS34XD","msg_num":"M17","msg_num_seq":"A","msg_text":"LSGG,2134,N,Y,N,--,2,--\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734338,"usec":675695},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392403,"noise_level":-27.029415,"freq_skew":0.810958,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734339,"usec":431949},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.327229,"noise_level":-26.951717,"freq_skew":1.042657,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[160,125]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734339,"usec":435146},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.913420,"noise_level":-27.438034,"freq_skew":2.843801,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734339,"usec":438397},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.943887,"noise_level":-27.275946,"freq_skew":0.772944,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4591,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734339,"usec":439289},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.762041,"noise_level":-27.235891,"freq_skew":1.811766,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKK","mode":"2","label":"_d","blk_id":"5","ack":"J","flight":"FR1509","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734340,"usec":197811},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.973471,"noise_level":-26.911182,"freq_skew":1.016086,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4592,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":21,"dst_ref":43389,"variable_part_params":[{"name":"checksum","value":[112,195]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734340,"usec":198940},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.934677,"noise_level":-26.853630,"freq_skew":2.601085,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":809,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[156,142,35,103]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43263,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[229,126,127,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734340,"usec":955421},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.709613,"noise_level":-26.479397,"freq_skew":0.745757,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[118,200,67,240]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734341,"usec":723084},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.232194,"noise_level":-25.946644,"freq_skew":0.563217,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":628,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734342,"usec":479003},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.997500,"noise_level":-26.773310,"freq_skew":-3.319357,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"IB0657","msg_num":"M15","msg_num_seq":"A","msg_text":"/LIRF.TI2/040LIRFAD7FB"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734342,"usec":486706},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461198,"noise_level":-26.567379,"freq_skew":0.931295,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734343,"usec":250010},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.333339,"noise_level":-26.187302,"freq_skew":2.086884,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[92,247,6,139]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734343,"usec":250661},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.750810,"noise_level":-26.169609,"freq_skew":2.705626,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":809,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[156,142,35,103]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43263,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[229,126,127,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734343,"usec":252753},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.553372,"noise_level":-26.116753,"freq_skew":-3.457609,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734343,"usec":254484},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677839,"noise_level":-26.046774,"freq_skew":1.530912,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":719,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,43,87,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734343,"usec":255663},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167171,"noise_level":-25.994656,"freq_skew":-3.545150,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"2","ack":"G","flight":"IB0657","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734343,"usec":999413},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.467103,"noise_level":-25.925652,"freq_skew":0.602619,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19387,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[236,117,125,38]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734344,"usec":719},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.168113,"noise_level":-25.857189,"freq_skew":0.507606,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734344,"usec":1610},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.380660,"noise_level":-25.823158,"freq_skew":0.481852,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1134,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734344,"usec":767129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.997187,"noise_level":-25.392492,"freq_skew":2.713015,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734344,"usec":767515},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452521,"noise_level":-25.376347,"freq_skew":0.958084,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[93,22]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734345,"usec":526113},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584856,"noise_level":-25.090750,"freq_skew":0.615122,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[243,234,170,254]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734345,"usec":526513},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.069440,"noise_level":-25.312931,"freq_skew":-3.476661,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"3","ack":"H","flight":"IB0657","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734345,"usec":534249},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.532668,"noise_level":-25.296062,"freq_skew":2.795410,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":810,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43263,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[19,161,78,237]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734345,"usec":536115},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.043967,"noise_level":-25.872395,"freq_skew":0.490230,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[3,204,28,236]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734345,"usec":536372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338143,"noise_level":-25.876179,"freq_skew":0.848374,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734346,"usec":292691},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285806,"noise_level":-25.623604,"freq_skew":0.665865,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[66,66,175,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734347,"usec":47801},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581457,"noise_level":-25.345957,"freq_skew":0.534308,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19391,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":82,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[130,93,107,226]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734347,"usec":51621},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.171113,"noise_level":-25.234163,"freq_skew":2.841758,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734347,"usec":53308},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.295441,"noise_level":-25.186689,"freq_skew":-0.613920,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":400,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[179,133,75,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734347,"usec":57085},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339289,"noise_level":-25.974693,"freq_skew":0.373931,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[73,183,220,169]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30749,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[160,216,34,1]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734347,"usec":58902},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.264279,"noise_level":-25.957430,"freq_skew":0.675028,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[131,250]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734347,"usec":815022},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.119649,"noise_level":-25.820545,"freq_skew":2.606715,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734347,"usec":815878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.768992,"noise_level":-25.786657,"freq_skew":0.738966,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734347,"usec":822817},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438230,"noise_level":-26.007788,"freq_skew":0.634911,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6541,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43170,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[211,78]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734348,"usec":568595},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.383394,"noise_level":-25.870113,"freq_skew":2.591337,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":811,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[241,91,85,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734348,"usec":573034},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.243540,"noise_level":-26.267118,"freq_skew":-0.666848,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43358,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[132,89,121,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734349,"usec":333815},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.174234,"noise_level":-25.985771,"freq_skew":0.447839,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734349,"usec":337080},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.815766,"noise_level":-25.848442,"freq_skew":-0.238721,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734349,"usec":344699},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.880066,"noise_level":-26.514324,"freq_skew":0.724504,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734350,"usec":107989},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.095004,"noise_level":-27.042492,"freq_skew":0.607250,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734350,"usec":108756},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.427079,"noise_level":-27.003498,"freq_skew":-2.101836,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":755,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43265,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[57,6,159,113]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734350,"usec":109997},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179542,"noise_level":-26.945332,"freq_skew":-0.455615,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":400,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[179,133,75,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734350,"usec":111003},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011700,"noise_level":-27.729401,"freq_skew":-1.989163,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":302,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734350,"usec":112207},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.298719,"noise_level":-27.666187,"freq_skew":0.665017,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[73,183,220,169]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30749,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[160,216,34,1]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734350,"usec":863028},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.189996,"noise_level":-27.356825,"freq_skew":0.501507,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734350,"usec":864491},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.750254,"noise_level":-27.296255,"freq_skew":0.546147,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734351,"usec":623982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730578,"noise_level":-26.922142,"freq_skew":0.568907,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734351,"usec":628425},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385752,"noise_level":-26.777115,"freq_skew":0.375807,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30749,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[182,22,208,154]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734352,"usec":382419},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.744195,"noise_level":-26.589624,"freq_skew":1.818164,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":796,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[103,9,252,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734352,"usec":388298},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.916112,"noise_level":-26.619493,"freq_skew":0.381202,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734352,"usec":390672},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.734589,"noise_level":-26.582352,"freq_skew":-1.435986,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734353,"usec":157103},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.827176,"noise_level":-26.095848,"freq_skew":0.254545,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734353,"usec":913160},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736444,"noise_level":-25.819908,"freq_skew":0.416066,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734353,"usec":914957},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.308551,"noise_level":-25.769131,"freq_skew":0.534643,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[188,87,215,153]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734354,"usec":668359},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.399083,"noise_level":-25.585445,"freq_skew":0.702139,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6542,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43170,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[151,6]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":52}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734354,"usec":668712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761639,"noise_level":-26.643547,"freq_skew":1.332283,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734354,"usec":670233},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.453937,"noise_level":-26.569212,"freq_skew":0.702414,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[245,24,176,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734354,"usec":671292},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083856,"noise_level":-26.513874,"freq_skew":0.163222,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"TP19UT","msg_num":"M05","msg_num_seq":"A","msg_text":"202553,31087,2115,456.3, 4430,N4010.63 W00508.63"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734354,"usec":671485},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594993,"noise_level":-26.513874,"freq_skew":-2.183457,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":198,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[189,9,121,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734354,"usec":672859},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.591114,"noise_level":-26.477177,"freq_skew":0.497350,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[37,198,142,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734354,"usec":675909},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.593037,"noise_level":-27.210091,"freq_skew":1.360468,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[174,70,159,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734354,"usec":676488},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616096,"noise_level":-27.190191,"freq_skew":1.378730,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":878,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[48,195,137,13]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734355,"usec":433846},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.824914,"noise_level":-27.620354,"freq_skew":1.332036,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2869,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734355,"usec":435278},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.221392,"noise_level":-28.014359,"freq_skew":1.632482,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":680,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[92,234,137,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734355,"usec":436760},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.835807,"noise_level":-27.927380,"freq_skew":-2.104014,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":756,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734355,"usec":439279},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.220250,"noise_level":-27.819864,"freq_skew":0.712792,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734355,"usec":440728},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.115385,"noise_level":-27.798519,"freq_skew":0.686151,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734355,"usec":441658},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.785985,"noise_level":-27.982008,"freq_skew":0.118692,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[204,39]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734355,"usec":442157},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.987723,"noise_level":-27.982008,"freq_skew":0.557804,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734355,"usec":444163},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013553,"noise_level":-27.852343,"freq_skew":1.839557,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734355,"usec":444360},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580609,"noise_level":-27.852343,"freq_skew":3.134550,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2065,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[196,95]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734355,"usec":444536},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.322543,"noise_level":-27.830917,"freq_skew":1.704235,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-5.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734356,"usec":192874},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179918,"noise_level":-27.536402,"freq_skew":0.645371,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734356,"usec":196604},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.462141,"noise_level":-27.454054,"freq_skew":0.656054,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[80,45,205,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734356,"usec":197659},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662454,"noise_level":-27.413174,"freq_skew":0.108360,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[89,49,196,6]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734356,"usec":197866},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.856184,"noise_level":-27.413174,"freq_skew":0.543206,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":79,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[195,54,46,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734356,"usec":955584},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432984,"noise_level":-27.311802,"freq_skew":0.850378,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":78,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,118,92,229]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734356,"usec":957535},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.886914,"noise_level":-28.233601,"freq_skew":0.478982,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734356,"usec":962717},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.684156,"noise_level":-27.968723,"freq_skew":0.545093,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19404,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":3,"variable_part_params":[{"name":"checksum","value":[43,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734356,"usec":962850},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816069,"noise_level":-27.947010,"freq_skew":0.530270,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[188,87,215,153]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734356,"usec":963226},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.259359,"noise_level":-27.947010,"freq_skew":0.632686,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734356,"usec":964273},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.426594,"noise_level":-28.310631,"freq_skew":0.196996,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734357,"usec":715904},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.761167,"noise_level":-28.220646,"freq_skew":0.618311,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":7552,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734357,"usec":717581},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890205,"noise_level":-28.131584,"freq_skew":-2.301260,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":198,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[189,9,121,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734357,"usec":722079},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.816789,"noise_level":-27.912849,"freq_skew":1.463876,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.500000,"lon":-6.100000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734357,"usec":722267},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.206521,"noise_level":-27.912849,"freq_skew":1.248040,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":878,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[48,195,137,13]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734357,"usec":724642},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.930316,"noise_level":-27.805511,"freq_skew":0.400005,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7354,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[143,184]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734357,"usec":725478},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.270340,"noise_level":-27.874332,"freq_skew":-2.125419,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734358,"usec":476506},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.712135,"noise_level":-27.746250,"freq_skew":-0.649871,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[9,82,125,67]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43217,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[204,234,58,24]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734358,"usec":480002},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.223787,"noise_level":-27.557602,"freq_skew":0.591109,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734358,"usec":482474},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.153294,"noise_level":-27.454544,"freq_skew":0.590352,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734358,"usec":483160},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476019,"noise_level":-27.434078,"freq_skew":1.806466,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734359,"usec":237043},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691317,"noise_level":-27.292147,"freq_skew":1.433565,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFLL"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734359,"usec":245591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.767329,"noise_level":-27.909443,"freq_skew":-0.683058,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734359,"usec":247247},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.355349,"noise_level":-28.346420,"freq_skew":0.553621,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":79,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[195,54,46,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734360,"usec":3930},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.060699,"noise_level":-28.233624,"freq_skew":1.442646,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":817,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,32,250,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734360,"usec":5553},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.262984,"noise_level":-28.781349,"freq_skew":0.629677,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":78,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,118,92,229]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734360,"usec":11215},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.085315,"noise_level":-29.239790,"freq_skew":1.955507,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":351,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43258,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[78,63,45,163]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43258,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[171,6,163,240]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":25,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734360,"usec":17247},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179893,"noise_level":-29.247227,"freq_skew":0.418416,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734360,"usec":18500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.254116,"noise_level":-29.171997,"freq_skew":0.647592,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734360,"usec":762495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.044272,"noise_level":-29.122198,"freq_skew":1.130628,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734360,"usec":763686},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.859961,"noise_level":-29.023455,"freq_skew":0.629253,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":161,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734360,"usec":771587},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240916,"noise_level":-28.592493,"freq_skew":1.834171,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":39.799999,"lon":-7.500000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734360,"usec":771587},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.240916,"noise_level":-28.592493,"freq_skew":1.834171,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U265RF","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734361,"usec":523387},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.608328,"noise_level":-28.499561,"freq_skew":0.604365,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[225,22,236,1]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.055000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734361,"usec":523710},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.514406,"noise_level":-29.238508,"freq_skew":1.925014,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734361,"usec":524608},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.347328,"noise_level":-29.281113,"freq_skew":2.025501,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20055545","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,91,101,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734362,"usec":283147},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.205411,"noise_level":-28.789581,"freq_skew":2.044686,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734362,"usec":285161},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.163785,"noise_level":-28.623915,"freq_skew":0.647490,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[127,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734362,"usec":287736},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.847917,"noise_level":-29.530800,"freq_skew":1.509785,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":817,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,32,250,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734362,"usec":290785},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.414233,"noise_level":-29.677326,"freq_skew":-0.395774,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43217,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[193,242,151,188]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734362,"usec":290960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.805673,"noise_level":-29.677326,"freq_skew":1.527543,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734362,"usec":291248},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168485,"noise_level":-29.650902,"freq_skew":1.860509,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":51064},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.670742,"noise_level":-29.545998,"freq_skew":2.070083,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3731,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[45,6]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":56187},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.769927,"noise_level":-29.188503,"freq_skew":-0.520586,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,253,220,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":57423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.990977,"noise_level":-29.113773,"freq_skew":0.462308,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":57687},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498734,"noise_level":-29.089008,"freq_skew":-1.757010,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":738,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[73,71,172,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":810347},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339271,"noise_level":-28.966217,"freq_skew":1.718871,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-5.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":811768},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.337595,"noise_level":-28.845140,"freq_skew":0.441937,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":812174},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730741,"noise_level":-28.821127,"freq_skew":0.469860,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19414,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":57,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[30,184,253,34]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECM,/ATC UNIT MADRID,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":812288},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.830118,"noise_level":-28.821127,"freq_skew":0.632877,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[225,22,236,1]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.055000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":815245},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.934205,"noise_level":-28.993477,"freq_skew":-0.421464,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":815727},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696565,"noise_level":-29.490660,"freq_skew":0.415114,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":10,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[211,19]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"LISBOA","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":136.030000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734363,"usec":818447},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720801,"noise_level":-29.700199,"freq_skew":1.345859,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734364,"usec":572186},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256241,"noise_level":-29.667408,"freq_skew":-2.138930,"avlc":{"src":{"addr":"34560D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734364,"usec":573349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421721,"noise_level":-29.562305,"freq_skew":-1.764826,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734364,"usec":574056},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.097005,"noise_level":-29.484306,"freq_skew":1.314735,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734364,"usec":577131},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.092796,"noise_level":-29.381382,"freq_skew":0.073701,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4314,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[9,213]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734364,"usec":579665},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.623057,"noise_level":-29.229250,"freq_skew":1.369893,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[203,113,173,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734365,"usec":337753},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.942599,"noise_level":-29.104477,"freq_skew":-0.432685,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734365,"usec":338149},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203523,"noise_level":-29.079739,"freq_skew":0.155123,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1512,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[1,88]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734365,"usec":340434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.408315,"noise_level":-28.884306,"freq_skew":0.614847,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734365,"usec":341221},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.343783,"noise_level":-28.836128,"freq_skew":-0.560765,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":403,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[94,31,175,237]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734365,"usec":346735},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977363,"noise_level":-29.102869,"freq_skew":-0.536345,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":43.000000,"lon":-0.900000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734365,"usec":347196},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574381,"noise_level":-29.102869,"freq_skew":0.705750,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734366,"usec":97457},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.270774,"noise_level":-29.053467,"freq_skew":0.719529,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAE64","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":10,"credit":15,"rseq":3,"variable_part_params":[{"name":"checksum","value":[38,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734366,"usec":99071},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757777,"noise_level":-28.931175,"freq_skew":1.562552,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.500000,"lon":-6.100000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734366,"usec":102786},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.307914,"noise_level":-28.691639,"freq_skew":-0.505940,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615046","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,38,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734366,"usec":103644},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.733749,"noise_level":-28.668045,"freq_skew":-1.890379,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1555,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[70,241,55,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734366,"usec":858883},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.704125,"noise_level":-28.458536,"freq_skew":0.482540,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[225,22,236,1]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.055000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734366,"usec":861984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991337,"noise_level":-28.209137,"freq_skew":0.307016,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734366,"usec":864377},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.637665,"noise_level":-28.098103,"freq_skew":1.370160,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFLL"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734366,"usec":864586},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-12.655101,"noise_level":-28.098103,"freq_skew":-0.558692,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734366,"usec":866228},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718146,"noise_level":-27.988464,"freq_skew":-0.539839,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,253,220,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734367,"usec":626048},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670207,"noise_level":-27.858704,"freq_skew":1.461684,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":550,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[67,32,25,93]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[196,176,124,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734367,"usec":626200},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.863510,"noise_level":-27.858704,"freq_skew":1.643865,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":681,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[29,236,153,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734367,"usec":626450},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.054142,"noise_level":-27.842665,"freq_skew":1.214783,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EC97RH","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734367,"usec":626450},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.054142,"noise_level":-27.842665,"freq_skew":1.214783,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,7,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734367,"usec":626759},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439202,"noise_level":-27.821264,"freq_skew":1.885964,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":682,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[69,86,126,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734367,"usec":635801},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.327998,"noise_level":-27.485844,"freq_skew":0.461302,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734368,"usec":379493},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.039767,"noise_level":-27.424370,"freq_skew":-0.210744,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734368,"usec":386802},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.863809,"noise_level":-26.986374,"freq_skew":1.716574,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":613,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734369,"usec":145680},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414101,"noise_level":-26.928326,"freq_skew":0.420389,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734369,"usec":146405},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921553,"noise_level":-26.870659,"freq_skew":2.129786,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":352,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43258,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[45,170,27,136]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734369,"usec":146405},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.921553,"noise_level":-26.870659,"freq_skew":2.129786,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1580,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[42,100,51,179]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734369,"usec":155116},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.198138,"noise_level":-26.587936,"freq_skew":0.612182,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734369,"usec":908570},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103758,"noise_level":-26.655952,"freq_skew":0.324803,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":39.000000,"lon":-7.400000},"alt":38000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734370,"usec":672358},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687306,"noise_level":-26.380026,"freq_skew":1.929004,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734370,"usec":672358},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.687306,"noise_level":-26.380026,"freq_skew":1.929004,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[2,92,72,94]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734370,"usec":672674},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921742,"noise_level":-27.275545,"freq_skew":0.365503,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR97JL","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734370,"usec":678229},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.129797,"noise_level":-27.076267,"freq_skew":0.250135,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127144","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,100,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734370,"usec":678610},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191290,"noise_level":-27.076267,"freq_skew":1.326532,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":550,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[67,32,25,93]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[196,176,124,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734370,"usec":679567},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934963,"noise_level":-27.076267,"freq_skew":1.677181,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":681,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[29,236,153,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734370,"usec":679567},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.934963,"noise_level":-27.076267,"freq_skew":1.677181,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":682,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[69,86,126,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734370,"usec":680315},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.627313,"noise_level":-27.037123,"freq_skew":1.376025,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EC97RH","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734371,"usec":425601},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958491,"noise_level":-26.940023,"freq_skew":1.250950,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,7,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734371,"usec":430916},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.086790,"noise_level":-26.673782,"freq_skew":0.666872,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734371,"usec":431506},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.322174,"noise_level":-26.655073,"freq_skew":2.045477,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":356,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[87,41,122,9]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1580,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[67,188,138,47]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734372,"usec":197308},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.217877,"noise_level":-26.199991,"freq_skew":1.361726,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":551,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[160,178,172,204]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":11}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734372,"usec":198160},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219098,"noise_level":-26.868580,"freq_skew":1.973243,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-5.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734372,"usec":199250},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.649959,"noise_level":-26.830357,"freq_skew":0.732673,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[74,35,188,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734372,"usec":956112},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.799349,"noise_level":-26.530479,"freq_skew":-2.083574,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[238,169,84,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734372,"usec":956545},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.682456,"noise_level":-26.512077,"freq_skew":0.287555,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734372,"usec":957542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.275166,"noise_level":-26.438854,"freq_skew":1.893625,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734372,"usec":958378},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.374296,"noise_level":-26.384336,"freq_skew":0.433972,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53202,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":68,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[75,204,133,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734372,"usec":960683},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.141797,"noise_level":-26.294231,"freq_skew":0.452591,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734373,"usec":712640},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.278303,"noise_level":-26.355934,"freq_skew":1.251538,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":759,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,42,206,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734373,"usec":712943},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.307085,"noise_level":-26.337894,"freq_skew":0.404877,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[250,18,80,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734373,"usec":713670},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.021345,"noise_level":-26.301935,"freq_skew":1.842727,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"LEZL"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["11905A","119A6A","129F1A","119C1A","1199BA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734373,"usec":714035},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.050565,"noise_level":-26.266119,"freq_skew":3.267898,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2066,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734373,"usec":714950},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687720,"noise_level":-26.212675,"freq_skew":-0.950671,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[180,205,223,213]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734373,"usec":715083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.062905,"noise_level":-26.212675,"freq_skew":-0.216037,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734374,"usec":472913},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640515,"noise_level":-25.933056,"freq_skew":0.167355,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734374,"usec":474494},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.211350,"noise_level":-25.847490,"freq_skew":0.601738,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734374,"usec":475280},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.125809,"noise_level":-26.215307,"freq_skew":1.597762,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124723","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,169,211,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734374,"usec":476591},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.851382,"noise_level":-26.144533,"freq_skew":0.591485,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734374,"usec":476591},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.851382,"noise_level":-26.144533,"freq_skew":0.591485,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[59,87,72,145]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":133.755000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734374,"usec":477663},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938790,"noise_level":-26.074331,"freq_skew":1.371525,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EC97RH","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734374,"usec":477663},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.938790,"noise_level":-26.074331,"freq_skew":1.371525,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,7,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734375,"usec":239676},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991359,"noise_level":-25.952826,"freq_skew":1.342434,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"PC1561","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734375,"usec":239676},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.991359,"noise_level":-25.952826,"freq_skew":1.342434,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22734147","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,184,103,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734375,"usec":240581},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.845481,"noise_level":-25.918419,"freq_skew":1.805076,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EVK","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR8762","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734375,"usec":240996},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630793,"noise_level":-25.901268,"freq_skew":0.746396,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[66,249,223,212]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43271,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[242,188,193,56]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734375,"usec":242380},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.399999,"noise_level":-27.040205,"freq_skew":0.928329,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[118,112]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734375,"usec":249477},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.403560,"noise_level":-27.857285,"freq_skew":0.598109,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[102,98,82,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":5467},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.471303,"noise_level":-27.336636,"freq_skew":1.719945,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":464,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":6137},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.280704,"noise_level":-27.296303,"freq_skew":1.530889,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":6222},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471194,"noise_level":-27.296303,"freq_skew":1.917483,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124723","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,169,211,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":6426},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.148611,"noise_level":-27.276207,"freq_skew":0.968692,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":762122},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.312994,"noise_level":-27.058151,"freq_skew":0.437867,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53204,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":763669},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.797767,"noise_level":-26.960819,"freq_skew":2.057878,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3732,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":764470},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.147833,"noise_level":-26.941481,"freq_skew":1.426608,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1432,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":764709},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.856992,"noise_level":-26.922188,"freq_skew":1.660518,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":614,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":766207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.405891,"noise_level":-26.845438,"freq_skew":0.546674,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":767169},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.851738,"noise_level":-27.300076,"freq_skew":-0.355985,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734376,"usec":768094},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454759,"noise_level":-27.239899,"freq_skew":0.683131,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":44.400002,"lon":-3.900000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734377,"usec":528933},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.204186,"noise_level":-27.120779,"freq_skew":1.049504,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43269,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[149,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734377,"usec":529223},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.428974,"noise_level":-28.025322,"freq_skew":0.528020,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734377,"usec":529815},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.081864,"noise_level":-27.981667,"freq_skew":1.451189,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EC97RH","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734377,"usec":529815},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.081864,"noise_level":-27.981667,"freq_skew":1.451189,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,7,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734377,"usec":533389},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.197680,"noise_level":-28.464405,"freq_skew":0.554558,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734377,"usec":535288},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.323388,"noise_level":-28.350077,"freq_skew":0.651035,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EJCP","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"U269AT","msg_num":"S77","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734377,"usec":535288},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.323388,"noise_level":-28.350077,"freq_skew":0.651035,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20077465","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,127,53,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734377,"usec":535629},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.470981,"noise_level":-28.327391,"freq_skew":0.860237,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43269,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[218,242]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734378,"usec":296187},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285817,"noise_level":-29.128376,"freq_skew":1.716301,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734378,"usec":296656},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.220116,"noise_level":-29.078827,"freq_skew":-2.710540,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":55,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[143,2,26,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734378,"usec":298527},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.143179,"noise_level":-28.931862,"freq_skew":1.152239,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734378,"usec":298887},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.941537,"noise_level":-28.907604,"freq_skew":0.875320,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[220,208,62,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734378,"usec":303366},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444930,"noise_level":-28.692307,"freq_skew":-2.094000,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEP","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"EI058K","msg_num":"D16","msg_num_seq":"A","sublabel":"DF","msg_text":"A01/A32001,1,4/CCEI-DEP,JUL28,202607,LEMG,EIDW,0000/\r\nC106,39201,5000,44,0010,0,0100,44,X/\r\nCE-183,36016,256,773,6584,285,C31I84/\r\nEC577249,52476,12284,33311,73,08/\r\nEE699180,39940,12046,25750,73/\r\nN10857,0"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734378,"usec":303797},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354297,"noise_level":-28.692307,"freq_skew":0.924270,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EVN","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"FR14VB","msg_num":"M11","msg_num_seq":"A","msg_text":"202617,,2138, 122,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":48430},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.723231,"noise_level":-28.645180,"freq_skew":0.583765,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":52529},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.121342,"noise_level":-28.390448,"freq_skew":0.803827,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1422,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[170,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":52618},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066177,"noise_level":-28.367657,"freq_skew":1.348899,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":52999},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.335116,"noise_level":-28.344927,"freq_skew":0.808773,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43271,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[143,56,67,157]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":53175},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.273393,"noise_level":-28.344927,"freq_skew":0.094476,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":289,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":53723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.047854,"noise_level":-28.299639,"freq_skew":0.527810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":54423},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.370751,"noise_level":-28.254589,"freq_skew":1.539100,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[196,176,124,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":814060},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.439594,"noise_level":-28.558502,"freq_skew":0.490687,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[187,47,132,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":820686},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.391826,"noise_level":-28.193985,"freq_skew":0.589940,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"X","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":822114},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.592933,"noise_level":-28.083138,"freq_skew":0.463297,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19445,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[63,4,73,61]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734379,"usec":822396},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389808,"noise_level":-28.061140,"freq_skew":-1.900496,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEP","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"EI058K","msg_num":"D16","msg_num_seq":"B","sublabel":"DF","msg_text":"857,0944,6378,1274,-----/\r\nN20857,0857,0945,6357,1266,-----/\r\nS1-----,0724,1242,4469,----,016,000/\r\nS2-----,0725,1254,4436,----,016,000/\r\nT1099,101,027,37,087,04952,0068/\r\nT2098,101,019,37,094,04891,0057/\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734380,"usec":574516},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.871950,"noise_level":-27.995472,"freq_skew":0.694872,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734380,"usec":575671},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.149938,"noise_level":-28.130585,"freq_skew":1.903366,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-5.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734380,"usec":577763},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.655266,"noise_level":-27.955177,"freq_skew":0.639328,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":8141,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734380,"usec":578525},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176438,"noise_level":-27.911873,"freq_skew":0.288165,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4316,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1512,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[103,21]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734380,"usec":578799},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.913382,"noise_level":-27.890301,"freq_skew":3.084639,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734380,"usec":582971},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.942270,"noise_level":-27.825907,"freq_skew":0.739021,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734380,"usec":583132},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.003185,"noise_level":-27.804548,"freq_skew":0.636816,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"Y","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734381,"usec":348311},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.689364,"noise_level":-27.490309,"freq_skew":0.452042,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":8153,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734381,"usec":348762},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402627,"noise_level":-27.490309,"freq_skew":-2.159180,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEP","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EI058K","msg_num":"D16","msg_num_seq":"C","sublabel":"DF","msg_text":"V106,05,050,154,04,00,00000/\r\nV202,07,165,047,04,00,00000/\r\nV312,02,184,313,0615/\r\nV402,02,246,063,0615/\r\nV500,00,000,000,0000/\r\nV600,00,000,000,0000/\r\nV7044,089,00081,22222222222G11/\r\nV8038,085,00081,22222"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734381,"usec":350579},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.248329,"noise_level":-27.408398,"freq_skew":0.708192,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[151,198,18,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734381,"usec":350821},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.955985,"noise_level":-28.462374,"freq_skew":0.446929,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[225,22,236,1]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.055000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734381,"usec":351093},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.878645,"noise_level":-28.462374,"freq_skew":0.513499,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-OEA","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"NT6074","msg_num":"D07","msg_num_seq":"A","sublabel":"DF","msg_text":"acmf_06120115_a[00]_o[00]_gr_20250728202558_s.csv\r\nACMF SNAPSHOT REPORT2025 JUL 28 20:25:58\r\nA/CEC-OEA\r\nSWVER10.0.0APPVER7.0.0APPNAMEOEM\r\nSIZE5598 B\r\n8.0\r\nR2025 JUL 28 20:25:58T2025 JUL 28 20:25:58\r\nLO-5.34"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":96870},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.013642,"noise_level":-28.370815,"freq_skew":1.706180,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":97288},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.105386,"noise_level":-28.348074,"freq_skew":1.481352,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":553,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[67,32,25,93]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":100601},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.933346,"noise_level":-28.057745,"freq_skew":0.460000,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":100726},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.593839,"noise_level":-28.057745,"freq_skew":1.784131,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":101659},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179371,"noise_level":-27.970331,"freq_skew":0.835751,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":103681},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.274141,"noise_level":-27.948616,"freq_skew":0.391958,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":104128},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.876833,"noise_level":-27.948616,"freq_skew":0.736643,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":105124},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891798,"noise_level":-28.422932,"freq_skew":1.785761,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":851,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[247,73,14,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":862393},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466753,"noise_level":-28.508444,"freq_skew":1.254354,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[196,176,124,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":866199},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.225154,"noise_level":-28.235188,"freq_skew":0.703956,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[168,82,141,79]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":867196},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.123949,"noise_level":-28.145977,"freq_skew":-1.944432,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[102,226,153,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734382,"usec":873175},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.756161,"noise_level":-28.057674,"freq_skew":1.739815,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":601,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734383,"usec":616612},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.026954,"noise_level":-28.700275,"freq_skew":-1.462735,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":666,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1473,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[159,88,228,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734383,"usec":618225},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.946617,"noise_level":-28.680710,"freq_skew":-2.132802,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":333,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[182,11,16,5]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734383,"usec":618424},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.256954,"noise_level":-28.657146,"freq_skew":-0.320671,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":478,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734383,"usec":619031},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.709968,"noise_level":-28.610209,"freq_skew":0.583642,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"Y","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734383,"usec":622912},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.797593,"noise_level":-28.379250,"freq_skew":0.578183,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[66,126,49,60]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"ERROR","choice":"uM159ErrorInformation","data":{"error_info":"insufficientResources"}}},{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"DIALOGUE WAS ALREADY CLOSED BY CONTROLLER"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734383,"usec":623138},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.409842,"noise_level":-28.379250,"freq_skew":1.262295,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[196,176,124,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734384,"usec":381796},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.965559,"noise_level":-28.288555,"freq_skew":-0.611409,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":404,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[124,241,120,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734384,"usec":382551},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.224044,"noise_level":-29.366741,"freq_skew":0.469648,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734384,"usec":383354},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.979285,"noise_level":-29.290470,"freq_skew":0.774300,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1539,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[44,80,144,80]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1539,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[206,31,5,52]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734384,"usec":387572},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.265327,"noise_level":-29.090298,"freq_skew":0.495687,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734384,"usec":390815},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299086,"noise_level":-29.622932,"freq_skew":0.444849,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734384,"usec":391182},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.612201,"noise_level":-29.596670,"freq_skew":0.669638,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734385,"usec":146079},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.045998,"noise_level":-29.492416,"freq_skew":-2.080436,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"EI058K","msg_num":"D16","msg_num_seq":"D","sublabel":"DF","msg_text":"A01/A32001,1,4/CCEI-DEP,JUL28,202607,LEMG,EIDW,0000/\r\nC106,39201,5000,44,0010,0,0100,44,X/\r\nCE-183,36016,256,773,6584,285,C31I84/\r\nEC577249,52476,12284,33311,73,08/\r\nEE699180,39940,12046,25750,73/\r\nN10857,0857,0944,6378,1274,-----/\r\nN20857,0857,0945,6357,1266,-----/\r\nS1-----,0724,1242,4469,----,016,000/\r\nS2-----,0725,1254,4436,----,016,000/\r\nT1099,101,027,37,087,04952,0068/\r\nT2098,101,019,37,094,04891,0057/\r\nV106,05,050,154,04,00,00000/\r\nV202,07,165,047,04,00,00000/\r\nV312,02,184,313,0615/\r\nV402,02,246,063,0615/\r\nV500,00,000,000,0000/\r\nV600,00,000,000,0000/\r\nV7044,089,00081,22222222222G11/\r\nV8038,085,00081,22222222222O11/\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734385,"usec":146767},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.805597,"noise_level":-29.440754,"freq_skew":0.962937,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":59,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1534,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[139,239,88,216]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734385,"usec":149689},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724025,"noise_level":-29.161980,"freq_skew":0.511117,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734385,"usec":153423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.359235,"noise_level":-28.989124,"freq_skew":0.626683,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734385,"usec":904216},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.476192,"noise_level":-28.891872,"freq_skew":0.555129,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[168,82,141,79]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734385,"usec":906946},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.856124,"noise_level":-28.676960,"freq_skew":1.626068,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":851,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[247,73,14,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734385,"usec":907589},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.440610,"noise_level":-28.872574,"freq_skew":0.620150,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734385,"usec":907768},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356280,"noise_level":-28.872574,"freq_skew":0.642052,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1135,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[166,215,242,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734385,"usec":908577},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689088,"noise_level":-29.208950,"freq_skew":-2.047662,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"5U","blk_id":"6","ack":"!","flight":"EI058K","msg_num":"M49","msg_num_seq":"A","msg_text":" \r\nFTLFRB,,,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734385,"usec":912054},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.169649,"noise_level":-29.010622,"freq_skew":1.650381,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734386,"usec":669588},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.570721,"noise_level":-28.961739,"freq_skew":1.505228,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734386,"usec":672017},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.098667,"noise_level":-28.768919,"freq_skew":-1.505201,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":666,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1473,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[159,88,228,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734386,"usec":672098},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.023330,"noise_level":-28.768919,"freq_skew":0.484469,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[66,126,49,60]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"ERROR","choice":"uM159ErrorInformation","data":{"error_info":"insufficientResources"}}},{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"DIALOGUE WAS ALREADY CLOSED BY CONTROLLER"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734387,"usec":429942},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921139,"noise_level":-29.009853,"freq_skew":-0.786207,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"AF1358","msg_num":"L04","msg_num_seq":"A","msg_text":"/LEMG.TI2/064LEMGAA2E8"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734387,"usec":430986},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.253588,"noise_level":-29.267387,"freq_skew":-0.662248,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":404,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[124,241,120,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734387,"usec":432438},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738301,"noise_level":-29.142071,"freq_skew":0.610514,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKE","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FRRUK7","msg_num":"M69","msg_num_seq":"A","msg_text":"202625,,2238, 185,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734387,"usec":436255},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.637649,"noise_level":-28.969608,"freq_skew":1.392411,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":197609},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.106324,"noise_level":-28.705330,"freq_skew":1.245157,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":554,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[152,236,75,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":198504},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402614,"noise_level":-28.634626,"freq_skew":0.647575,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ESSA"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-3.100000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":201082},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.140416,"noise_level":-28.494928,"freq_skew":0.854423,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1423,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[103,14]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":201390},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.473955,"noise_level":-28.471861,"freq_skew":0.692356,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":204955},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.107271,"noise_level":-28.380203,"freq_skew":0.660806,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":54,"dst_ref":43393,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[75,207,240,206]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":205567},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.812122,"noise_level":-28.357439,"freq_skew":0.694434,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":8348,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":206027},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.769088,"noise_level":-28.357439,"freq_skew":0.670257,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":950627},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.257444,"noise_level":-28.244499,"freq_skew":0.704807,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1135,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[166,215,242,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":952201},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.348508,"noise_level":-28.110886,"freq_skew":1.888912,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":953261},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183673,"noise_level":-28.044842,"freq_skew":-2.045499,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":955777},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583044,"noise_level":-28.192385,"freq_skew":-0.201323,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":956502},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.012811,"noise_level":-28.518524,"freq_skew":-1.996461,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"5U","blk_id":"6","ack":"!","flight":"EI058K","msg_num":"M49","msg_num_seq":"A","msg_text":" \r\nFTLFRB,,,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734388,"usec":956682},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.100897,"noise_level":-28.495396,"freq_skew":1.080082,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43269,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[231,154]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734389,"usec":718312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.540143,"noise_level":-28.289955,"freq_skew":-0.761673,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734389,"usec":718524},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405082,"noise_level":-28.267424,"freq_skew":1.041841,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[90,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734389,"usec":718614},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491322,"noise_level":-28.267424,"freq_skew":0.706691,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734389,"usec":719354},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.629175,"noise_level":-28.222540,"freq_skew":1.903925,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":43258,"variable_part_params":[{"name":"atn_checksum","value":[230,68,55,101]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734389,"usec":720285},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.016270,"noise_level":-28.875444,"freq_skew":0.525540,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEP","mode":"2","label":"C1","blk_id":"W","ack":"6","msg_text":".GTWEIXA 282026\r\nAGM\r\nAN EI-DEP\r\n-  SA 28/20:05\r\nLFRB 282000Z AUTO 31006KT 280V340 9999\r\n  FEW013 SCT025 OVC048\r\n  17/15 Q1024 NOSIG\r\nTAF 28/17:22\r\nLFRB 281700Z 2818/2924 32010KT 9999\r\n  SCT020 BECMG 2819/2821\r\n  VRB05KT"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734389,"usec":720724},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427598,"noise_level":-28.875444,"freq_skew":1.976156,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":851,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[247,73,14,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734389,"usec":721888},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090909,"noise_level":-28.851347,"freq_skew":1.807377,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":683,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734389,"usec":722978},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.457839,"noise_level":-28.803349,"freq_skew":0.806519,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1590,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[75,90]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734390,"usec":487921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.937904,"noise_level":-29.388084,"freq_skew":0.479349,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734391,"usec":243576},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.998106,"noise_level":-28.675751,"freq_skew":0.847856,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[0,33,65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734391,"usec":245427},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336316,"noise_level":-29.235741,"freq_skew":0.705660,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[123,165,64,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":4722},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.231381,"noise_level":-28.939022,"freq_skew":-1.415745,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":666,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1473,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[159,88,228,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":5786},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.230644,"noise_level":-28.866404,"freq_skew":-0.454652,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":5991},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306218,"noise_level":-28.842327,"freq_skew":0.447443,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1135,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[166,215,242,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":7060},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765485,"noise_level":-28.770506,"freq_skew":0.765577,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-OEA","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"NT6074","msg_num":"D07","msg_num_seq":"D","sublabel":"DF","msg_text":"74.64,0.00,0.00,0.00\r\n,0,-536870212,0,-8,0,0,17,0,30,0,-7,54,1,54,94,94,40,0,74,74,74,63,54,0,54,94,94\r\n,94,94,2164.6,2115.7,2160.6,2115.0,63.6,1,61.8,63.6,61.8,80.3,80.2,94.7,93.9,94.\r\n7,93.9,94.7,1,93.9,9"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":7463},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203601,"noise_level":-28.746698,"freq_skew":-1.354290,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":446,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":7958},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.013501,"noise_level":-28.722954,"freq_skew":0.971830,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":17225},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437384,"noise_level":-29.202213,"freq_skew":1.673596,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-5.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":765001},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.239939,"noise_level":-29.102562,"freq_skew":1.144783,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":17,"dst_ref":43269,"variable_part_params":[{"name":"checksum","value":[83,93]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":766590},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232715,"noise_level":-29.785362,"freq_skew":0.741926,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1423,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[103,14]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":767609},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.010997,"noise_level":-29.678831,"freq_skew":0.475325,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEP","mode":"2","label":"C1","blk_id":"W","ack":"6","msg_text":".GTWEIXA 282026\r\nAGM\r\nAN EI-DEP\r\n-  SA 28/20:05\r\nLFRB 282000Z AUTO 31006KT 280V340 9999\r\n  FEW013 SCT025 OVC048\r\n  17/15 Q1024 NOSIG\r\nTAF 28/17:22\r\nLFRB 281700Z 2818/2924 32010KT 9999\r\n  SCT020 BECMG 2819/2821\r\n  VRB05KT"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":768115},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587420,"noise_level":-29.678831,"freq_skew":0.188365,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4317,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1512,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[103,21]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":768781},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.077326,"noise_level":-29.678831,"freq_skew":1.877974,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":43258,"variable_part_params":[{"name":"atn_checksum","value":[230,68,55,101]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":769515},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.128353,"noise_level":-30.237410,"freq_skew":-2.099499,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"5U","blk_id":"6","ack":"!","flight":"EI058K","msg_num":"M49","msg_num_seq":"A","msg_text":" \r\nFTLFRB,,,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734392,"usec":770166},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545873,"noise_level":-30.226906,"freq_skew":1.773012,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":683,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734393,"usec":525643},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.620500,"noise_level":-30.667067,"freq_skew":1.286637,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734393,"usec":527088},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.416179,"noise_level":-30.520020,"freq_skew":0.517039,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[162,150,209,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734393,"usec":530338},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.201878,"noise_level":-30.404150,"freq_skew":-2.152347,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":199,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734393,"usec":531294},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354604,"noise_level":-30.404150,"freq_skew":0.558402,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734393,"usec":538842},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.874276,"noise_level":-30.543644,"freq_skew":2.207344,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-6.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734394,"usec":285060},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720897,"noise_level":-30.398655,"freq_skew":0.547176,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734394,"usec":285764},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.134710,"noise_level":-30.341331,"freq_skew":1.138149,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[97,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734394,"usec":286211},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.757906,"noise_level":-30.312809,"freq_skew":0.499084,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-OEA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"NT6074","msg_num":"D07","msg_num_seq":"E","sublabel":"DF","msg_text":"7.3,97.0,94.7,93.9,0.0,0.0,90.31,90.08,89.00,0,88.85,90.30,9\r\n0.05,-7.00,-7.00,0.00,0.00,0.23,0.00,0.00,0,0.00,0.00,0.00,0.00,0.00,2005,2000,2\r\n005,2000,3.8,63.28,3.6,3.2,2.7,188.94,187.35,4.559,4.559,13.29"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734394,"usec":286510},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.906730,"noise_level":-30.284382,"freq_skew":2.236272,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVD","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC59FM","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734394,"usec":287797},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224820,"noise_level":-30.171593,"freq_skew":-3.496204,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"4","ack":"I","flight":"IB0657","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734394,"usec":287942},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.079778,"noise_level":-30.171593,"freq_skew":1.701951,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":232,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734394,"usec":292601},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483989,"noise_level":-30.100372,"freq_skew":0.510389,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":141,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734394,"usec":293469},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.436082,"noise_level":-30.072630,"freq_skew":0.625973,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVD","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734395,"usec":51883},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.359365,"noise_level":-29.989931,"freq_skew":0.852771,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1590,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[77,195]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":26,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734395,"usec":55639},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.980717,"noise_level":-30.033295,"freq_skew":0.713442,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-DEP","mode":"2","label":"C1","blk_id":"W","ack":"6","msg_text":".GTWEIXA 282026\r\nAGM\r\nAN EI-DEP\r\n-  SA 28/20:05\r\nLFRB 282000Z AUTO 31006KT 280V340 9999\r\n  FEW013 SCT025 OVC048\r\n  17/15 Q1024 NOSIG\r\nTAF 28/17:22\r\nLFRB 281700Z 2818/2924 32010KT 9999\r\n  SCT020 BECMG 2819/2821\r\n  VRB05KT"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734395,"usec":56294},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.245346,"noise_level":-29.978323,"freq_skew":-1.651025,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":446,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734395,"usec":57901},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.037244,"noise_level":-29.896515,"freq_skew":-1.425603,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[143,94,173,11]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734395,"usec":812434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.032954,"noise_level":-29.842400,"freq_skew":1.911460,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734395,"usec":817672},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.387400,"noise_level":-29.446945,"freq_skew":-2.049238,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734395,"usec":818334},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667558,"noise_level":-29.446945,"freq_skew":-2.181281,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734395,"usec":819846},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.792561,"noise_level":-29.369968,"freq_skew":0.546995,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-OEA","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"NT6074","msg_num":"D07","msg_num_seq":"F","sublabel":"DF","msg_text":"2,13.349,2.989,64.\r\n00,2.989,106.995,119.260,4.545,4.521,0.000,0.000,0.000,181.3,179.9,64.25,57.4,65\r\n.7,10.1,15.6,56.8,56.3,99.54,98.42,13.93,11.76,0,65.13,18.76,18.09,5000, 58,116,\r\n134226205,134226461,34"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734395,"usec":822172},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168225,"noise_level":-29.344461,"freq_skew":0.588618,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ESSA"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-3.100000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734396,"usec":571321},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.197605,"noise_level":-29.243174,"freq_skew":1.012702,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[132,13]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734396,"usec":571829},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.612216,"noise_level":-29.192966,"freq_skew":-2.012743,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"7","ack":"W","flight":"EI058K","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734396,"usec":572928},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.490170,"noise_level":-29.118202,"freq_skew":0.504325,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[162,150,209,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734396,"usec":573476},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.942241,"noise_level":-29.068710,"freq_skew":1.379578,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[23,78]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734396,"usec":577705},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.148894,"noise_level":-28.849432,"freq_skew":2.082296,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[162,167,30,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734396,"usec":577792},"freq":136975000,"burst_len_octets":189,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.030433,"noise_level":-28.849432,"freq_skew":0.678321,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"C1","blk_id":"A","ack":"!","msg_text":".GTWEIXA 282026\r\nAGM\r\nAN EI-DEP\r\n-  SA 28/20:05\r\nLFRB 282000Z AUTO 31006KT 280V340 9999\r\n  FEW013 SCT025 OVC048\r\n  17/15 Q1024 NOSIG\r\nTAF 28/17:22\r\nLFRB 281700Z 2818/2924 32010KT 9999\r\n  SCT020 BECMG 2819/2821\r\n  VRB05KT TEMPO 2907/2919 5000 RA BKN012\r\n  BECMG 2908/2910 BKN012 PROB40\r\n  TEMPO 2909/2918 3000 RA BKN006 BECMG\r\n  2912/2914 32010KT BECMG\r\n  2918/2921 VRB05KT\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734396,"usec":578578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.803458,"noise_level":-28.849432,"freq_skew":1.042226,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734397,"usec":333880},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.453567,"noise_level":-29.340153,"freq_skew":1.629707,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":720,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[22,48,21,197]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734397,"usec":334456},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509364,"noise_level":-29.289383,"freq_skew":0.677975,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734397,"usec":335740},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.910359,"noise_level":-29.188732,"freq_skew":1.996429,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000121","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,81,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734397,"usec":336490},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.624971,"noise_level":-29.138842,"freq_skew":-1.315249,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":747,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734397,"usec":336761},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.765654,"noise_level":-29.138842,"freq_skew":0.592778,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734397,"usec":338759},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.523737,"noise_level":-29.487465,"freq_skew":1.755522,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":602,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,3,76,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734398,"usec":100023},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.065526,"noise_level":-29.157209,"freq_skew":0.561719,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":141,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734398,"usec":101624},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.976991,"noise_level":-29.033461,"freq_skew":1.081872,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734398,"usec":861610},"freq":136975000,"burst_len_octets":189,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.913217,"noise_level":-28.036249,"freq_skew":0.489373,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"C1","blk_id":"A","ack":"!","msg_text":" TEMPO 2907/2919 5000 RA BKN012\r\n  BECMG 2908/2910 BKN012 PROB40\r\n  TEMPO 2909/2918 3000 RA BKN006 BECMG\r\n  2912/2914 32010KT BECMG\r\n  2918/2921 VRB05KT\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734399,"usec":621113},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.860291,"noise_level":-27.949049,"freq_skew":-2.136784,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"_d","blk_id":"8","ack":"A","flight":"EI058K","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734399,"usec":621602},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.433575,"noise_level":-27.927387,"freq_skew":-0.861050,"avlc":{"src":{"addr":"4B1A26","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":847,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61031,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[221,112,156,167]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734399,"usec":626155},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456611,"noise_level":-27.734806,"freq_skew":0.582647,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734399,"usec":626389},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.717605,"noise_level":-27.734806,"freq_skew":0.507220,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734399,"usec":629306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.168011,"noise_level":-27.546404,"freq_skew":0.674475,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734400,"usec":386988},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408107,"noise_level":-27.443476,"freq_skew":1.468850,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":555,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734400,"usec":387702},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.431263,"noise_level":-27.402645,"freq_skew":1.979163,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000121","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,81,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734400,"usec":389374},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.732728,"noise_level":-27.281284,"freq_skew":0.692782,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21000121","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734400,"usec":394907},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938609,"noise_level":-27.141811,"freq_skew":-0.522273,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"_d","blk_id":"9","ack":"T","flight":"AF1358","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734400,"usec":396390},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.263209,"noise_level":-27.063107,"freq_skew":-1.467552,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734400,"usec":397105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.188039,"noise_level":-27.043541,"freq_skew":0.477923,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":139461},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.009490,"noise_level":-27.004543,"freq_skew":2.745642,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EC13NK","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":139461},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.009490,"noise_level":-27.004543,"freq_skew":2.745642,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000363","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,243,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":139615},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793526,"noise_level":-27.004543,"freq_skew":1.088438,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[23,78]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":141739},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713522,"noise_level":-26.850273,"freq_skew":1.556161,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2870,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23059,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[54,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":141866},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.844642,"noise_level":-26.850273,"freq_skew":0.845696,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-OEA","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"NT6074","msg_num":"D07","msg_num_seq":"G","sublabel":"DF","msg_text":"2983069,-2072935779,-1996403363,0.00,-1996403107,-21473520\r\n99,-2147351843,-2012150467,-2012150211,-2143038019,4245181,-2146728579,-21462040\r\n35,-2137259523,0.00,-2137259267,-2013256931,-2013257699,74548125"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":142201},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.867329,"noise_level":-26.831181,"freq_skew":-1.435414,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":144328},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.707145,"noise_level":-26.698700,"freq_skew":-1.473386,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":747,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":144769},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.110817,"noise_level":-26.964226,"freq_skew":1.964312,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":144885},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.308843,"noise_level":-26.944883,"freq_skew":1.844488,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":906878},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646536,"noise_level":-26.829712,"freq_skew":0.443073,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":8688,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":907895},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.071476,"noise_level":-26.772697,"freq_skew":2.770887,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734401,"usec":911745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.192324,"noise_level":-26.566780,"freq_skew":0.656839,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734402,"usec":674742},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.576842,"noise_level":-26.329556,"freq_skew":1.447440,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734402,"usec":678461},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.979644,"noise_level":-26.133766,"freq_skew":0.571015,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,238,18,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734402,"usec":678895},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538171,"noise_level":-26.133766,"freq_skew":2.825547,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734402,"usec":683226},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751559,"noise_level":-26.962631,"freq_skew":1.409245,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4330,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":14,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734403,"usec":427967},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876955,"noise_level":-26.790096,"freq_skew":0.600032,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-OEA","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"NT6074","msg_num":"D07","msg_num_seq":"H","sublabel":"DF","msg_text":",-1804500835,151\r\n080797,151080029,132061,131293,135333693,332,135332925,-2143238211,4445373,75558\r\n1,1279101,10224637,10223869,253,253,1611521340,331,1611083324,-535920260,1613639\r\n292,113,119, 54, 59,  0,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734403,"usec":435110},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.220754,"noise_level":-26.473265,"freq_skew":0.725569,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":75,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[171,69,104,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734403,"usec":435658},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.798202,"noise_level":-26.727043,"freq_skew":-1.504711,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734404,"usec":197586},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.770187,"noise_level":-26.522190,"freq_skew":-0.731367,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"_d","blk_id":"9","ack":"T","flight":"AF1358","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734404,"usec":199641},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.210462,"noise_level":-26.467152,"freq_skew":0.024967,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":660,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,131,169,215]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734404,"usec":201272},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.039194,"noise_level":-26.376188,"freq_skew":1.738451,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EVK","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"FR8762","msg_num":"M28","msg_num_seq":"A","msg_text":"202642,,2128, 127,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734404,"usec":201681},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.194539,"noise_level":-26.358109,"freq_skew":0.702734,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53235,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":15,"rseq":7,"variable_part_params":[{"name":"checksum","value":[247,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734404,"usec":202276},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399915,"noise_level":-26.322062,"freq_skew":0.679620,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ESSA"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-3.100000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734404,"usec":960186},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420267,"noise_level":-25.986885,"freq_skew":0.622167,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SIS","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"SK1818","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734404,"usec":960186},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.420267,"noise_level":-25.986885,"freq_skew":0.622167,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126607","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,76,173,135,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734404,"usec":960604},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.578669,"noise_level":-25.986885,"freq_skew":0.477542,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734404,"usec":962291},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659518,"noise_level":-26.745489,"freq_skew":-0.337489,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-2.800000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734405,"usec":720941},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706831,"noise_level":-27.716436,"freq_skew":2.049772,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2491,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[224,62]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734405,"usec":721874},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.398164,"noise_level":-28.541882,"freq_skew":1.491738,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734405,"usec":725423},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.944638,"noise_level":-28.335354,"freq_skew":-0.647636,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"_d","blk_id":"0","ack":"U","flight":"AF1358","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734405,"usec":726536},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538352,"noise_level":-28.782005,"freq_skew":-1.973874,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734405,"usec":730102},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.613655,"noise_level":-28.687035,"freq_skew":0.653558,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734405,"usec":730694},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923054,"noise_level":-28.663452,"freq_skew":1.360318,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[23,78]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734405,"usec":731238},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.186059,"noise_level":-28.639935,"freq_skew":0.448975,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734406,"usec":475064},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923064,"noise_level":-28.546495,"freq_skew":1.514418,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734406,"usec":476353},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.219305,"noise_level":-28.454052,"freq_skew":-0.188985,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":738,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[187,50,212,48]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734406,"usec":480285},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439033,"noise_level":-28.294598,"freq_skew":1.152827,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":39.200001,"lon":-7.400000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734407,"usec":242948},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.330143,"noise_level":-27.962465,"freq_skew":1.062843,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"EC18MK","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734407,"usec":243526},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394823,"noise_level":-27.940767,"freq_skew":1.113198,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21001360","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,2,240,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734407,"usec":244283},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.813346,"noise_level":-27.897533,"freq_skew":1.735565,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734407,"usec":251062},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.675480,"noise_level":-27.579975,"freq_skew":0.614488,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-OEA","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"NT6074","msg_num":"D07","msg_num_seq":"J","sublabel":"DF","msg_text":"110.0,78.4,78.\r\n8,-22.7,-22.7,0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,38004,0,38034,38034,0,0.2285\r\n,0.4909,0.1594,0.2692,0.0041,0.0038,0.0182,0,0.0039,0.0042,0.0058,0.0045,0.0039,\r\n0.0029,0.0030,0.0566,0.038"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734408,"usec":4042},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.878865,"noise_level":-27.334030,"freq_skew":0.961713,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734408,"usec":762503},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.339406,"noise_level":-27.016573,"freq_skew":1.580743,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734408,"usec":765103},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469306,"noise_level":-26.842976,"freq_skew":0.126848,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":339,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734408,"usec":766113},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.910880,"noise_level":-26.804865,"freq_skew":1.848793,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1647,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[39,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734408,"usec":766629},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.989442,"noise_level":-26.785872,"freq_skew":-0.420782,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":693,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30757,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[29,104]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734408,"usec":767364},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.371569,"noise_level":-26.729141,"freq_skew":0.579151,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SIS","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"SK1818","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734408,"usec":767364},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.371569,"noise_level":-26.729141,"freq_skew":0.579151,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126607","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,76,173,135,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734408,"usec":767886},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642530,"noise_level":-26.710312,"freq_skew":0.788834,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":304,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734408,"usec":768854},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.025210,"noise_level":-27.319651,"freq_skew":-0.585795,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"_d","blk_id":"0","ack":"U","flight":"AF1358","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734409,"usec":523393},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.098818,"noise_level":-27.762239,"freq_skew":-3.498992,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":24,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734410,"usec":290649},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.177662,"noise_level":-27.327490,"freq_skew":-2.644328,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":56,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734410,"usec":291090},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.639586,"noise_level":-27.307322,"freq_skew":0.446141,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734410,"usec":291872},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.371269,"noise_level":-27.267122,"freq_skew":0.815406,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":787,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[60,32,69,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734410,"usec":297974},"freq":136975000,"burst_len_octets":215,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849620,"noise_level":-27.948761,"freq_skew":0.692875,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OEA","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"NT6074","msg_num":"D07","msg_num_seq":"K","sublabel":"DF","msg_text":"8,0.1166,0,0.5956,0.0654,0.1337,0.2207,0.1961,0.0490,0\r\n.1428,0.0803,0.2634,0.0815,-536870468,0.1235,0.0145,0.0113,0.1296,0.0823,19,0,30\r\n,0,20,1,21700,21700, 52, 50\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734411,"usec":44682},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.424609,"noise_level":-27.650290,"freq_skew":2.045650,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5555,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[205,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734411,"usec":51957},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954804,"noise_level":-27.504814,"freq_skew":-2.750179,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734411,"usec":52359},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.164149,"noise_level":-27.484228,"freq_skew":1.566071,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"_d","blk_id":"7","ack":"I","flight":"IB07HP","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734411,"usec":811275},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.147236,"noise_level":-27.141550,"freq_skew":1.818456,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"IB07HP","msg_num":"F69","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,115/TS202650,2807254EC9"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734412,"usec":577259},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563552,"noise_level":-26.698448,"freq_skew":0.498614,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19502,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[0,43,210,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734412,"usec":577810},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823027,"noise_level":-26.679688,"freq_skew":1.733999,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKK","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"FR1509","msg_num":"M77","msg_num_seq":"A","msg_text":"202650,36985,2114, 116,N 40.426 W  2.632"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734412,"usec":582664},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727357,"noise_level":-27.023701,"freq_skew":1.196588,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[68,152]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734412,"usec":582751},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.073526,"noise_level":-27.023701,"freq_skew":-0.376096,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-2.800000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734413,"usec":337278},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.200935,"noise_level":-27.023701,"freq_skew":-0.147281,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":693,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30757,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[29,104]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734413,"usec":338369},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.948915,"noise_level":-27.062702,"freq_skew":-1.406678,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":667,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[136,244,178,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734413,"usec":338652},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203467,"noise_level":-27.043140,"freq_skew":-1.824955,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[13,76,16,210]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734413,"usec":340306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.474112,"noise_level":-26.965317,"freq_skew":1.662671,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734413,"usec":344021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.240803,"noise_level":-26.754841,"freq_skew":0.476965,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734414,"usec":100111},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.017039,"noise_level":-26.567823,"freq_skew":0.599733,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734414,"usec":100893},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.182527,"noise_level":-26.530899,"freq_skew":0.556152,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734414,"usec":863952},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737458,"noise_level":-26.099627,"freq_skew":1.710881,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8214,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734414,"usec":864545},"freq":136975000,"burst_len_octets":155,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.335464,"noise_level":-26.064636,"freq_skew":1.586487,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"IB07HP","msg_num":"F70","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN43504W003587,DELOG092-0013,202652,350,VADOX272-0021,202726,SNR272-0040,M46,33337,94/TS202652,280725210C"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734414,"usec":865125},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.164149,"noise_level":-26.029785,"freq_skew":0.515432,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":192,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734414,"usec":865458},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.850136,"noise_level":-26.012411,"freq_skew":0.969658,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734414,"usec":865714},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562043,"noise_level":-26.012411,"freq_skew":-3.480217,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734414,"usec":867268},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393342,"noise_level":-26.246243,"freq_skew":1.836833,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-5.000000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734415,"usec":626941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183573,"noise_level":-26.165340,"freq_skew":0.635857,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734415,"usec":627941},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522437,"noise_level":-26.130083,"freq_skew":0.594629,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734416,"usec":385452},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.702142,"noise_level":-25.887218,"freq_skew":1.506729,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2871,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[139,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734416,"usec":387797},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.739239,"noise_level":-25.785175,"freq_skew":2.163650,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5556,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[132,44]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734416,"usec":392862},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.239851,"noise_level":-25.601154,"freq_skew":0.089596,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"TP19UT","msg_num":"C13","msg_num_seq":"A","sublabel":"CF","msg_text":"ACMF230_CRUISE_S_20250728202644S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:26:44\nA/C CS-TPS\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 2217\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:26:44 T 2025JUL28 20:26:44"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734416,"usec":394386},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.845644,"noise_level":-26.084101,"freq_skew":1.946464,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1648,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[233,61]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734417,"usec":143289},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.701754,"noise_level":-26.031761,"freq_skew":-0.658316,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[179,203,122,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734417,"usec":148993},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.909738,"noise_level":-25.791590,"freq_skew":1.132176,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[68,152]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734417,"usec":154171},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.136010,"noise_level":-25.690660,"freq_skew":1.553936,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734417,"usec":912830},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.877600,"noise_level":-26.082684,"freq_skew":-1.567495,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734418,"usec":665318},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.832716,"noise_level":-25.739614,"freq_skew":1.907110,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":603,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[201,114,11,120]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734418,"usec":671727},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.430915,"noise_level":-25.490923,"freq_skew":0.750834,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734418,"usec":672015},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730046,"noise_level":-26.310860,"freq_skew":0.618320,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":9106,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734418,"usec":673020},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.153405,"noise_level":-26.257137,"freq_skew":1.622602,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734419,"usec":437955},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.897856,"noise_level":-26.803368,"freq_skew":1.747694,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":41.200001,"lon":-7.200000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734419,"usec":439594},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.673606,"noise_level":-26.727657,"freq_skew":0.705188,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734419,"usec":440013},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.792274,"noise_level":-26.708832,"freq_skew":0.591584,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734420,"usec":193076},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.870787,"noise_level":-26.615314,"freq_skew":1.548422,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWL","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"U229WD","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734420,"usec":194136},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103273,"noise_level":-26.650965,"freq_skew":1.698503,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20064415","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,105,13,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734420,"usec":194980},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632446,"noise_level":-26.613686,"freq_skew":1.742334,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"4","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"A","msg_text":"02A282026LEZLEGKKN37245W005539282006  23P277      56P285231009G      92P285252009G     126P280262012G     150P290255015G     170P300245014G     186P300232014G     206P295230013G     232P290238011G     260P29025"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734420,"usec":198388},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.597293,"noise_level":-26.502800,"freq_skew":0.685679,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20064415","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734420,"usec":955715},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.272276,"noise_level":-26.557501,"freq_skew":1.862221,"avlc":{"src":{"addr":"4CAFC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1852,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734420,"usec":956297},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.698625,"noise_level":-26.539042,"freq_skew":0.566110,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":9159,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734420,"usec":958482},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.347507,"noise_level":-26.502237,"freq_skew":0.593385,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWL","mode":"2","label":"_d","blk_id":"Y","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734420,"usec":960829},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.468686,"noise_level":-26.392756,"freq_skew":1.565213,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734420,"usec":965044},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.141022,"noise_level":-26.284636,"freq_skew":0.347538,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7355,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734421,"usec":717134},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820030,"noise_level":-27.039633,"freq_skew":-0.086022,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734421,"usec":717937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.312062,"noise_level":-27.000652,"freq_skew":1.737862,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734421,"usec":720627},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.425338,"noise_level":-26.884747,"freq_skew":0.424365,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734421,"usec":722231},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.168896,"noise_level":-26.808327,"freq_skew":0.421353,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734422,"usec":478848},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.943737,"noise_level":-26.751450,"freq_skew":-0.051925,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-2.800000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734422,"usec":487676},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695476,"noise_level":-26.327343,"freq_skew":0.069191,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734423,"usec":245033},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690426,"noise_level":-26.061504,"freq_skew":2.011168,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"4","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"A","msg_text":"02A282026LEZLEGKKN37245W005539282006  23P277      56P285231009G      92P285252009G     126P280262012G     150P290255015G     170P300245014G     186P300232014G     206P295230013G     232P290238011G     260P29025"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734423,"usec":246610},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.023617,"noise_level":-25.991966,"freq_skew":1.480915,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFLL"},{"name":"ac_location","value":{"loc":{"lat":40.799999,"lon":-6.400000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734423,"usec":247754},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.092645,"noise_level":-25.940178,"freq_skew":-1.185383,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[165,210,247,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":1080},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.725297,"noise_level":-25.854540,"freq_skew":0.585651,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":3701},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.733051,"noise_level":-25.736050,"freq_skew":1.344911,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"EC97RH","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":6442},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.536526,"noise_level":-25.652393,"freq_skew":0.661643,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":9159,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":6630},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.018201,"noise_level":-25.652393,"freq_skew":0.652353,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":9244,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":8257},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.095125,"noise_level":-26.456451,"freq_skew":1.373868,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,7,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":8409},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898463,"noise_level":-26.456451,"freq_skew":0.052065,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4319,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":9654},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.553802,"noise_level":-26.401825,"freq_skew":0.555288,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":770513},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.413684,"noise_level":-26.186693,"freq_skew":0.657468,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":770771},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599413,"noise_level":-26.186693,"freq_skew":0.078301,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP19UT","msg_num":"C13","msg_num_seq":"B","sublabel":"CF","msg_text":"\n-----\n281.754, 4, 2, 4, 5, 7, 3, 60, 561, 63.0468, -9.34375, 2368, 61.0937, 734.125,\n83.875, 83.9375, 0.515656, 87.75, 1.00787, 0, 0.671875, 89.6718, 0.0937557, 0.\n183605, 0.365234, 15, 80.6031, 112.786, 1"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":771347},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601418,"noise_level":-26.186693,"freq_skew":1.760811,"avlc":{"src":{"addr":"4CAFC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":771990},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440929,"noise_level":-26.169004,"freq_skew":2.131320,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":619,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1561,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[198,160,78,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734424,"usec":772881},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.494252,"noise_level":-26.133732,"freq_skew":0.424518,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734425,"usec":530156},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.394601,"noise_level":-25.959494,"freq_skew":1.511483,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734425,"usec":530270},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.450658,"noise_level":-26.596460,"freq_skew":0.083466,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734425,"usec":530580},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788043,"noise_level":-26.596460,"freq_skew":1.252831,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734425,"usec":532827},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.969211,"noise_level":-27.228344,"freq_skew":0.218476,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734425,"usec":533057},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921955,"noise_level":-27.208405,"freq_skew":-0.252865,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":479,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734426,"usec":288854},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.213181,"noise_level":-26.780907,"freq_skew":0.525783,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734426,"usec":291183},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.585503,"noise_level":-26.686613,"freq_skew":0.522052,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":9159,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734426,"usec":295791},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.759279,"noise_level":-26.519424,"freq_skew":1.544644,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2872,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[60,2]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734427,"usec":48070},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.811579,"noise_level":-26.967644,"freq_skew":1.882147,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5557,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734427,"usec":51027},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.268450,"noise_level":-26.852177,"freq_skew":0.209547,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"TP19UT","msg_num":"C13","msg_num_seq":"C","sublabel":"CF","msg_text":"35.437, 15, 424.625, 609.812, 447.937,\n 59.875, 0.203125, 0.375, 2, 83, 7, 140, 2, 2, 4, 2, 4, 5, 3, 8, 60, 561, 63.\n2812, -9.64062, 2388.87, 55.2656, 716.625, 83.9375, 83.9531, 1.01959, 87.7812,\n1.52353, 0"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734427,"usec":52622},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832995,"noise_level":-27.018791,"freq_skew":2.058418,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"4","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"A","msg_text":"02A282026LEZLEGKKN37245W005539282006  23P277      56P285231009G      92P285252009G     126P280262012G     150P290255015G     170P300245014G     186P300232014G     206P295230013G     232P290238011G     260P29025"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734428,"usec":578838},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544882,"noise_level":-26.112825,"freq_skew":1.842620,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"5","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"B","msg_text":"5011G     293P290252010G     331P282273009G     380P270280010G     433P257289010G     484P242302009G     535P230311009G    /N37331W005570 786P162011005G    N37363W005541 995P112167002G    N37399W0055141206P0903"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734429,"usec":338269},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.617385,"noise_level":-25.836351,"freq_skew":-1.432765,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":748,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734429,"usec":341227},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285378,"noise_level":-25.734901,"freq_skew":0.247971,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"TP19UT","msg_num":"C13","msg_num_seq":"D","sublabel":"CF","msg_text":", 1.01562, 89.9375, 0.171885, 0.230482, 0.460937, 15, 76.5396, 117.\n394, 137.625, 15, 424.625, 612.75, 447.75, 59.9062, 0.21875, 0.25, 5, 155, 7,\n140, 2, 2, 0, 1, 0, 0, 0.762798, 0, 0, 1, 1, 37.789, 36.5078"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734429,"usec":343482},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.029683,"noise_level":-25.634623,"freq_skew":-0.102700,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":479,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734429,"usec":345308},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.742428,"noise_level":-25.584915,"freq_skew":0.610495,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":9159,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734430,"usec":106279},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.178015,"noise_level":-25.347166,"freq_skew":0.687064,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734430,"usec":107791},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.654509,"noise_level":-25.614796,"freq_skew":1.384380,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.000000,"lon":-4.100000},"alt":39000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734430,"usec":863936},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.282698,"noise_level":-25.779551,"freq_skew":1.817592,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734430,"usec":864530},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557728,"noise_level":-25.745823,"freq_skew":0.887798,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2033,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43317,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[164,71]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734431,"usec":621100},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.599703,"noise_level":-25.448027,"freq_skew":1.034656,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2034,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43317,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[85,203]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734431,"usec":623270},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.644342,"noise_level":-25.367086,"freq_skew":-0.280438,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-2.800000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734431,"usec":624685},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610178,"noise_level":-26.238554,"freq_skew":1.904723,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"5","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"B","msg_text":"5011G     293P290252010G     331P282273009G     380P270280010G     433P257289010G     484P242302009G     535P230311009G    /N37331W005570 786P162011005G    N37363W005541 995P112167002G    N37399W0055141206P0903"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734431,"usec":627823},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.148845,"noise_level":-26.132324,"freq_skew":0.195596,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"TP19UT","msg_num":"C13","msg_num_seq":"E","sublabel":"CF","msg_text":"ACMF230_CRUISE_S_20250728202644S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:26:44\nA/C CS-TPS\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 2217\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:26:44 T 2025JUL28 20:26:44\n-----\n281.754, 4, 2, 4, 5, 7, 3, 60, 561, 63.0468, -9.34375, 2368, 61.0937, 734.125,\n83.875, 83.9375, 0.515656, 87.75, 1.00787, 0, 0.671875, 89.6718, 0.0937557, 0.\n183605, 0.365234, 15, 80.6031, 112.786, 135.437, 15, 424.625, 609.812, 447.937,\n 59.875, 0.203125, 0.375, 2, 83, 7, 140, 2, 2, 4, 2, 4, 5, 3, 8, 60, 561, 63.\n2812, -9.64062, 2388.87, 55.2656, 716.625, 83.9375, 83.9531, 1.01959, 87.7812,\n1.52353, 0, 1.01562, 89.9375, 0.171885, 0.230482, 0.460937, 15, 76.5396, 117.\n394, 137.625, 15, 424.625, 612.75, 447.75, 59.9062, 0.21875, 0.25, 5, 155, 7,\n140, 2, 2, 0, 1, 0, 0, 0.762798, 0, 0, 1, 1, 37.789, 36.5078, 31080.8, 0, 0,\n-37.5556, -10.1389,\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734432,"usec":382824},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.527692,"noise_level":-25.975378,"freq_skew":-0.250508,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"DS34XD","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734432,"usec":384116},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793738,"noise_level":-27.020481,"freq_skew":-0.193965,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,101,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734432,"usec":392559},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.675764,"noise_level":-27.617109,"freq_skew":1.759194,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":852,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[207,38,86,80]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734433,"usec":149817},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310553,"noise_level":-27.492737,"freq_skew":-1.956852,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"_d","blk_id":"5","ack":"J","flight":"VY03RB","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734433,"usec":151670},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.184358,"noise_level":-27.410803,"freq_skew":1.874811,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"IB07HP","msg_num":"D76","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127081,1,1,TB000000/REP033,00,00,1/POSDMU,202702, 43.816,-  3.979,  4245,350\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734433,"usec":155045},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.257775,"noise_level":-27.269251,"freq_skew":0.891674,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734433,"usec":904627},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.597943,"noise_level":-26.934792,"freq_skew":-1.240142,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":748,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734433,"usec":905155},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352088,"noise_level":-26.915512,"freq_skew":0.428617,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[11,150,77,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734433,"usec":908330},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.728714,"noise_level":-26.819756,"freq_skew":0.571111,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":9159,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734434,"usec":677583},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.322474,"noise_level":-26.230707,"freq_skew":-1.483185,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734435,"usec":434997},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.955087,"noise_level":-25.967768,"freq_skew":-0.317145,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"DS34XD","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734435,"usec":434997},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.955087,"noise_level":-25.967768,"freq_skew":-0.317145,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,101,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734436,"usec":188658},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.913464,"noise_level":-26.594578,"freq_skew":-0.095065,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734436,"usec":956255},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449059,"noise_level":-26.628902,"freq_skew":0.779516,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30747,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[79,64]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734436,"usec":958287},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465834,"noise_level":-26.536236,"freq_skew":1.819076,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":286,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734436,"usec":959712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.529113,"noise_level":-26.481110,"freq_skew":0.179407,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734436,"usec":960864},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546169,"noise_level":-26.444550,"freq_skew":0.922708,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2035,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[143,92]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734436,"usec":962840},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.038342,"noise_level":-26.371889,"freq_skew":-0.273685,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734436,"usec":964366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.564070,"noise_level":-26.299831,"freq_skew":1.793214,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734437,"usec":715360},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251938,"noise_level":-26.729469,"freq_skew":2.014701,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.200001,"lon":-4.900000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734437,"usec":715689},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.339271,"noise_level":-26.710640,"freq_skew":0.475049,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734437,"usec":716940},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090120,"noise_level":-26.654396,"freq_skew":-1.662381,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.200001,"lon":-3.200000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734437,"usec":723639},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.169526,"noise_level":-26.378519,"freq_skew":0.694103,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734437,"usec":724219},"freq":136975000,"burst_len_octets":390,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786093,"noise_level":-26.360435,"freq_skew":1.851622,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"5","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"B","msg_text":"5011G     293P290252010G     331P282273009G     380P270280010G     433P257289010G     484P242302009G     535P230311009G    /N37331W005570 786P162011005G    N37363W005541 995P112167002G    N37399W0055141206P0903"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734437,"usec":724219},"freq":136975000,"burst_len_octets":390,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.786093,"noise_level":-26.360435,"freq_skew":1.851622,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.200001,"lon":-4.900000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734437,"usec":724219},"freq":136975000,"burst_len_octets":390,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.786093,"noise_level":-26.360435,"freq_skew":1.851622,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734438,"usec":475860},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.049065,"noise_level":-26.342388,"freq_skew":-1.477573,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"TP93ZS","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734438,"usec":475860},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.049065,"noise_level":-26.342388,"freq_skew":-1.477573,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251222","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,146,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734438,"usec":476062},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.272694,"noise_level":-26.342388,"freq_skew":1.863623,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3733,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[124,52]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734438,"usec":478269},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788077,"noise_level":-26.252712,"freq_skew":1.644844,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.000000,"lon":-4.100000},"alt":39000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734438,"usec":486026},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715379,"noise_level":-25.954567,"freq_skew":1.650553,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":636,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,90,89,0,64,16,235],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734439,"usec":237551},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.855585,"noise_level":-25.851734,"freq_skew":1.722800,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734439,"usec":244688},"freq":136975000,"burst_len_octets":497,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699830,"noise_level":-25.599859,"freq_skew":2.085808,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"6","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"C","msg_text":"12006G    N37439W0054921316P060330006G    N37481W0054681482P030294014G    N37529W0054421668M015307016G    N37575W0054171851M057333018G    N38023W0053912003M095338016G    N38071W0053652146M130335019G    N38121W0"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734439,"usec":244688},"freq":136975000,"burst_len_octets":497,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.699830,"noise_level":-25.599859,"freq_skew":2.085808,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":637,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":13,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,69,90,89,0,64,16,235]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,69,90,89,0,64,16,235]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734439,"usec":244688},"freq":136975000,"burst_len_octets":497,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.699830,"noise_level":-25.599859,"freq_skew":2.085808,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":638,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":3,"ack":1,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":14,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,69,90,89,0,64,16,235]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,69,90,89,0,64,16,235]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734440,"usec":2616},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.628216,"noise_level":-25.566822,"freq_skew":1.365870,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":818,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734440,"usec":4943},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.301894,"noise_level":-25.834282,"freq_skew":1.805099,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":620,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[17,195,242,226]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734440,"usec":6151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.544713,"noise_level":-26.182882,"freq_skew":-1.525974,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734440,"usec":10506},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.173057,"noise_level":-26.007664,"freq_skew":2.016437,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734440,"usec":11510},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547294,"noise_level":-25.973042,"freq_skew":0.196362,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734440,"usec":772772},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561847,"noise_level":-25.747570,"freq_skew":1.953081,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":639,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734440,"usec":773840},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663258,"noise_level":-25.697212,"freq_skew":1.921672,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-8.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734440,"usec":775858},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581532,"noise_level":-25.680492,"freq_skew":0.562368,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19533,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[41,74,238,97]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":20}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFBB"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734441,"usec":524570},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647202,"noise_level":-25.850327,"freq_skew":1.412763,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":556,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[237,185,125,178]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[50,121,105,182]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734441,"usec":525251},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620842,"noise_level":-25.816324,"freq_skew":2.027993,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"U292QR","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734441,"usec":525251},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.620842,"noise_level":-25.816324,"freq_skew":2.027993,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20053061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,86,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734441,"usec":525432},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969416,"noise_level":-25.816324,"freq_skew":1.844848,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734441,"usec":527967},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781829,"noise_level":-25.731895,"freq_skew":-0.657333,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ENGM"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-3.100000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734441,"usec":529602},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.268032,"noise_level":-26.860476,"freq_skew":0.548027,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19536,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[253,31,191,249]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734442,"usec":291740},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.924597,"noise_level":-26.652491,"freq_skew":1.681124,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1649,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734442,"usec":298944},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625211,"noise_level":-26.322544,"freq_skew":0.538405,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19539,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8277,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[100,102,156,67]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":21}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734443,"usec":50897},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.579624,"noise_level":-26.268751,"freq_skew":1.448200,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734443,"usec":51902},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938663,"noise_level":-27.034180,"freq_skew":1.879293,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734443,"usec":55509},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.218953,"noise_level":-26.879389,"freq_skew":1.933561,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGP"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-8.000000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734443,"usec":58737},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.144821,"noise_level":-26.727306,"freq_skew":-1.945887,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[158,20,222,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734443,"usec":58737},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.144821,"noise_level":-26.727306,"freq_skew":-1.945887,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":741,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43318,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[12,9,122,29]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":21}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734443,"usec":59899},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.128283,"noise_level":-26.689701,"freq_skew":0.600575,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734443,"usec":813671},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700593,"noise_level":-27.085938,"freq_skew":1.608552,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":818,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734444,"usec":570966},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.709015,"noise_level":-26.796238,"freq_skew":0.558565,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":9823,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734444,"usec":572688},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.291753,"noise_level":-26.720591,"freq_skew":-1.932813,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734444,"usec":576698},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579318,"noise_level":-26.552752,"freq_skew":1.885570,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"7","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"D","msg_text":"053382284M165339016G    N38171W0053102425M197343018G    N38223W0052822531M222325016G    N38277W0052532651M252318017G    N38330W0052232759M275310021G    N38385W0051932868M300311023G    N38440W0051633006M33731202"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734444,"usec":576986},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.763576,"noise_level":-26.552752,"freq_skew":1.344632,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734446,"usec":93739},"freq":136975000,"burst_len_octets":210,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566658,"noise_level":-25.775887,"freq_skew":1.696903,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"8","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"E","msg_text":"02A282026LEZLEGKKN37245W005539282006  23P277      56P285231009G      92P285252009G     126P280262012G     150P290255015G     170P300245014G     186P300232014G     206P295230013G     232P290238011G     260P290255011G     293P290252010G     331P282273009G     380P270280010G     433P257289010G     484P242302009G     535P230311009G    /N37331W005570 786P162011005G    N37363W005541 995P112167002G    N37399W0055141206P090312006G    N37439W0054921316P060330006G    N37481W0054681482P030294014G    N37529W0054421668M015307016G    N37575W0054171851M057333018G    N38023W0053912003M095338016G    N38071W0053652146M130335019G    N38121W0053382284M165339016G    N38171W0053102425M197343018G    N38223W0052822531M222325016G    N38277W0052532651M252318017G    N38330W0052232759M275310021G    N38385W0051932868M300311023G    N38440W0051633006M337312023G    N38495W0051333148M377313025G    N38550W0051033225M402307025G    N39005W0050673323M425301022G    N39057W0050243425M445292024G    N39109W0045813482M460286028G    "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734446,"usec":96097},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.412071,"noise_level":-25.708590,"freq_skew":2.086251,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734446,"usec":99272},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.869164,"noise_level":-25.575541,"freq_skew":1.015310,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2036,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43317,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[195,254]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734446,"usec":99818},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.038296,"noise_level":-25.559053,"freq_skew":1.659014,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.200001,"lon":-4.900000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734446,"usec":100336},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.558499,"noise_level":-25.542595,"freq_skew":0.533671,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[245,24,176,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734446,"usec":859097},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.275995,"noise_level":-25.460773,"freq_skew":0.610648,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[85,247,5,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734446,"usec":859466},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.740065,"noise_level":-25.460773,"freq_skew":1.625882,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.000000,"lon":-4.100000},"alt":39000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734446,"usec":861131},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.446625,"noise_level":-26.387310,"freq_skew":1.114408,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2037,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1585,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[43,61]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734446,"usec":864479},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.621618,"noise_level":-26.261379,"freq_skew":0.686031,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":9823,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734447,"usec":626470},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461667,"noise_level":-25.894184,"freq_skew":-1.821458,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734447,"usec":628279},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.675854,"noise_level":-25.808998,"freq_skew":1.991359,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734447,"usec":628616},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.492517,"noise_level":-25.808998,"freq_skew":0.988531,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2038,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":8,"dst_ref":43317,"variable_part_params":[{"name":"checksum","value":[86,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734448,"usec":390305},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569239,"noise_level":-26.173378,"freq_skew":1.257237,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":819,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,32,250,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734448,"usec":391341},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369183,"noise_level":-26.223667,"freq_skew":1.728512,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734449,"usec":152152},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.405246,"noise_level":-25.858030,"freq_skew":0.441261,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[245,24,176,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734449,"usec":153290},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.552495,"noise_level":-25.807030,"freq_skew":-0.690639,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ENGM"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-3.100000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734449,"usec":153858},"freq":136975000,"burst_len_octets":210,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709858,"noise_level":-25.790096,"freq_skew":1.799769,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"8","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"E","msg_text":"3G    N38495W0051333148M377313025G    N38550W0051033225M402307025G    N39005W0050673323M425301022G    N39057W0050243425M445292024G    N39109W0045813482M460286028G    "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734449,"usec":154608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.534837,"noise_level":-25.773197,"freq_skew":1.675543,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734449,"usec":155627},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.342912,"noise_level":-25.722691,"freq_skew":1.177029,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":362,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[174,70,159,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734449,"usec":156215},"freq":136975000,"burst_len_octets":210,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836501,"noise_level":-25.722691,"freq_skew":1.738045,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"H2","blk_id":"8","ack":"!","flight":"U253LM","msg_num":"M79","msg_num_seq":"E","msg_text":"3G    N38495W0051333148M377313025G    N38550W0051033225M402307025G    N39005W0050673323M425301022G    N39057W0050243425M445292024G    N39109W0045813482M460286028G    "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734449,"usec":907422},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.975870,"noise_level":-25.689182,"freq_skew":0.678987,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734449,"usec":913421},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.403019,"noise_level":-25.458176,"freq_skew":0.625123,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734450,"usec":675777},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.936843,"noise_level":-25.233156,"freq_skew":0.647133,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[221,73,57,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734450,"usec":676869},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.211327,"noise_level":-25.526800,"freq_skew":0.857472,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734451,"usec":426681},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.873086,"noise_level":-25.236300,"freq_skew":-2.241337,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OCS","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"IB0591","msg_num":"D26","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,175912,1,1,TB000000/REP033,00,00,1/POSDMU,202718, 43.743,-  1.642,  4463,340\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734451,"usec":428787},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.380703,"noise_level":-25.157299,"freq_skew":1.041215,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2039,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[161,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734451,"usec":430024},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601248,"noise_level":-25.141582,"freq_skew":2.204227,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWK","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"U212RW","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734451,"usec":430024},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.601248,"noise_level":-25.141582,"freq_skew":2.204227,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20064414","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,105,12,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734451,"usec":433225},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.073416,"noise_level":-25.079010,"freq_skew":1.728447,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734451,"usec":435498},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977073,"noise_level":-25.047892,"freq_skew":-2.038353,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":742,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734451,"usec":436428},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.458987,"noise_level":-25.016882,"freq_skew":-0.622280,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":405,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734451,"usec":437785},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.653733,"noise_level":-24.970577,"freq_skew":1.267157,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":819,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,32,250,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734452,"usec":197840},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.153827,"noise_level":-24.697815,"freq_skew":0.402649,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734452,"usec":200138},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.933604,"noise_level":-24.623543,"freq_skew":0.644168,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"dst_nsap":[71,0,39,65,69,74,85,0,68,0,49,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":34563,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61073,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[137,118,74,220]},{"name":"checksum","value":[78,122]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734452,"usec":200875},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640131,"noise_level":-24.594011,"freq_skew":-2.010849,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734452,"usec":201022},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945894,"noise_level":-24.594011,"freq_skew":0.512389,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"dst_nsap":[71,0,39,65,69,74,85,0,68,0,49,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":34563,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61073,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[137,118,74,220]},{"name":"checksum","value":[78,122]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25264386,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734452,"usec":960292},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.365520,"noise_level":-24.476875,"freq_skew":1.416232,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":362,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[174,70,159,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734452,"usec":961956},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563652,"noise_level":-24.418898,"freq_skew":1.388759,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734452,"usec":962094},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425226,"noise_level":-24.418898,"freq_skew":-1.515354,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[28,214,253,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734452,"usec":963827},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.966890,"noise_level":-24.780598,"freq_skew":0.521304,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"dst_nsap":[71,0,39,65,69,74,85,0,68,0,49,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":34563,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61073,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[137,118,74,220]},{"name":"checksum","value":[78,122]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734452,"usec":965192},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.670136,"noise_level":-25.792334,"freq_skew":1.142027,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2040,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[157,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734452,"usec":969390},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.404534,"noise_level":-26.525288,"freq_skew":2.061985,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734453,"usec":713474},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369466,"noise_level":-26.488543,"freq_skew":0.590142,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734453,"usec":714962},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618539,"noise_level":-26.415518,"freq_skew":0.465827,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":302,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734453,"usec":719254},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.768945,"noise_level":-26.289179,"freq_skew":0.995273,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2041,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1585,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[78,75]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734453,"usec":723025},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.587617,"noise_level":-26.164654,"freq_skew":0.499393,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":10102,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734454,"usec":479108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596758,"noise_level":-26.137705,"freq_skew":2.042093,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734454,"usec":481190},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.298529,"noise_level":-26.469706,"freq_skew":2.020274,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.200001,"lon":-4.900000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734454,"usec":486460},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.759522,"noise_level":-26.270769,"freq_skew":0.589198,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":34300,"segment_offset":0,"pdu_total_len":152},"reasm_status":"skipped","options":[{"name":"lref","value":[65]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30805,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[213,143,59,219]},{"name":"checksum","value":[112,194]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect"}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734454,"usec":486770},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.707644,"noise_level":-26.926479,"freq_skew":0.653548,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,69,88,83,0,64,112,46,0,1,0,0,0,0,0,1,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":34300,"segment_offset":0,"pdu_total_len":152},"reasm_status":"skipped","options":[{"name":"lref","value":[65]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30805,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[213,143,59,219]},{"name":"checksum","value":[112,194]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734454,"usec":487687},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642145,"noise_level":-26.888004,"freq_skew":2.043084,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3734,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[45,6]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734454,"usec":487803},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593828,"noise_level":-26.888004,"freq_skew":-0.466411,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":405,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734454,"usec":487988},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635207,"noise_level":-27.840393,"freq_skew":1.625289,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"U253LM","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734454,"usec":487988},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.635207,"noise_level":-27.840393,"freq_skew":1.625289,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734455,"usec":242331},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331371,"noise_level":-27.733940,"freq_skew":-1.788492,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734455,"usec":249337},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.653164,"noise_level":-27.605190,"freq_skew":1.604403,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":819,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,32,250,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734455,"usec":250223},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.386450,"noise_level":-28.058907,"freq_skew":-2.028619,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734455,"usec":250355},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839754,"noise_level":-28.036966,"freq_skew":0.442316,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734456,"usec":2042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954414,"noise_level":-27.993256,"freq_skew":1.899172,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734456,"usec":2264},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510069,"noise_level":-27.993256,"freq_skew":-1.956486,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":41,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1555,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[70,241,55,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734456,"usec":4061},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.250567,"noise_level":-27.884926,"freq_skew":-1.736215,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":8278,"dst_ref":30805,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[194,87,38,213]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734456,"usec":8920},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.246655,"noise_level":-27.672237,"freq_skew":-0.264139,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":694,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[213,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734456,"usec":9925},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557954,"noise_level":-27.630320,"freq_skew":0.744791,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8278,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[225,88,119,127]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734456,"usec":760235},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.970078,"noise_level":-27.907089,"freq_skew":-2.856378,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNJ","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"TP37GT","msg_num":"M15","msg_num_seq":"A","msg_text":"/LEMD.TI2/040LEMDA91F9"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734456,"usec":767537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.967590,"noise_level":-27.568401,"freq_skew":1.784980,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734456,"usec":769500},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.805250,"noise_level":-27.485754,"freq_skew":0.606592,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"dst_nsap":[71,0,39,65,69,74,85,0,68,0,49,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":34563,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61073,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[137,118,74,220]},{"name":"checksum","value":[78,122]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734456,"usec":770428},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.585727,"noise_level":-27.485754,"freq_skew":-1.805512,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734456,"usec":771869},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.673093,"noise_level":-27.873520,"freq_skew":1.591409,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.000000,"lon":-4.100000},"alt":39000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734457,"usec":528693},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695961,"noise_level":-28.399837,"freq_skew":-0.610142,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ENGM"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-3.100000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734457,"usec":528818},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.865557,"noise_level":-28.399837,"freq_skew":-1.859982,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[31,90,205,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734457,"usec":530532},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470270,"noise_level":-28.331568,"freq_skew":0.448377,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734457,"usec":530740},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642519,"noise_level":-28.331568,"freq_skew":0.484504,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34313,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[214,222,81,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734457,"usec":531027},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.166373,"noise_level":-28.308929,"freq_skew":1.329229,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"PC1561","msg_num":"M05","msg_num_seq":"A","msg_text":"/LPPT.TI2/040LPPTA345A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734457,"usec":531911},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.917319,"noise_level":-28.263832,"freq_skew":1.520893,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"U215KW","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734457,"usec":531911},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.917319,"noise_level":-28.263832,"freq_skew":1.520893,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062471","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,101,57,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734457,"usec":533652},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890895,"noise_level":-28.218964,"freq_skew":-2.173365,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[1,60,138,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734457,"usec":534356},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.842603,"noise_level":-28.380642,"freq_skew":1.599240,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-4.900000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734457,"usec":535415},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.665052,"noise_level":-28.335169,"freq_skew":0.673787,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734458,"usec":289504},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.325406,"noise_level":-28.464581,"freq_skew":0.452500,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[6,90,242,53]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":6,"acked_credit":2}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734458,"usec":293372},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.060135,"noise_level":-28.593512,"freq_skew":-0.515578,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"SK4680","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734458,"usec":293372},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.060135,"noise_level":-28.593512,"freq_skew":-0.515578,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22544746","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,74,201,230,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734458,"usec":294802},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.520059,"noise_level":-28.523712,"freq_skew":0.935909,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2041,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1585,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[78,75]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734458,"usec":295062},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.901935,"noise_level":-28.523712,"freq_skew":0.549740,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22544746","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734458,"usec":297756},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.980685,"noise_level":-28.638802,"freq_skew":-2.874792,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNJ","mode":"2","label":"_d","blk_id":"9","ack":"O","flight":"TP37GT","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734458,"usec":298476},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.296547,"noise_level":-29.010849,"freq_skew":0.445364,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":49426},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991551,"noise_level":-28.986374,"freq_skew":1.503605,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"VY04LJ","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":49426},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.991551,"noise_level":-28.986374,"freq_skew":1.503605,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,68,9,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":49853},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.984573,"noise_level":-29.712019,"freq_skew":-0.539062,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":405,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":49853},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.984573,"noise_level":-29.712019,"freq_skew":-0.539062,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":50867},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583398,"noise_level":-29.918310,"freq_skew":0.654457,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22544746","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":808060},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690114,"noise_level":-29.390480,"freq_skew":-0.210001,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-2.600000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":810559},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.171284,"noise_level":-29.263390,"freq_skew":1.969865,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-3.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":811020},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.673425,"noise_level":-29.238190,"freq_skew":0.619017,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":811169},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742359,"noise_level":-29.238190,"freq_skew":1.560161,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":811276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498446,"noise_level":-29.238190,"freq_skew":-0.431788,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":813904},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728890,"noise_level":-29.138126,"freq_skew":1.751285,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":621,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1561,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,69,248,228]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1561,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[125,249,126,20]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":816874},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.660411,"noise_level":-29.063828,"freq_skew":-0.397976,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"DS34XD","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":817789},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.334744,"noise_level":-29.570339,"freq_skew":-0.245482,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,101,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734459,"usec":820211},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.611547,"noise_level":-29.492264,"freq_skew":0.498357,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734460,"usec":575549},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.045255,"noise_level":-29.457134,"freq_skew":-1.882533,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":44.400002,"lon":-4.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734460,"usec":576407},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339988,"noise_level":-29.405685,"freq_skew":-2.732161,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNJ","mode":"2","label":"_d","blk_id":"0","ack":"P","flight":"TP37GT","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734460,"usec":579893},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.702379,"noise_level":-29.227962,"freq_skew":-2.072947,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"EI058K","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734460,"usec":580206},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.004646,"noise_level":-29.202866,"freq_skew":1.937150,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5558,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[201,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734460,"usec":581700},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.091580,"noise_level":-29.128016,"freq_skew":-2.025779,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23121311","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,162,201,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734460,"usec":583053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.351801,"noise_level":-29.053802,"freq_skew":1.616020,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734460,"usec":583204},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.018044,"noise_level":-29.053802,"freq_skew":0.570006,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"dst_nsap":[71,0,39,65,69,74,85,0,68,0,49,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":34563,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61073,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[137,118,74,220]},{"name":"checksum","value":[78,122]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734460,"usec":584121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.175288,"noise_level":-29.394495,"freq_skew":0.700863,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734460,"usec":584281},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.006774,"noise_level":-29.394495,"freq_skew":0.691663,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA2C9","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[6,90,242,53]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":6,"acked_credit":2}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734460,"usec":584281},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.006774,"noise_level":-29.394495,"freq_skew":0.691663,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"_d","blk_id":"X","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734461,"usec":336479},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.684176,"noise_level":-30.112553,"freq_skew":0.877533,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":788,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[240,167,171,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734461,"usec":340056},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.006042,"noise_level":-30.360825,"freq_skew":-0.146115,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734461,"usec":340552},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630200,"noise_level":-30.332241,"freq_skew":0.660570,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22615145","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":95889},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.455322,"noise_level":-29.941626,"freq_skew":0.686395,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":10298,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":96044},"freq":136975000,"burst_len_octets":26,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453473,"noise_level":-29.914387,"freq_skew":-1.945688,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":96044},"freq":136975000,"burst_len_octets":26,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.453473,"noise_level":-29.914387,"freq_skew":-1.945688,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":96830},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.634630,"noise_level":-29.887234,"freq_skew":0.952017,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ESV","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR08XT","msg_num":"M71","msg_num_seq":"A","msg_text":"202740,,2211, 166,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":99239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.254696,"noise_level":-30.214424,"freq_skew":1.354440,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":102765},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.090728,"noise_level":-30.047123,"freq_skew":-0.231715,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":103268},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921804,"noise_level":-30.492283,"freq_skew":-0.447225,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":695,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[182,192]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":104759},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256601,"noise_level":-30.376778,"freq_skew":-2.072319,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":861151},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596295,"noise_level":-30.234526,"freq_skew":-1.502626,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":668,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[196,139,73,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":861980},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.960998,"noise_level":-30.178270,"freq_skew":-0.609894,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734462,"usec":868583},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445622,"noise_level":-29.794369,"freq_skew":1.811002,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":621,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1561,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,69,248,228]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1561,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[125,249,126,20]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734463,"usec":620386},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482661,"noise_level":-29.273796,"freq_skew":-2.821663,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNJ","mode":"2","label":"_d","blk_id":"0","ack":"P","flight":"TP37GT","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734463,"usec":621276},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.818285,"noise_level":-29.380835,"freq_skew":0.679793,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGPH"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["1191CA","119A8A","1298AA","119A6A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734463,"usec":622716},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.806994,"noise_level":-30.140926,"freq_skew":1.848287,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734463,"usec":624039},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.174836,"noise_level":-30.113052,"freq_skew":0.954929,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734463,"usec":625204},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.057313,"noise_level":-30.185373,"freq_skew":1.601889,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734463,"usec":626684},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643229,"noise_level":-30.101601,"freq_skew":0.699148,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734464,"usec":382283},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.418794,"noise_level":-30.182600,"freq_skew":0.597982,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,75,169,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734464,"usec":382526},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.984686,"noise_level":-30.154593,"freq_skew":0.913723,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734464,"usec":386403},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690695,"noise_level":-29.961044,"freq_skew":1.917497,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":358,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[222,86,205,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734464,"usec":387806},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.111672,"noise_level":-30.566872,"freq_skew":1.118786,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":788,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[240,167,171,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734464,"usec":390587},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.726425,"noise_level":-30.421495,"freq_skew":0.585721,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"dst_nsap":[71,0,39,65,69,74,85,0,68,0,49,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":34563,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61073,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[137,118,74,220]},{"name":"checksum","value":[78,122]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734464,"usec":392880},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659245,"noise_level":-30.250198,"freq_skew":-0.328700,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[167,0,247,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":148054},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854613,"noise_level":-30.940639,"freq_skew":1.354364,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":557,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":67,"dst_ref":61073,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[221,150,178,61]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":149125},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790803,"noise_level":-30.879639,"freq_skew":0.699588,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"20076261","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,64,124,177,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":149551},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.505680,"noise_level":-31.757465,"freq_skew":0.657217,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":149663},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.395403,"noise_level":-31.723902,"freq_skew":1.947337,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":622,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1561,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,181,201,147]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":149663},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.395403,"noise_level":-31.723902,"freq_skew":1.947337,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":623,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43373,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[76,93,24,243]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":150051},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511844,"noise_level":-31.723902,"freq_skew":1.282630,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":760,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[109,46,103,150]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1524,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[220,188,189,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":150051},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.511844,"noise_level":-31.723902,"freq_skew":1.282630,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":761,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[224,176,116,227]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":150465},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.060830,"noise_level":-31.690468,"freq_skew":-0.336287,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":153104},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.180995,"noise_level":-31.459976,"freq_skew":0.451584,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":153742},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.759193,"noise_level":-31.427540,"freq_skew":0.583152,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"out of sequence","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34597,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[98,191,65,107]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":154134},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.394048,"noise_level":-31.395227,"freq_skew":0.655946,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKE","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FRRUK7","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":154945},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.660344,"noise_level":-31.330959,"freq_skew":0.986965,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2042,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1585,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[78,75]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":155390},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737120,"noise_level":-31.299002,"freq_skew":0.686998,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":254,"calling_addr":"20076261","facilities":[{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":156060},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706049,"noise_level":-31.267164,"freq_skew":2.075330,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":910846},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.026740,"noise_level":-31.109694,"freq_skew":1.856735,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":911724},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.077200,"noise_level":-31.047495,"freq_skew":1.900909,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43210,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[201,45]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":913346},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529963,"noise_level":-30.924419,"freq_skew":1.839350,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":624,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":78,"dst_ref":1561,"variable_part_params":[{"name":"atn_checksum","value":[147,50,125,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":915057},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.413113,"noise_level":-30.803066,"freq_skew":0.634296,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":918077},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.199738,"noise_level":-30.594690,"freq_skew":1.947211,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734465,"usec":919287},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.181659,"noise_level":-30.506895,"freq_skew":2.103451,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":625,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[132,99,237,210]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734466,"usec":670366},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920209,"noise_level":-30.506895,"freq_skew":1.548844,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":615,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734466,"usec":670658},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.146870,"noise_level":-30.679508,"freq_skew":-0.443591,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"5Y","blk_id":"8","ack":"!","flight":"TP0555","msg_num":"M53","msg_num_seq":"A","msg_text":"---2109  41N 411026,W  61818,36963,  433875,MS48,308, 43,248,202742,9240"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734466,"usec":671640},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736538,"noise_level":-30.620306,"freq_skew":1.381931,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734466,"usec":678830},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584406,"noise_level":-30.132744,"freq_skew":0.633599,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKE","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734467,"usec":430786},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.216099,"noise_level":-30.051947,"freq_skew":0.599178,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734467,"usec":431410},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.081279,"noise_level":-30.024361,"freq_skew":0.724035,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734467,"usec":437226},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.578403,"noise_level":-29.647057,"freq_skew":2.124089,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734467,"usec":439603},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.309981,"noise_level":-29.490242,"freq_skew":0.582905,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":196740},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319611,"noise_level":-30.151424,"freq_skew":1.926800,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-3.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":198121},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.091191,"noise_level":-30.040337,"freq_skew":1.947410,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5560,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43210,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[39,41]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":201394},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.259831,"noise_level":-29.822338,"freq_skew":2.598067,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":812,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[241,91,85,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":201628},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.259038,"noise_level":-29.822338,"freq_skew":0.651689,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34597,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[98,191,65,107]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":201833},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166068,"noise_level":-29.822338,"freq_skew":1.251299,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":557,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":67,"dst_ref":61073,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[221,150,178,61]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":202918},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209923,"noise_level":-29.777487,"freq_skew":0.561269,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19568,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":10,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[43,242,125,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":203955},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.152738,"noise_level":-29.697540,"freq_skew":-0.143476,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":206575},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.874259,"noise_level":-29.592075,"freq_skew":1.838684,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":604,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[246,9,101,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":952378},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522929,"noise_level":-29.410536,"freq_skew":0.450378,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":254,"calling_addr":"20076261","facilities":[{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":954953},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720944,"noise_level":-29.232716,"freq_skew":1.319087,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":958253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.152865,"noise_level":-29.083141,"freq_skew":0.639235,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":958992},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.279235,"noise_level":-29.058460,"freq_skew":0.876999,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734468,"usec":959942},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.407954,"noise_level":-29.033852,"freq_skew":2.188037,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010335","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,16,221,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734469,"usec":721824},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.886754,"noise_level":-28.625803,"freq_skew":0.397882,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734469,"usec":725972},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.411151,"noise_level":-28.394434,"freq_skew":0.735991,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKE","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734469,"usec":726861},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.429142,"noise_level":-28.348888,"freq_skew":1.963858,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734470,"usec":482975},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.278261,"noise_level":-27.949392,"freq_skew":1.141462,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":762,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1524,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[196,15,54,144]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":48}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734470,"usec":487077},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433589,"noise_level":-27.756330,"freq_skew":1.881073,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXM","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"BA07JD","msg_num":"S67","msg_num_seq":"A","msg_text":"0EV202747V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":27,"sec":47}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734471,"usec":246057},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.654896,"noise_level":-27.609081,"freq_skew":1.890172,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[190,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734471,"usec":246530},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.074129,"noise_level":-28.356581,"freq_skew":0.660621,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734471,"usec":251351},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.842942,"noise_level":-28.110054,"freq_skew":1.283234,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"_d","blk_id":"4","ack":"N","flight":"PC1561","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734471,"usec":251771},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383302,"noise_level":-29.097158,"freq_skew":-2.161094,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":521,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[18,28,20,110]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43343,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[122,170,72,131]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":27,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734472,"usec":2478},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961555,"noise_level":-28.709839,"freq_skew":1.280723,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734472,"usec":7526},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.520732,"noise_level":-28.476250,"freq_skew":1.170426,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2043,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[140,90]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734472,"usec":8793},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338849,"noise_level":-28.407381,"freq_skew":1.394292,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":763,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[224,205,98,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734472,"usec":764834},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919874,"noise_level":-28.339052,"freq_skew":0.386857,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[173,187,16,90]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734472,"usec":766064},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.129015,"noise_level":-28.271255,"freq_skew":-2.095871,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734472,"usec":773601},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.671443,"noise_level":-27.853756,"freq_skew":2.161394,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734473,"usec":519739},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203460,"noise_level":-27.725975,"freq_skew":1.522934,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4331,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43338,"credit":3,"rseq":2,"variable_part_params":[{"name":"checksum","value":[67,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734474,"usec":288029},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.014727,"noise_level":-27.074524,"freq_skew":-2.249656,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734474,"usec":291960},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.036798,"noise_level":-26.919018,"freq_skew":0.148515,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":661,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734475,"usec":52208},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.110400,"noise_level":-26.709644,"freq_skew":-1.758912,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":669,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1473,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[159,88,228,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734475,"usec":55323},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.253850,"noise_level":-26.597534,"freq_skew":1.231088,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":879,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[98,20,83,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734475,"usec":58491},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677588,"noise_level":-27.676828,"freq_skew":-3.406056,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":41.200001,"lon":-0.800000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734475,"usec":60632},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.234882,"noise_level":-27.572350,"freq_skew":0.470125,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734475,"usec":64240},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.495656,"noise_level":-27.469116,"freq_skew":0.561130,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734475,"usec":820160},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.322103,"noise_level":-27.407761,"freq_skew":1.256393,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":792,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734475,"usec":820755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.041911,"noise_level":-27.367094,"freq_skew":0.542053,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734475,"usec":823070},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.689845,"noise_level":-27.286329,"freq_skew":0.815523,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":79,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734475,"usec":828223},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528161,"noise_level":-28.027182,"freq_skew":1.375713,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43338,"credit":3,"rseq":2,"variable_part_params":[{"name":"checksum","value":[0,46]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734476,"usec":571140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740181,"noise_level":-27.853828,"freq_skew":1.457167,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734476,"usec":572765},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.906484,"noise_level":-27.789703,"freq_skew":0.032063,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":340,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[249,144,167,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734476,"usec":573056},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.889219,"noise_level":-27.768433,"freq_skew":0.625861,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734476,"usec":574148},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522771,"noise_level":-27.704933,"freq_skew":0.532040,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":80,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[60,198,23,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734476,"usec":583353},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.940235,"noise_level":-27.373888,"freq_skew":0.443627,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1539,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[154,35,174,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734476,"usec":583634},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.724078,"noise_level":-27.373888,"freq_skew":0.046147,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734477,"usec":339936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.589046,"noise_level":-27.353611,"freq_skew":0.537360,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734477,"usec":346103},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.906159,"noise_level":-27.054998,"freq_skew":-2.151678,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734478,"usec":109061},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.143053,"noise_level":-26.413900,"freq_skew":-1.485255,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":669,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1473,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[159,88,228,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734479,"usec":622135},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.876818,"noise_level":-25.766127,"freq_skew":0.967850,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":60,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1534,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[139,239,88,216]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734479,"usec":631480},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.204254,"noise_level":-25.516685,"freq_skew":2.004049,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":626,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734479,"usec":631725},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.094357,"noise_level":-25.516685,"freq_skew":0.541842,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":10812,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734480,"usec":389130},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158989,"noise_level":-25.976221,"freq_skew":1.775139,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.299999,"lon":-4.800000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734480,"usec":391540},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569752,"noise_level":-25.924526,"freq_skew":0.712084,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4010EB","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734480,"usec":392305},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.211058,"noise_level":-26.775845,"freq_skew":-2.151029,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734480,"usec":393535},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176236,"noise_level":-26.700373,"freq_skew":1.098288,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-7.400000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734480,"usec":394788},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792445,"noise_level":-26.625553,"freq_skew":0.480755,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734481,"usec":138532},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.383779,"noise_level":-26.588381,"freq_skew":0.887494,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734481,"usec":139188},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497910,"noise_level":-26.551369,"freq_skew":1.651245,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"U253LM","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734481,"usec":139188},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.497910,"noise_level":-26.551369,"freq_skew":1.651245,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734481,"usec":140021},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571981,"noise_level":-26.517136,"freq_skew":0.323014,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-IJO","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR97JL","msg_num":"D23","msg_num_seq":"A","sublabel":"DF","msg_text":"B03A     \r\nAPM     EI-IJO          RYR97JL EGBBLPFR280725191741,737789     ,BCG3AL2000002,.782,,456.9,241.7,,,-21.35,,,38997,,, 67324,,,1030,1045,,, 87.27, 87.29,,, 3.1,489.6,,,0,0,,0,0,,0,0,0,0,0,0,,, 47.7"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734481,"usec":141685},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640832,"noise_level":-26.407467,"freq_skew":0.691172,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4010EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734481,"usec":906460},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.141004,"noise_level":-26.139202,"freq_skew":0.592396,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4010EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"_d","blk_id":"Z","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734481,"usec":914631},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.543860,"noise_level":-25.947611,"freq_skew":1.638413,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734481,"usec":915945},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.106329,"noise_level":-25.896084,"freq_skew":2.146252,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734482,"usec":669798},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066235,"noise_level":-25.609734,"freq_skew":2.104692,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":626,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734482,"usec":681036},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466881,"noise_level":-25.380806,"freq_skew":-3.381136,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":41.200001,"lon":-0.800000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734483,"usec":435549},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.680293,"noise_level":-25.300486,"freq_skew":0.461915,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734483,"usec":436676},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788445,"noise_level":-25.236761,"freq_skew":2.193427,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-3.600000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734483,"usec":439354},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.775777,"noise_level":-26.014919,"freq_skew":0.452488,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734483,"usec":441891},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313471,"noise_level":-26.414297,"freq_skew":2.231561,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"U245GK","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734483,"usec":441891},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.313471,"noise_level":-26.414297,"freq_skew":2.231561,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20060027","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,96,23,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734484,"usec":189795},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.586407,"noise_level":-26.252220,"freq_skew":0.735712,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20060027","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734484,"usec":196126},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.028681,"noise_level":-26.058147,"freq_skew":-2.344011,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,174,37,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734484,"usec":954409},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.579020,"noise_level":-26.293947,"freq_skew":0.634299,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTN","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734484,"usec":955166},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319349,"noise_level":-26.744949,"freq_skew":0.176265,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-IJO","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR97JL","msg_num":"D23","msg_num_seq":"B","sublabel":"DF","msg_text":"569,,,  -3.7471,,,-152.37,,, -5.2,,,-157.5,,,  0.006,-0.003,,,,6.684,,13161, 6557, 6597,    0,,    0,,, 2684, 2748,,, 0.0,,,,, 69617,,,,,, 61308,,, 8309, 3832, 3810,  666,,    -,,,  60B709,  60B829,,,,,,-15"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734484,"usec":955734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.158267,"noise_level":-26.726089,"freq_skew":2.284902,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734484,"usec":956043},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.624459,"noise_level":-27.264175,"freq_skew":0.703648,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406015","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":10932,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734484,"usec":957804},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683050,"noise_level":-27.663080,"freq_skew":1.427768,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[203,113,173,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734485,"usec":723923},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.097340,"noise_level":-27.414806,"freq_skew":1.891164,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734485,"usec":726585},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.106883,"noise_level":-27.335026,"freq_skew":0.490704,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734485,"usec":728613},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.241496,"noise_level":-27.254559,"freq_skew":1.825386,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734485,"usec":728955},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.256447,"noise_level":-27.234558,"freq_skew":0.177710,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734485,"usec":730123},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.983736,"noise_level":-27.174831,"freq_skew":-0.131476,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-6.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734486,"usec":474822},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.295773,"noise_level":-27.037041,"freq_skew":0.247916,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4320,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1512,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[248,50]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734486,"usec":476957},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.229702,"noise_level":-26.882200,"freq_skew":2.085921,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":627,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[217,48,32,125]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734486,"usec":483787},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986851,"noise_level":-26.711243,"freq_skew":-0.559914,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"89","blk_id":"4","ack":"!","flight":"SK4680","msg_num":"M70","msg_num_seq":"A","msg_text":"V08CA/STNMSG/DEST/\r\nHEI. 1X WCHR PLS.\r\nTOM ARNOLD SKATTENBORG.\r\nSEAT 6C.\r\nTAKK. FD4680"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734486,"usec":484614},"freq":136975000,"burst_len_octets":240,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508227,"noise_level":-26.823792,"freq_skew":0.389363,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJO","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR97JL","msg_num":"D23","msg_num_seq":"C","sublabel":"DF","msg_text":"B03A     \r\nAPM     EI-IJO          RYR97JL EGBBLPFR280725191741,737789     ,BCG3AL2000002,.782,,456.9,241.7,,,-21.35,,,38997,,, 67324,,,1030,1045,,, 87.27, 87.29,,, 3.1,489.6,,,0,0,,0,0,,0,0,0,0,0,0,,, 47.7569,,,  -3.7471,,,-152.37,,, -5.2,,,-157.5,,,  0.006,-0.003,,,,6.684,,13161, 6557, 6597,    0,,    0,,, 2684, 2748,,, 0.0,,,,, 69617,,,,,, 61308,,, 8309, 3832, 3810,  666,,    -,,,  60B709,  60B829,,,,,,-150.896,-156.037,,,104.0,104.1,,  17,  18,,,,777.0,790.7,,,,,,,-48.9,,, -0.2,,,  0.2,,,  3.1,,, -2.1, 0.7, 0.6,  0.9, -0.9,,, -0.5,,  3.6,  2.9,,, 1.1, 0.2,,,-0.00,,,-0.00,,, 0.99,,, -0.128,,,\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734487,"usec":248908},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.830351,"noise_level":-26.487398,"freq_skew":1.879266,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":685,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[29,236,153,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734487,"usec":249197},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.225360,"noise_level":-26.540321,"freq_skew":0.646503,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734488,"usec":1220},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.774452,"noise_level":-26.394014,"freq_skew":1.802033,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":686,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[69,86,126,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734488,"usec":1542},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.481126,"noise_level":-26.375900,"freq_skew":0.551940,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734488,"usec":10498},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.115908,"noise_level":-26.126160,"freq_skew":1.340661,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-7.400000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734488,"usec":14182},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.884226,"noise_level":-26.056103,"freq_skew":0.543623,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734488,"usec":767984},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.502519,"noise_level":-25.630617,"freq_skew":0.721951,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53320,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734488,"usec":768306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904233,"noise_level":-25.614025,"freq_skew":0.383614,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734488,"usec":768631},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.408765,"noise_level":-25.597462,"freq_skew":0.427961,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[137,180,111,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734489,"usec":530003},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.083777,"noise_level":-25.489977,"freq_skew":-1.348668,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734489,"usec":531760},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.315647,"noise_level":-25.408646,"freq_skew":1.036924,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[115,110]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734489,"usec":534023},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569692,"noise_level":-25.296047,"freq_skew":0.667302,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":430,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734490,"usec":289627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.333644,"noise_level":-26.228161,"freq_skew":0.713171,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734490,"usec":289782},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.728890,"noise_level":-26.228161,"freq_skew":-1.518734,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":749,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734490,"usec":292595},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.322141,"noise_level":-27.032614,"freq_skew":0.700811,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734490,"usec":297502},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.167150,"noise_level":-27.363403,"freq_skew":0.582600,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734490,"usec":298083},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.276568,"noise_level":-27.343149,"freq_skew":1.679046,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":685,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[29,236,153,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734490,"usec":298083},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.276568,"noise_level":-27.343149,"freq_skew":1.679046,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":686,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[69,86,126,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734490,"usec":298729},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.182390,"noise_level":-27.302784,"freq_skew":0.637211,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734491,"usec":49496},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340165,"noise_level":-27.442781,"freq_skew":0.795662,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":162,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[24,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734491,"usec":49763},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.950791,"noise_level":-27.442781,"freq_skew":0.018444,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.200001,"lon":-8.300000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734491,"usec":50251},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419502,"noise_level":-27.816889,"freq_skew":-3.402194,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":41.200001,"lon":-0.800000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734491,"usec":53383},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809704,"noise_level":-27.647644,"freq_skew":0.685545,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734491,"usec":55464},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.087076,"noise_level":-27.543514,"freq_skew":0.130896,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTK","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"U235GQ","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734491,"usec":809868},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331666,"noise_level":-27.379463,"freq_skew":0.670892,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[137,180,111,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734491,"usec":811751},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.870698,"noise_level":-27.258427,"freq_skew":1.781081,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":605,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,3,76,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734492,"usec":576209},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.703636,"noise_level":-27.358681,"freq_skew":0.803342,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":61,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[4,225,83,228]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734492,"usec":577589},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.230949,"noise_level":-27.257938,"freq_skew":0.437890,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734492,"usec":587850},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.198369,"noise_level":-26.923904,"freq_skew":-2.071534,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":201,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[104,123,87,139]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43310,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[198,186,74,213]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734493,"usec":341987},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296024,"noise_level":-26.695618,"freq_skew":1.782940,"avlc":{"src":{"addr":"4CAFC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GXG","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"FR15WR","msg_num":"M30","msg_num_seq":"A","msg_text":"202811,M106140,2131, 118,N 44.085 W  7.234"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734493,"usec":342929},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.488390,"noise_level":-26.639473,"freq_skew":0.614920,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734493,"usec":351451},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.804439,"noise_level":-26.473181,"freq_skew":-0.417083,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734494,"usec":96108},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.532611,"noise_level":-26.418449,"freq_skew":1.243618,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":363,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734494,"usec":98226},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692922,"noise_level":-26.292068,"freq_skew":0.147515,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734494,"usec":98892},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735397,"noise_level":-26.256296,"freq_skew":-2.069051,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734494,"usec":99383},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.956053,"noise_level":-26.323927,"freq_skew":-0.662331,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734494,"usec":101528},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.872821,"noise_level":-26.275669,"freq_skew":-0.331665,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-6.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734494,"usec":105613},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.919231,"noise_level":-26.692799,"freq_skew":0.250867,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734494,"usec":856814},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.223300,"noise_level":-26.636669,"freq_skew":0.580578,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734494,"usec":860460},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800953,"noise_level":-26.580532,"freq_skew":-3.455078,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,73,66,69,0,52,19,78,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,69,83,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":20,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":50,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[206,35]},{"name":"atn_checksum","value":[192,189,128,19]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734494,"usec":864608},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.674295,"noise_level":-26.397192,"freq_skew":0.689090,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[218,124]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734495,"usec":627206},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.702927,"noise_level":-26.253258,"freq_skew":-3.374669,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":21,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23139,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[193,86,183,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734495,"usec":627206},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":1,"sig_level":-4.702927,"noise_level":-26.253258,"freq_skew":-3.374669,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":22,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":23139,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[80,252,162,134]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,3412814,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"IBE0657","long_tsap":{"rdp":[65,73,66,69,0],"short_tsap":{"ars":[52,19,78],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,73,66,69,0],"short_tsap":{"ars":[52,19,78],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"LEMD","destination_airport":"LIRF"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734495,"usec":630677},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.769083,"noise_level":-26.094130,"freq_skew":0.097239,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734495,"usec":633652},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808211,"noise_level":-25.955090,"freq_skew":0.162985,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":662,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,131,169,215]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734496,"usec":379807},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168108,"noise_level":-25.717001,"freq_skew":1.168095,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-7.400000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734496,"usec":382913},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822366,"noise_level":-25.650158,"freq_skew":-3.499494,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":143216},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767022,"noise_level":-25.468948,"freq_skew":0.441115,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":144500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.611994,"noise_level":-25.403978,"freq_skew":-3.417232,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":146493},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.284136,"noise_level":-25.307428,"freq_skew":-0.296155,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWC","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR12CD","msg_num":"M43","msg_num_seq":"A","msg_text":"202815,,2209, 141,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":147227},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346208,"noise_level":-25.291441,"freq_skew":1.059636,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EC18MK","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":147227},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.346208,"noise_level":-25.291441,"freq_skew":1.059636,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21001360","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,2,240,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":151164},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.681519,"noise_level":-25.275480,"freq_skew":1.714845,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":39.799999,"lon":-4.400000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":153380},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.554382,"noise_level":-25.913591,"freq_skew":0.724203,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21001360","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":156166},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.364228,"noise_level":-25.896450,"freq_skew":0.697375,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19599,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[117,6,121,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":913414},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479669,"noise_level":-25.896450,"freq_skew":1.602460,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U268FY","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":914109},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274606,"noise_level":-26.874607,"freq_skew":2.100474,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-8.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":914515},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.426109,"noise_level":-26.855459,"freq_skew":0.608216,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":914815},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826379,"noise_level":-26.836357,"freq_skew":-3.022359,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":57,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[118,82,182,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":919564},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.761097,"noise_level":-26.610332,"freq_skew":-0.393361,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":920073},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665164,"noise_level":-27.210518,"freq_skew":2.081510,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"U292QR","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":920073},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.665164,"noise_level":-27.210518,"freq_skew":2.081510,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20053061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,86,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":921635},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.926937,"noise_level":-27.150953,"freq_skew":1.387792,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734497,"usec":922108},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680413,"noise_level":-27.292763,"freq_skew":0.672394,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734498,"usec":667252},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796469,"noise_level":-27.074299,"freq_skew":-0.386645,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734498,"usec":673963},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.316312,"noise_level":-26.823006,"freq_skew":1.584713,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734498,"usec":674410},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983380,"noise_level":-26.823006,"freq_skew":-2.039330,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":522,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43343,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[29,233,79,90]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734498,"usec":675485},"freq":136975000,"burst_len_octets":120,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.229438,"noise_level":-26.784981,"freq_skew":-0.281400,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"8D","blk_id":"9","ack":"!","flight":"DS34XD","msg_num":"M18","msg_num_seq":"A","msg_text":"0005,04,0015,99,0032,89,0052,2134,LPPT,LSGG\r\n15MIN ON ONE JETTY ONLY\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734499,"usec":433894},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.336682,"noise_level":-26.747915,"freq_skew":1.919607,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734499,"usec":436020},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885514,"noise_level":-26.616686,"freq_skew":1.749365,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"U268FY","msg_num":"S59","msg_num_seq":"A","msg_text":"0EV202816V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":28,"sec":16}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734499,"usec":439025},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722046,"noise_level":-26.469097,"freq_skew":2.194696,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":592,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734499,"usec":439449},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.597054,"noise_level":-27.329441,"freq_skew":0.551809,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734499,"usec":440643},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103272,"noise_level":-27.576168,"freq_skew":1.777551,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":853,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":191462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203479,"noise_level":-27.493446,"freq_skew":-2.146346,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":191622},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.540469,"noise_level":-27.493446,"freq_skew":0.531352,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53325,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":15,"rseq":7,"variable_part_params":[{"name":"checksum","value":[247,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":193153},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.317907,"noise_level":-28.092438,"freq_skew":0.634885,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"_d","blk_id":"Y","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":193601},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.626693,"noise_level":-28.070412,"freq_skew":0.653647,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":197056},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.323256,"noise_level":-28.026531,"freq_skew":0.518077,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":199888},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.997717,"noise_level":-27.939430,"freq_skew":-3.330888,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"IB0657","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":199888},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.997717,"noise_level":-27.939430,"freq_skew":-3.330888,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15011516","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,19,78,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":200932},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.615548,"noise_level":-27.896204,"freq_skew":0.544450,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19599,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[117,6,121,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":201355},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219681,"noise_level":-27.874670,"freq_skew":1.297666,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":637,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":204172},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.921346,"noise_level":-27.831766,"freq_skew":0.436785,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":11331,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":958401},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.829754,"noise_level":-27.767801,"freq_skew":2.197494,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2492,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[224,62]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":958777},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.445756,"noise_level":-27.746586,"freq_skew":-0.379599,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":959777},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.501473,"noise_level":-27.683243,"freq_skew":0.772304,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4402F0","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":960393},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.835006,"noise_level":-28.320215,"freq_skew":1.408919,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[223,203,167,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":960789},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.013938,"noise_level":-28.297606,"freq_skew":-0.215368,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":961868},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348750,"noise_level":-28.230133,"freq_skew":-1.945275,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":523,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[133,187,15,94]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":964089},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.600333,"noise_level":-28.207758,"freq_skew":0.613218,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":51,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[247,212,203,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":964487},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285603,"noise_level":-28.207758,"freq_skew":0.097728,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[151,198,18,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":964750},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.521674,"noise_level":-28.207758,"freq_skew":-2.252924,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":202,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43310,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[11,36,99,21]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":18}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":965204},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.719367,"noise_level":-28.185440,"freq_skew":-3.588704,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":966983},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.871716,"noise_level":-28.096737,"freq_skew":1.301793,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734500,"usec":967286},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961079,"noise_level":-28.096737,"freq_skew":0.709898,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15011516","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":719702},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976047,"noise_level":-27.965359,"freq_skew":0.926881,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":720768},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.143095,"noise_level":-27.900410,"freq_skew":1.531259,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":725429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.101711,"noise_level":-27.874565,"freq_skew":0.527705,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":725814},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472377,"noise_level":-28.000927,"freq_skew":0.712135,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[66,247,16,154]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":726334},"freq":136975000,"burst_len_octets":26,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.490460,"noise_level":-27.979134,"freq_skew":0.604194,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":726334},"freq":136975000,"burst_len_octets":26,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.490460,"noise_level":-27.979134,"freq_skew":0.604194,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":726429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769090,"noise_level":-28.697762,"freq_skew":1.313829,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":727091},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.822729,"noise_level":-28.650604,"freq_skew":0.514137,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":true,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-HUI","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":728464},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.014613,"noise_level":-28.650604,"freq_skew":0.598606,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15011516","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":729776},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465405,"noise_level":-28.650604,"freq_skew":0.817567,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43388,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[79,88]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734501,"usec":730294},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809037,"noise_level":-28.888342,"freq_skew":-0.379407,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734502,"usec":477598},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540399,"noise_level":-28.768337,"freq_skew":-3.696589,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734502,"usec":478217},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.549808,"noise_level":-28.720797,"freq_skew":0.698587,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15011516","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734502,"usec":479407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.544873,"noise_level":-28.626490,"freq_skew":-2.111082,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734502,"usec":479889},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.100287,"noise_level":-28.579714,"freq_skew":-3.443154,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23140,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[87,40,178,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734502,"usec":484669},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727480,"noise_level":-28.372297,"freq_skew":0.677337,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,159,240,91]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECB,ATC UNIT BARCELONA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734503,"usec":248191},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.766834,"noise_level":-28.522141,"freq_skew":-0.388417,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-6.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734503,"usec":250978},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.371779,"noise_level":-28.338730,"freq_skew":-2.007600,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[102,226,153,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734503,"usec":252542},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.688911,"noise_level":-28.248459,"freq_skew":0.703508,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4594,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43388,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[6,247]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734503,"usec":999157},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355459,"noise_level":-28.114784,"freq_skew":-2.709574,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNJ","mode":"2","label":"_d","blk_id":"1","ack":"Q","flight":"TP37GT","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":1037},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.728608,"noise_level":-27.961386,"freq_skew":1.354481,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[223,203,167,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":2549},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.185197,"noise_level":-27.918051,"freq_skew":0.861266,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-1.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":6968},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285831,"noise_level":-27.810650,"freq_skew":-1.992153,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":524,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":9160},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.587208,"noise_level":-27.746841,"freq_skew":0.638300,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CD","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":9685},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730175,"noise_level":-27.746841,"freq_skew":-0.573095,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":406,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[124,241,120,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":764760},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913863,"noise_level":-28.619764,"freq_skew":-1.837891,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":765769},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.114980,"noise_level":-28.526539,"freq_skew":0.556808,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":767163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962667,"noise_level":-28.411398,"freq_skew":-3.565972,"avlc":{"src":{"addr":"34134E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":770110},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.297479,"noise_level":-28.320370,"freq_skew":0.627782,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":771669},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.829505,"noise_level":-28.230288,"freq_skew":1.095643,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[68,152]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":772368},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961366,"noise_level":-28.185595,"freq_skew":0.736967,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734504,"usec":773493},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.638670,"noise_level":-28.197401,"freq_skew":0.644899,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":11446,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734505,"usec":534118},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.830688,"noise_level":-27.783352,"freq_skew":1.292305,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":638,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[73,36]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734505,"usec":534893},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.704644,"noise_level":-27.762096,"freq_skew":-0.201191,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734505,"usec":536890},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.561385,"noise_level":-27.635649,"freq_skew":-2.327757,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734506,"usec":286278},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.792557,"noise_level":-28.177912,"freq_skew":0.728403,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,159,240,91]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECB,ATC UNIT BARCELONA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734506,"usec":286885},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703177,"noise_level":-28.133488,"freq_skew":0.257163,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-IJO","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR97JL","msg_num":"D24","msg_num_seq":"A","sublabel":"DF","msg_text":"B03A     \r\nAPM     EI-IJO          RYR97JL EGBBLPFR280725193609,737789     ,BCG3AL2000002,.776,,451.8,239.5,,,-22.54,,,38996,,, 66595,,,1028,1042,,, 87.74, 87.73,,, 2.3,477.6,,,0,0,,0,0,,0,0,0,0,0,0,,, 45.4"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734506,"usec":287475},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.044804,"noise_level":-28.111361,"freq_skew":1.117143,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENJ","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"FR02SM","msg_num":"M06","msg_num_seq":"A","msg_text":"202824,,2214, 162,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734506,"usec":289302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.147845,"noise_level":-27.979763,"freq_skew":0.511817,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734506,"usec":292504},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.858238,"noise_level":-27.828711,"freq_skew":-2.072296,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":203,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,27,82,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734507,"usec":51322},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.367785,"noise_level":-27.370386,"freq_skew":-0.494467,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":406,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[124,241,120,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734507,"usec":52917},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.186563,"noise_level":-27.249477,"freq_skew":-2.780098,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNJ","mode":"2","label":"_d","blk_id":"1","ack":"Q","flight":"TP37GT","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734507,"usec":53190},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927773,"noise_level":-27.249477,"freq_skew":0.138717,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-IJO","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR97JL","msg_num":"D24","msg_num_seq":"B","sublabel":"DF","msg_text":"602,,,  -5.0892,,,-154.08,,, -4.6,,,-158.5,,,  0.001, 0.005,,,,6.703,,11545, 5747, 5793,    0,,    0,,, 3378, 3452,,, 0.0,,,,, 69617,,,,,, 61308,,, 8309, 3832, 3810,  666,,    -,,,  60B709,  60B829,,,,,,-15"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734507,"usec":813105},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475852,"noise_level":-27.189646,"freq_skew":0.545467,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734507,"usec":815277},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.533727,"noise_level":-27.724583,"freq_skew":-0.349537,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":481,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734507,"usec":815782},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109353,"noise_level":-27.801933,"freq_skew":0.650379,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734507,"usec":817325},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.282995,"noise_level":-27.759384,"freq_skew":1.794387,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734507,"usec":820940},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.466983,"noise_level":-27.632977,"freq_skew":1.002617,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734507,"usec":822213},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945378,"noise_level":-27.970776,"freq_skew":1.327839,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[223,203,167,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734508,"usec":566306},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.588985,"noise_level":-27.970776,"freq_skew":0.660974,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":11446,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734508,"usec":568689},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.103772,"noise_level":-27.798536,"freq_skew":0.554122,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734508,"usec":569539},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.818943,"noise_level":-27.734816,"freq_skew":0.780678,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4594,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43388,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[6,247]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734508,"usec":571994},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.518935,"noise_level":-27.671558,"freq_skew":-2.175570,"avlc":{"src":{"addr":"3475D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61009,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[182,11,16,5]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734508,"usec":572939},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.259039,"noise_level":-27.608761,"freq_skew":0.631774,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734508,"usec":573542},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977119,"noise_level":-28.106934,"freq_skew":-0.055735,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"B9","blk_id":"0","ack":"!","flight":"DS34XD","msg_num":"M19","msg_num_seq":"A","msg_text":"/LSGG.TI2/040LSGGA3F55"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734508,"usec":575110},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735352,"noise_level":-28.062868,"freq_skew":0.586374,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[131,215,188,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734509,"usec":334498},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925247,"noise_level":-28.292332,"freq_skew":0.751879,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,159,240,91]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECB,ATC UNIT BARCELONA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734509,"usec":336040},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.840410,"noise_level":-28.180233,"freq_skew":0.686029,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734509,"usec":339600},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298549,"noise_level":-28.434580,"freq_skew":0.608152,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734509,"usec":343672},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494180,"noise_level":-28.366035,"freq_skew":1.164359,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-4.800000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734509,"usec":344964},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.948659,"noise_level":-28.275480,"freq_skew":0.528380,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".HB-JZX","mode":"2","label":"A9","blk_id":"D","ack":"0","msg_text":"/GVAATXA.TI2/LSGG ARR ATIS Z\r\n2020Z ILS APCH, RWY 04.\r\nRWY COND REPORT.\r\nRWY COND CODE 6, 6, 6.\r\nCOVERAGE NR, NR, NR.\r\nDEPTH NR, NR, NR.\r\nDRY AND DRY AND DRY. RWY REPORT END.\r\nTRL 80.\r\nWIND 030 DEG, 6 KT.\r\nVIS 10 KM OR M"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734510,"usec":99762},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.950647,"noise_level":-28.784737,"freq_skew":0.513072,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734510,"usec":870569},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938382,"noise_level":-27.686949,"freq_skew":0.837887,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[118,200,67,240]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734510,"usec":870750},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.978500,"noise_level":-27.686949,"freq_skew":0.558715,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":11446,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734511,"usec":621951},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.803426,"noise_level":-27.582352,"freq_skew":0.683683,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,159,240,91]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECB,ATC UNIT BARCELONA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734511,"usec":623330},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737249,"noise_level":-28.181854,"freq_skew":-0.254723,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-6.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734511,"usec":629202},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.320162,"noise_level":-28.419764,"freq_skew":0.279014,"avlc":{"src":{"addr":"4CAE64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734512,"usec":381356},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357640,"noise_level":-28.216084,"freq_skew":0.875020,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-1.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734512,"usec":382029},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.082189,"noise_level":-28.469337,"freq_skew":2.380893,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734512,"usec":382574},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.778662,"noise_level":-28.446339,"freq_skew":0.556701,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CD","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734512,"usec":387598},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.972033,"noise_level":-28.264503,"freq_skew":0.449365,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".HB-JZX","mode":"2","label":"A9","blk_id":"D","ack":"0","msg_text":"/GVAATXA.TI2/LSGG ARR ATIS Z\r\n2020Z ILS APCH, RWY 04.\r\nRWY COND REPORT.\r\nRWY COND CODE 6, 6, 6.\r\nCOVERAGE NR, NR, NR.\r\nDEPTH NR, NR, NR.\r\nDRY AND DRY AND DRY. RWY REPORT END.\r\nTRL 80.\r\nWIND 030 DEG, 6 KT.\r\nVIS 10 KM OR M"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734513,"usec":147780},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.443258,"noise_level":-28.064388,"freq_skew":-0.232172,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"_d","blk_id":"1","ack":"D","flight":"DS34XD","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734513,"usec":148895},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.970268,"noise_level":-28.962385,"freq_skew":0.959680,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734513,"usec":152622},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.876226,"noise_level":-28.651163,"freq_skew":1.316416,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[223,203,167,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734513,"usec":153330},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.081858,"noise_level":-28.604258,"freq_skew":0.537477,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734513,"usec":907420},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604166,"noise_level":-28.465042,"freq_skew":1.529186,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":721,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,43,87,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734513,"usec":908091},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.206051,"noise_level":-29.108009,"freq_skew":2.085401,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[92,247,6,139]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734513,"usec":908669},"freq":136975000,"burst_len_octets":114,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.913148,"noise_level":-29.083260,"freq_skew":0.621679,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"A9","blk_id":"E","ack":"!","msg_text":"/GVAATXA.TI2/LSGG ARR ATIS Z\r\n2020Z ILS APCH, RWY 04.\r\nRWY COND REPORT.\r\nRWY COND CODE 6, 6, 6.\r\nCOVERAGE NR, NR, NR.\r\nDEPTH NR, NR, NR.\r\nDRY AND DRY AND DRY. RWY REPORT END.\r\nTRL 80.\r\nWIND 030 DEG, 6 KT.\r\nVIS 10 KM OR MORE, TDZ 10 KM OR MORE.\r\nCLD BKN 6700 FT.\r\nT 16. DP 12.\r\nQNH 1021.\r\nNOSIG.0088\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734513,"usec":915523},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.492648,"noise_level":-29.129406,"freq_skew":-0.211495,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"_d","blk_id":"2","ack":"E","flight":"DS34XD","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734514,"usec":668725},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.221962,"noise_level":-29.056273,"freq_skew":0.709293,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734514,"usec":672494},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.799956,"noise_level":-28.741730,"freq_skew":0.482831,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,159,240,91]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECB,ATC UNIT BARCELONA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734514,"usec":673295},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.095209,"noise_level":-28.670731,"freq_skew":0.687036,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734515,"usec":437426},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.039627,"noise_level":-28.279016,"freq_skew":-2.177487,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":203,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,27,82,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734515,"usec":438225},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.166140,"noise_level":-28.256514,"freq_skew":-2.033460,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734516,"usec":191283},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.137125,"noise_level":-27.796970,"freq_skew":0.579017,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734516,"usec":199095},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167966,"noise_level":-27.524212,"freq_skew":1.938388,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[92,247,6,139]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734516,"usec":200256},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.410803,"noise_level":-27.503582,"freq_skew":2.438880,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":813,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[151,111,10,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734516,"usec":201441},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.842799,"noise_level":-27.684155,"freq_skew":-1.894431,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734516,"usec":955606},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.666529,"noise_level":-27.621265,"freq_skew":0.451832,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734516,"usec":963391},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691438,"noise_level":-27.293335,"freq_skew":3.194456,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2067,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[14,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734516,"usec":964894},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.282231,"noise_level":-27.273245,"freq_skew":1.498515,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.100002,"lon":-3.800000},"alt":35000}},{"name":"alternate_ground_stations","value":["129F1A","1192CA","119A8A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734517,"usec":718466},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.046178,"noise_level":-27.281591,"freq_skew":1.488876,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734517,"usec":722539},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616854,"noise_level":-27.620964,"freq_skew":1.211349,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-4.800000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734518,"usec":484053},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.813982,"noise_level":-27.517155,"freq_skew":0.521168,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734518,"usec":487249},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.128834,"noise_level":-27.333364,"freq_skew":1.249528,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":39.000000,"lon":-7.400000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734518,"usec":487570},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.157483,"noise_level":-27.333364,"freq_skew":0.886240,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"VY04LJ","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734518,"usec":487570},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.157483,"noise_level":-27.333364,"freq_skew":0.886240,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,68,9,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734518,"usec":490701},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683795,"noise_level":-27.902319,"freq_skew":1.227141,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"TP048M","msg_num":"M97","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734519,"usec":239002},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.740003,"noise_level":-27.668186,"freq_skew":0.470026,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,159,240,91]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECB,ATC UNIT BARCELONA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734519,"usec":239980},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.056952,"noise_level":-27.605412,"freq_skew":1.457718,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22251230","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,65,80,0,73,82,152,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734519,"usec":244427},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.865086,"noise_level":-28.144569,"freq_skew":0.876406,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734520,"usec":5553},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234571,"noise_level":-27.839411,"freq_skew":0.751805,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-1.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734520,"usec":763581},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757575,"noise_level":-27.462187,"freq_skew":0.929988,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["129F1A","1192CA","1191CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734520,"usec":771823},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.501805,"noise_level":-27.100662,"freq_skew":1.234103,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734521,"usec":524970},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.860263,"noise_level":-26.906136,"freq_skew":-0.185936,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-6.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734521,"usec":525129},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.150393,"noise_level":-26.906136,"freq_skew":1.144211,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23122352","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,164,234,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734521,"usec":526371},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408972,"noise_level":-26.860455,"freq_skew":-3.012631,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734521,"usec":529104},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.828463,"noise_level":-26.761189,"freq_skew":1.747149,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[103,9,252,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734521,"usec":529204},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.156797,"noise_level":-26.761189,"freq_skew":1.098317,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DPF","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR03NM","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734523,"usec":51029},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826467,"noise_level":-26.631535,"freq_skew":0.497628,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,159,240,91]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECB,ATC UNIT BARCELONA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734523,"usec":51261},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.078784,"noise_level":-27.127619,"freq_skew":0.730450,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734523,"usec":52058},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.911335,"noise_level":-27.088242,"freq_skew":0.295734,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7356,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[204,39]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734523,"usec":812088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.112090,"noise_level":-26.629133,"freq_skew":0.440254,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734523,"usec":813217},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.250532,"noise_level":-26.573412,"freq_skew":0.964276,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734523,"usec":813383},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.007841,"noise_level":-27.231556,"freq_skew":1.032255,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734523,"usec":820189},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079021,"noise_level":-27.014606,"freq_skew":0.967915,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1426,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[159,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734524,"usec":570623},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839707,"noise_level":-26.917755,"freq_skew":-0.264649,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"TP0555","msg_num":"S53","msg_num_seq":"A","msg_text":"0LH202843VS","media-adv":{"err":false,"version":0,"current_link":{"code":"H","descr":"HF","established":false,"time":{"hour":20,"min":28,"sec":43}},"links_avail":[{"code":"V","descr":"VHF ACARS"},{"code":"S","descr":"Default SATCOM"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734524,"usec":573084},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808075,"noise_level":-26.902132,"freq_skew":1.949108,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSN","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FRRYS7","msg_num":"M50","msg_num_seq":"A","msg_text":"202842,M118148,2306, 212,N 40.586 W  2.831"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734524,"usec":577175},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937933,"noise_level":-26.863764,"freq_skew":1.039239,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43267,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[223,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734524,"usec":579968},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939383,"noise_level":-26.806522,"freq_skew":3.209575,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2068,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[196,95]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734524,"usec":581979},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.552637,"noise_level":-26.711952,"freq_skew":0.440237,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19623,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[37,198,142,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734524,"usec":582062},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.970973,"noise_level":-26.693163,"freq_skew":0.466359,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19624,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":5,"variable_part_params":[{"name":"checksum","value":[35,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734525,"usec":336538},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.234532,"noise_level":-26.618402,"freq_skew":0.958077,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734525,"usec":336699},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.882531,"noise_level":-26.618402,"freq_skew":1.018726,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":880,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[48,195,137,13]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734525,"usec":337631},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.474307,"noise_level":-27.296465,"freq_skew":0.431298,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734525,"usec":337811},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735419,"noise_level":-27.657452,"freq_skew":1.714854,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":687,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[92,234,137,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734525,"usec":338269},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551435,"noise_level":-27.636501,"freq_skew":-2.963587,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734525,"usec":338889},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618203,"noise_level":-27.899796,"freq_skew":0.636123,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":66,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[48,94,79,244]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":126.675000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734525,"usec":345460},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.201890,"noise_level":-27.686749,"freq_skew":0.624353,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734525,"usec":346406},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.317236,"noise_level":-27.644758,"freq_skew":0.532994,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[78,129]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":102881},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.053644,"noise_level":-27.692387,"freq_skew":-0.371015,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":103607},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396728,"noise_level":-28.541637,"freq_skew":1.486973,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":606,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[47,182,221,71]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1515,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[69,226,58,127]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":106754},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.323061,"noise_level":-28.449240,"freq_skew":0.604191,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19625,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[80,45,205,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":858542},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890876,"noise_level":-28.222464,"freq_skew":0.682169,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[203,149,117,155]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[59,229,187,53]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":859986},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.975559,"noise_level":-28.409306,"freq_skew":0.148482,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":341,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[89,49,196,6]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":860165},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059259,"noise_level":-28.409306,"freq_skew":2.333155,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":41.500000,"lon":-8.500000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":860829},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.368550,"noise_level":-28.363682,"freq_skew":0.790978,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":81,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,118,92,229]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":861625},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.813171,"noise_level":-28.318298,"freq_skew":0.751415,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":861777},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.766924,"noise_level":-28.318298,"freq_skew":0.697501,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":866566},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.314158,"noise_level":-28.183552,"freq_skew":2.286438,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"U292QR","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":867440},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.196999,"noise_level":-28.139097,"freq_skew":0.707584,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19628,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":3,"variable_part_params":[{"name":"checksum","value":[43,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734526,"usec":867731},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512041,"noise_level":-28.139097,"freq_skew":1.966604,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20053061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,86,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734527,"usec":625287},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.623953,"noise_level":-28.028946,"freq_skew":0.467718,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20053061","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734527,"usec":630283},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.539393,"noise_level":-27.812748,"freq_skew":0.677338,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19624,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":5,"variable_part_params":[{"name":"checksum","value":[35,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734527,"usec":633451},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.576428,"noise_level":-27.748924,"freq_skew":0.656436,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734528,"usec":386556},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.918471,"noise_level":-27.539501,"freq_skew":0.394660,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[143,184]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734528,"usec":386937},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.438595,"noise_level":-27.518835,"freq_skew":2.260501,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734528,"usec":388406},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.081725,"noise_level":-27.457127,"freq_skew":-2.823498,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-1.700000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734528,"usec":396233},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471493,"noise_level":-27.294683,"freq_skew":-2.918410,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734528,"usec":398376},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890125,"noise_level":-27.274590,"freq_skew":2.069919,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSN","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FRRYS7","msg_num":"M50","msg_num_seq":"A","msg_text":"202842,M118148,2306, 212,N 40.586 W  2.831"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734528,"usec":399351},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523618,"noise_level":-27.912193,"freq_skew":0.078989,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":291,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":146423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.254228,"noise_level":-27.847635,"freq_skew":0.514250,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":146540},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719916,"noise_level":-27.847635,"freq_skew":1.002691,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1426,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43267,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[159,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":147391},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.016085,"noise_level":-27.783556,"freq_skew":-0.171782,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":696,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30757,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[29,104]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":152055},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.073728,"noise_level":-27.573309,"freq_skew":0.509692,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":152519},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997416,"noise_level":-27.573309,"freq_skew":0.857040,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43267,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[223,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":155154},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986669,"noise_level":-27.531862,"freq_skew":1.517851,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":606,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1515,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[47,182,221,71]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1515,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[69,226,58,127]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":156733},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.944077,"noise_level":-27.470062,"freq_skew":0.721489,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,159,240,91]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECB,ATC UNIT BARCELONA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":909037},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.179689,"noise_level":-27.320267,"freq_skew":1.266330,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFLL"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-6.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":909037},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.179689,"noise_level":-27.320267,"freq_skew":1.266330,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":276,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":909509},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478553,"noise_level":-27.461967,"freq_skew":-1.058099,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":38.500000,"lon":-5.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":910956},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.450625,"noise_level":-27.400661,"freq_skew":0.615828,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":12104,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":911147},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.978806,"noise_level":-27.400661,"freq_skew":0.680530,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53351,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[222,129,161,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734529,"usec":912748},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.387348,"noise_level":-27.319584,"freq_skew":0.674076,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":81,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,118,92,229]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":673812},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.394904,"noise_level":-27.159672,"freq_skew":0.507858,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":674119},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530962,"noise_level":-27.666910,"freq_skew":1.609594,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":607,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1515,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[210,190,84,63]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":674119},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.530962,"noise_level":-27.666910,"freq_skew":1.609594,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":608,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43369,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[159,216,79,146]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":48}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":674640},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.981895,"noise_level":-27.962589,"freq_skew":0.786796,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[203,149,117,155]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[59,229,187,53]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":674906},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294109,"noise_level":-28.683985,"freq_skew":0.718876,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[78,129]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":676073},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751029,"noise_level":-28.613455,"freq_skew":-1.023050,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LUS","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"I21550","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":676073},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.751029,"noise_level":-28.613455,"freq_skew":-1.023050,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042026","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,83,0,52,68,22,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":679088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.100315,"noise_level":-28.497164,"freq_skew":0.460385,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":679320},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976645,"noise_level":-28.474092,"freq_skew":0.651580,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":680179},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.750658,"noise_level":-28.451082,"freq_skew":0.542889,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19633,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[128,191,175,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734530,"usec":680179},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.750658,"noise_level":-28.451082,"freq_skew":0.542889,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[52,78,211,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734531,"usec":426919},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.390666,"noise_level":-28.291685,"freq_skew":0.576990,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1515,"dst_ref":66,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[119,129,220,88]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734531,"usec":427861},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.178009,"noise_level":-28.246674,"freq_skew":0.482246,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734531,"usec":428570},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541460,"noise_level":-28.201897,"freq_skew":-1.889529,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"B9","blk_id":"6","ack":"!","flight":"VY03RB","msg_num":"M09","msg_num_seq":"A","msg_text":"/LECO.TI2/040LECOC7640"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734531,"usec":429046},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.673526,"noise_level":-28.179592,"freq_skew":1.780583,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":609,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":66,"dst_ref":1515,"variable_part_params":[{"name":"atn_checksum","value":[227,61,114,220]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734531,"usec":435975},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.195357,"noise_level":-28.006371,"freq_skew":-1.059925,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734532,"usec":200312},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449653,"noise_level":-27.601120,"freq_skew":-3.047016,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734532,"usec":201661},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583357,"noise_level":-27.580307,"freq_skew":0.518922,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":12104,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734532,"usec":953363},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238263,"noise_level":-27.435987,"freq_skew":-0.974110,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734532,"usec":955027},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459487,"noise_level":-27.354584,"freq_skew":0.626907,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19639,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":57,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[125,39,130,6]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734532,"usec":958647},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.380309,"noise_level":-27.213936,"freq_skew":0.732952,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19641,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[241,132,172,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734532,"usec":959070},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.786496,"noise_level":-27.626869,"freq_skew":-0.554248,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[209,190,170,221]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43217,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[229,149,171,224]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734532,"usec":962172},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.318728,"noise_level":-28.263361,"freq_skew":1.443615,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734533,"usec":712827},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780995,"noise_level":-28.151634,"freq_skew":0.886746,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43267,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[223,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734533,"usec":714422},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304362,"noise_level":-28.063274,"freq_skew":0.571998,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[71,81,222,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734533,"usec":716694},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.327025,"noise_level":-27.932398,"freq_skew":0.698760,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734533,"usec":717282},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.971794,"noise_level":-27.910776,"freq_skew":-0.585323,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734533,"usec":718767},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.784440,"noise_level":-27.846230,"freq_skew":1.917081,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSN","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FRRYS7","msg_num":"M50","msg_num_seq":"A","msg_text":"202842,M118148,2306, 212,N 40.586 W  2.831"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734533,"usec":721622},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912101,"noise_level":-27.739708,"freq_skew":0.665326,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[203,149,117,155]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[59,229,187,53]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734533,"usec":724705},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.698457,"noise_level":-27.655422,"freq_skew":0.570306,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19637,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":67,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[37,38,80,249]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734534,"usec":477801},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.994252,"noise_level":-27.509861,"freq_skew":2.068452,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":770,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43322,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[148,210,214,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734534,"usec":478802},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.754311,"noise_level":-27.468716,"freq_skew":1.640946,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":610,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[61,18,6,104]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734534,"usec":481314},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.211070,"noise_level":-27.625378,"freq_skew":2.389901,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734534,"usec":482699},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389006,"noise_level":-27.542189,"freq_skew":-2.139457,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"B9","blk_id":"6","ack":"!","flight":"VY03RB","msg_num":"M09","msg_num_seq":"A","msg_text":"/LECO.TI2/040LECOC7640"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734535,"usec":241744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.214794,"noise_level":-27.297295,"freq_skew":0.642730,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734535,"usec":245486},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.044832,"noise_level":-27.157566,"freq_skew":0.103867,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":137,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734535,"usec":245835},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036659,"noise_level":-27.137787,"freq_skew":1.019916,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43267,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[161,45]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":54}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734535,"usec":246055},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.795648,"noise_level":-27.137787,"freq_skew":0.592504,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[78,129]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734535,"usec":248464},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437851,"noise_level":-27.039562,"freq_skew":-2.816768,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734535,"usec":249462},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744796,"noise_level":-27.020050,"freq_skew":1.120384,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":39.000000,"lon":-7.400000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":7992},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.598739,"noise_level":-26.961775,"freq_skew":0.971522,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30747,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[48,251]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":54}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":9935},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.335155,"noise_level":-26.865509,"freq_skew":0.607521,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19641,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[241,132,172,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":10233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944009,"noise_level":-26.846382,"freq_skew":-0.099332,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":12351},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.182893,"noise_level":-26.808258,"freq_skew":0.600032,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":13356},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642715,"noise_level":-26.751381,"freq_skew":1.254642,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"EC18MK","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":15390},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555988,"noise_level":-26.676121,"freq_skew":1.150762,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21001360","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,2,240,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":17061},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369076,"noise_level":-26.601505,"freq_skew":-0.505703,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":408,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[99,185,3,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":763608},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.732671,"noise_level":-26.788101,"freq_skew":-0.870639,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,253,220,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":764039},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.173613,"noise_level":-26.769144,"freq_skew":-2.808193,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-1.700000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":766916},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.760832,"noise_level":-26.712523,"freq_skew":0.669438,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[127,43,252,175]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":769155},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122447,"noise_level":-27.562571,"freq_skew":1.140675,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1430,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43267,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[223,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734536,"usec":770582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.083841,"noise_level":-27.500553,"freq_skew":0.592880,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734537,"usec":527675},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.988564,"noise_level":-27.759407,"freq_skew":1.107778,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734537,"usec":527860},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.382872,"noise_level":-27.738211,"freq_skew":1.018315,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43267,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[161,45]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":54}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734537,"usec":530638},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476379,"noise_level":-27.591267,"freq_skew":-3.003002,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250712","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,202,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734537,"usec":534486},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766686,"noise_level":-27.405920,"freq_skew":0.680248,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":2,"dst_ref":43267,"variable_part_params":[{"name":"checksum","value":[155,38]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734537,"usec":535857},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.002881,"noise_level":-27.345007,"freq_skew":1.483652,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFLL"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-6.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734538,"usec":295546},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.845685,"noise_level":-27.923607,"freq_skew":0.527257,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734538,"usec":298734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.940925,"noise_level":-27.749050,"freq_skew":1.306940,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734538,"usec":299441},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890353,"noise_level":-27.749050,"freq_skew":1.351641,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"EC97RH","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734538,"usec":300999},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.922526,"noise_level":-27.685690,"freq_skew":1.289860,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,7,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734538,"usec":302488},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.473910,"noise_level":-27.643703,"freq_skew":0.652231,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":12353,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734538,"usec":303331},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581447,"noise_level":-27.601925,"freq_skew":-2.787718,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734539,"usec":48594},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713378,"noise_level":-27.539772,"freq_skew":0.649543,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53368,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[245,24,176,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734539,"usec":55078},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.280585,"noise_level":-28.054989,"freq_skew":1.170012,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734539,"usec":55348},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626704,"noise_level":-28.033058,"freq_skew":-3.038351,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734539,"usec":819766},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763111,"noise_level":-27.605715,"freq_skew":-2.113763,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"_d","blk_id":"7","ack":"K","flight":"VY03RB","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734539,"usec":822958},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.063082,"noise_level":-27.481508,"freq_skew":1.789451,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734540,"usec":581677},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767066,"noise_level":-27.119198,"freq_skew":1.417090,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":820,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,32,250,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734540,"usec":585657},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.725842,"noise_level":-26.943558,"freq_skew":-0.809723,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,253,220,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734540,"usec":586871},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.601838,"noise_level":-26.905003,"freq_skew":0.488237,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":12353,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734541,"usec":334083},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.504946,"noise_level":-26.847492,"freq_skew":0.547698,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53368,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[245,24,176,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734541,"usec":334311},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.300575,"noise_level":-26.847492,"freq_skew":0.496485,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734541,"usec":334535},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469247,"noise_level":-27.726952,"freq_skew":-2.784280,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734541,"usec":335400},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.213949,"noise_level":-27.705833,"freq_skew":-2.190121,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43370,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[51,4,111,88]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734541,"usec":340368},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.735741,"noise_level":-27.476868,"freq_skew":-0.037111,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":740,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734541,"usec":340582},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043921,"noise_level":-27.476868,"freq_skew":0.733886,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[33,98,167,70]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734541,"usec":342719},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891501,"noise_level":-28.554920,"freq_skew":0.757343,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,159,240,91]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECB,ATC UNIT BARCELONA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":96678},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.870040,"noise_level":-28.439407,"freq_skew":1.000538,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":99628},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.100053,"noise_level":-28.280220,"freq_skew":1.004749,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":101278},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.176086,"noise_level":-28.586651,"freq_skew":-2.158926,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":103233},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625193,"noise_level":-28.516903,"freq_skew":1.020566,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":62,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[74,35,188,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":105399},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.865947,"noise_level":-28.470715,"freq_skew":1.643944,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":688,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30669,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[114,185,203,162]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30669,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[2,110,23,141]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":108292},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.282859,"noise_level":-28.415556,"freq_skew":0.609286,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":862894},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475054,"noise_level":-28.500839,"freq_skew":1.157977,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[174,70,159,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":865098},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.356768,"noise_level":-28.386036,"freq_skew":0.820884,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJQ","mode":"2","label":"_d","blk_id":"3","ack":"L","flight":"EC92GY","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":865416},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.623227,"noise_level":-29.271065,"freq_skew":1.102702,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30747,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[97,217]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":870686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743531,"noise_level":-28.973160,"freq_skew":0.885724,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":871340},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618217,"noise_level":-28.948792,"freq_skew":0.587469,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":871888},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.040239,"noise_level":-28.948792,"freq_skew":1.896667,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734542,"usec":872495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.859612,"noise_level":-29.238272,"freq_skew":-2.141523,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734543,"usec":617429},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.838468,"noise_level":-29.188095,"freq_skew":-2.352575,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43370,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[99,88,52,153]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734543,"usec":618483},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.390147,"noise_level":-29.113369,"freq_skew":0.599179,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19663,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[250,18,80,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734543,"usec":619111},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.956755,"noise_level":-29.063910,"freq_skew":0.973723,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJQ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EC92GY","msg_num":"F38","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPFR,28O,64,212701EF9D"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734543,"usec":620651},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.655905,"noise_level":-28.990240,"freq_skew":1.713690,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":689,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30669,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[27,71,196,2]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734543,"usec":622695},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.320539,"noise_level":-28.917191,"freq_skew":1.289136,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734543,"usec":623241},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986032,"noise_level":-29.266201,"freq_skew":1.720753,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":690,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43348,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[119,240,203,36]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":2}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734543,"usec":624174},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.747366,"noise_level":-29.190804,"freq_skew":1.370070,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":820,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,32,250,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734543,"usec":624390},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978390,"noise_level":-29.190804,"freq_skew":-1.284020,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":172,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[180,205,223,213]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734543,"usec":624759},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.356925,"noise_level":-29.165813,"freq_skew":0.607318,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30747,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[93,220]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734543,"usec":624977},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.837979,"noise_level":-29.140896,"freq_skew":0.685928,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34464,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30811,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[73,109,16,248]},{"name":"checksum","value":[105,242]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734544,"usec":382479},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564504,"noise_level":-29.091280,"freq_skew":-2.943484,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"B","sublabel":"DF","msg_text":",024,0/N10850,0942,43,158,009,000,026,0/S11300,4430,002,001,186,41,34951,2/T11287,4445,002,N00,200,41,34977,2/V1N182,N465,06752,00320,212,216,215,0/X12501,00000,079,000,019,020,007,1/1E0838,0936,43,161,010,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734544,"usec":383898},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.337975,"noise_level":-28.992884,"freq_skew":1.667264,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734544,"usec":384579},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925170,"noise_level":-28.968460,"freq_skew":-2.915615,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734544,"usec":387391},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.682288,"noise_level":-28.799377,"freq_skew":-0.217439,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-6.300000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734544,"usec":393023},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256667,"noise_level":-28.657024,"freq_skew":1.931602,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1,33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734545,"usec":144894},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620804,"noise_level":-28.424833,"freq_skew":-2.931406,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734545,"usec":146588},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.732439,"noise_level":-28.333664,"freq_skew":-0.084016,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734545,"usec":910718},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438307,"noise_level":-27.978271,"freq_skew":-2.162737,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"_d","blk_id":"8","ack":"L","flight":"VY03RB","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734545,"usec":911025},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491307,"noise_level":-27.956535,"freq_skew":0.968873,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":62,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[74,35,188,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734545,"usec":912519},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.216956,"noise_level":-27.870129,"freq_skew":-0.703823,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,253,220,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734545,"usec":912953},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910621,"noise_level":-27.848661,"freq_skew":1.059206,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734545,"usec":915437},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.312036,"noise_level":-27.742109,"freq_skew":0.415816,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19663,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[250,18,80,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734545,"usec":919081},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.615250,"noise_level":-27.869091,"freq_skew":-0.482861,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":482,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734546,"usec":667602},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.810132,"noise_level":-27.656786,"freq_skew":0.967028,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJQ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EC92GY","msg_num":"F38","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPFR,28O,64,212701EF9D"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734546,"usec":671746},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298339,"noise_level":-28.319252,"freq_skew":0.710182,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734546,"usec":672490},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.702096,"noise_level":-28.296644,"freq_skew":2.088117,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3735,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[45,6]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734546,"usec":673472},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568133,"noise_level":-28.251610,"freq_skew":-2.062860,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"_d","blk_id":"9","ack":"M","flight":"VY03RB","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734546,"usec":673740},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420585,"noise_level":-28.251610,"freq_skew":1.739200,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":690,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43348,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[119,240,203,36]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":2}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734547,"usec":431116},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.851318,"noise_level":-28.821663,"freq_skew":0.608275,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34464,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30811,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[73,109,16,248]},{"name":"checksum","value":[105,242]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734547,"usec":431724},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.866712,"noise_level":-28.797714,"freq_skew":-3.512382,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-1.000000},"alt":26000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734547,"usec":433454},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738437,"noise_level":-28.702568,"freq_skew":0.575456,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734547,"usec":433972},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.805341,"noise_level":-29.350920,"freq_skew":1.320482,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[174,70,159,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734547,"usec":438096},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476511,"noise_level":-29.124496,"freq_skew":-1.993138,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":42,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1555,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[70,241,55,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734548,"usec":196409},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.681878,"noise_level":-28.928066,"freq_skew":0.658516,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734548,"usec":197215},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.314030,"noise_level":-28.879644,"freq_skew":0.651100,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734548,"usec":200061},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167103,"noise_level":-28.712269,"freq_skew":0.798228,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EBBR"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.600000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734548,"usec":200061},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.167103,"noise_level":-28.712269,"freq_skew":0.798228,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"TP0646","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734548,"usec":200061},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.167103,"noise_level":-28.712269,"freq_skew":0.798228,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251307","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,199,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734548,"usec":202186},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.115682,"noise_level":-28.594656,"freq_skew":0.883404,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-1.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734548,"usec":202690},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.866940,"noise_level":-28.571321,"freq_skew":1.916439,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,33,65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734548,"usec":202690},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.866940,"noise_level":-28.571321,"freq_skew":1.916439,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734548,"usec":202690},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-3.866940,"noise_level":-28.571321,"freq_skew":1.916439,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":691,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":65,"dst_ref":30669,"variable_part_params":[{"name":"atn_checksum","value":[135,208,102,68]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734548,"usec":955343},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.660696,"noise_level":-28.161707,"freq_skew":1.851271,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":692,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[207,138,132,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734549,"usec":720014},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640670,"noise_level":-27.685955,"freq_skew":-2.869470,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734549,"usec":720643},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809393,"noise_level":-27.664936,"freq_skew":-2.790435,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"B","sublabel":"DF","msg_text":",024,0/N10850,0942,43,158,009,000,026,0/S11300,4430,002,001,186,41,34951,2/T11287,4445,002,N00,200,41,34977,2/V1N182,N465,06752,00320,212,216,215,0/X12501,00000,079,000,019,020,007,1/1E0838,0936,43,161,010,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734549,"usec":724128},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.473430,"noise_level":-27.519217,"freq_skew":0.497232,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19676,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[187,47,132,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734549,"usec":724366},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.931314,"noise_level":-27.519217,"freq_skew":0.500344,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":12668,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734550,"usec":483457},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.772948,"noise_level":-28.008587,"freq_skew":0.605536,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34464,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30811,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[73,109,16,248]},{"name":"checksum","value":[105,242]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734550,"usec":483830},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274377,"noise_level":-27.986774,"freq_skew":0.878876,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJQ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EC92GY","msg_num":"F38","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPFR,28O,64,212701EF9D"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734550,"usec":487824},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568466,"noise_level":-27.994511,"freq_skew":-3.030897,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"A","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734550,"usec":490841},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.722891,"noise_level":-27.864658,"freq_skew":0.888824,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[220,208,62,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734551,"usec":237636},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.053452,"noise_level":-28.250332,"freq_skew":-0.613136,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,253,220,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734551,"usec":238658},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.946009,"noise_level":-28.183222,"freq_skew":0.633987,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":296,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734551,"usec":239508},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.040291,"noise_level":-28.138769,"freq_skew":-0.138861,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734551,"usec":239888},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099922,"noise_level":-28.138769,"freq_skew":0.878893,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734551,"usec":244305},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.880568,"noise_level":-27.941498,"freq_skew":0.813714,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734551,"usec":244959},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.774862,"noise_level":-28.613819,"freq_skew":0.463671,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19679,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":67,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[57,252,21,168]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECM,/ATC UNIT MADRID,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734551,"usec":247921},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.237812,"noise_level":-28.543856,"freq_skew":-2.919354,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[143,2,26,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":3972},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.694241,"noise_level":-28.337280,"freq_skew":0.760034,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"TP0646","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":4463},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.118914,"noise_level":-28.314629,"freq_skew":1.015704,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251307","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,199,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":4937},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.412423,"noise_level":-28.292034,"freq_skew":1.200994,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[174,70,159,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":6680},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.829968,"noise_level":-28.486141,"freq_skew":0.527240,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22251307","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":8114},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.342796,"noise_level":-28.630293,"freq_skew":1.567282,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":765748},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.329928,"noise_level":-28.330545,"freq_skew":0.738822,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":766374},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.227118,"noise_level":-28.285332,"freq_skew":1.574440,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":854,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[247,73,14,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":768687},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.756814,"noise_level":-28.173323,"freq_skew":0.496378,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34464,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30811,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[73,109,16,248]},{"name":"checksum","value":[105,242]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":769609},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.253112,"noise_level":-28.438185,"freq_skew":1.709275,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":692,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[207,138,132,126]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":770447},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.801949,"noise_level":-28.392410,"freq_skew":1.548165,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":611,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[146,222,56,19]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":771533},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.272961,"noise_level":-28.346878,"freq_skew":0.621988,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19676,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[187,47,132,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":773059},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.868183,"noise_level":-28.256521,"freq_skew":-0.716472,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":409,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":58,"dst_ref":30811,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[180,50,201,213]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":775381},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.464639,"noise_level":-28.641941,"freq_skew":1.694134,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"IB07HP","msg_num":"D77","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127082,1,1,TB000000/REP033,00,00,1/POSDMU,202903, 43.558,-  3.990,  4227,350\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734552,"usec":776112},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.009026,"noise_level":-28.595085,"freq_skew":0.180840,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":194,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[21,63,38,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734553,"usec":530047},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.434897,"noise_level":-28.888580,"freq_skew":0.698316,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734553,"usec":532689},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.515531,"noise_level":-28.721031,"freq_skew":0.571218,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34485,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[191,173,41,173]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734553,"usec":537472},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.144362,"noise_level":-28.533422,"freq_skew":0.677378,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734553,"usec":538205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.193143,"noise_level":-28.510254,"freq_skew":0.705722,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734553,"usec":539554},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285891,"noise_level":-28.441116,"freq_skew":1.853980,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734554,"usec":285914},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.882062,"noise_level":-28.259392,"freq_skew":0.786320,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[220,208,62,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734554,"usec":288329},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.137538,"noise_level":-28.543131,"freq_skew":0.624683,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[166,215,242,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734554,"usec":289966},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.861748,"noise_level":-28.450722,"freq_skew":-0.528972,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734554,"usec":291320},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254002,"noise_level":-28.404882,"freq_skew":0.650355,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":296,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734554,"usec":293303},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692179,"noise_level":-28.291332,"freq_skew":1.937041,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EPKT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-2.700000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734554,"usec":293596},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753573,"noise_level":-28.291332,"freq_skew":-2.978978,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734554,"usec":293596},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.753573,"noise_level":-28.291332,"freq_skew":-2.978978,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-1.800000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734554,"usec":296282},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.841340,"noise_level":-28.246325,"freq_skew":-0.526823,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":50720},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577289,"noise_level":-28.223906,"freq_skew":0.666555,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22251307","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":54312},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547650,"noise_level":-28.576603,"freq_skew":1.865537,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FRRYS7","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":56836},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.693409,"noise_level":-28.530098,"freq_skew":1.719110,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":57422},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.916658,"noise_level":-28.530098,"freq_skew":0.455398,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":58108},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.064633,"noise_level":-28.506937,"freq_skew":0.858329,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"TP0646","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":59842},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.077875,"noise_level":-28.437824,"freq_skew":0.893832,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251307","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,199,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":60852},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.837720,"noise_level":-28.446896,"freq_skew":1.934105,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22141055","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,45,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":817806},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.188598,"noise_level":-28.131123,"freq_skew":0.645870,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":820297},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.601586,"noise_level":-27.999228,"freq_skew":1.747208,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"EPKT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-2.700000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":822157},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.291132,"noise_level":-27.912397,"freq_skew":0.547626,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53381,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,75,169,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734555,"usec":823036},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.797389,"noise_level":-27.890825,"freq_skew":0.175463,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPW","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"TP1325","msg_num":"M53","msg_num_seq":"A","msg_text":"202914,36995,2112,452.1, 3880,N4102.14 W00834.89"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734556,"usec":577022},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.644943,"noise_level":-27.615150,"freq_skew":1.812551,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[222,86,205,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734557,"usec":335438},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.279520,"noise_level":-27.187523,"freq_skew":0.600006,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734557,"usec":336475},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.805763,"noise_level":-27.128117,"freq_skew":0.649509,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[220,208,62,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734557,"usec":341540},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.240356,"noise_level":-26.894474,"freq_skew":1.613949,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,128,161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":99211},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.146256,"noise_level":-26.779966,"freq_skew":0.684502,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":296,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":101097},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.968825,"noise_level":-26.685684,"freq_skew":0.479484,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"34134E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":60330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,159,240,91]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":28,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECB,ATC UNIT BARCELONA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":101374},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.880182,"noise_level":-26.685684,"freq_skew":0.682356,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22251307","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":103448},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781100,"noise_level":-27.169638,"freq_skew":0.562299,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":103448},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.781100,"noise_level":-27.169638,"freq_skew":0.562299,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":105995},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.198579,"noise_level":-27.110352,"freq_skew":-0.676090,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":106752},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.999094,"noise_level":-27.090681,"freq_skew":0.013188,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":107849},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.750683,"noise_level":-27.051470,"freq_skew":0.461637,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[74,18,233,172]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":136.525000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":108551},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.723144,"noise_level":-27.076397,"freq_skew":1.691659,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":616,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":854161},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279274,"noise_level":-26.940151,"freq_skew":-0.723231,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":857566},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.083173,"noise_level":-26.787012,"freq_skew":0.985979,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":858363},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.816837,"noise_level":-26.749146,"freq_skew":0.783937,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[251,110,68,185]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":860480},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.167144,"noise_level":-26.655195,"freq_skew":0.530748,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734558,"usec":861334},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.919487,"noise_level":-26.617897,"freq_skew":-0.755660,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"AF1358","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734559,"usec":623113},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.455656,"noise_level":-26.415577,"freq_skew":1.820115,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSN","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FRRYS7","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734559,"usec":626885},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686820,"noise_level":-26.235649,"freq_skew":-0.568921,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734559,"usec":631446},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.756072,"noise_level":-26.111885,"freq_skew":0.622713,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734560,"usec":385794},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.852856,"noise_level":-26.076843,"freq_skew":2.011155,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22141055","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,45,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734560,"usec":392087},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469531,"noise_level":-25.886608,"freq_skew":0.596832,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":43.700001,"lon":-6.000000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734560,"usec":392087},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.469531,"noise_level":-25.886608,"freq_skew":0.596832,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"TP1369","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734560,"usec":392087},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.469531,"noise_level":-25.886608,"freq_skew":0.596832,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251317","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,207,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734560,"usec":398539},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.243415,"noise_level":-25.717209,"freq_skew":0.615323,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":296,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734561,"usec":146730},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167908,"noise_level":-25.452860,"freq_skew":1.201728,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":558,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[237,185,125,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734561,"usec":147274},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.666399,"noise_level":-25.681229,"freq_skew":-0.885813,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734561,"usec":148864},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.490241,"noise_level":-25.968922,"freq_skew":1.022881,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[90,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734561,"usec":908036},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.014434,"noise_level":-25.814875,"freq_skew":1.710376,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734561,"usec":912428},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.283660,"noise_level":-26.278107,"freq_skew":0.539728,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734561,"usec":912767},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467645,"noise_level":-26.643782,"freq_skew":0.683353,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[251,110,68,185]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734562,"usec":673834},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.888322,"noise_level":-26.404472,"freq_skew":0.363682,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734562,"usec":674246},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738248,"noise_level":-26.456799,"freq_skew":0.536085,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[74,18,233,172]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":136.525000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734562,"usec":685246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.176896,"noise_level":-26.876740,"freq_skew":1.890195,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734562,"usec":686358},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219342,"noise_level":-26.838482,"freq_skew":1.634493,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.600002,"lon":-3.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734562,"usec":686358},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.219342,"noise_level":-26.838482,"freq_skew":1.634493,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVW","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC7050","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734562,"usec":686358},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.219342,"noise_level":-26.838482,"freq_skew":1.634493,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000772","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,1,250,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":434330},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.007407,"noise_level":-26.800388,"freq_skew":0.685696,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":63,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1534,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[224,78,38,9]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1534,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[5,43,161,222]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":434959},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487056,"noise_level":-27.581024,"freq_skew":-2.768082,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-1.800000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":435957},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155464,"noise_level":-27.539541,"freq_skew":0.610175,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"TP1369","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":436742},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.282814,"noise_level":-27.498255,"freq_skew":-0.059644,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":437188},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793626,"noise_level":-27.477686,"freq_skew":-1.862854,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":744,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[158,20,222,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":438723},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427711,"noise_level":-27.416269,"freq_skew":1.406230,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":764,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1524,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[219,25,194,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":439942},"freq":136975000,"burst_len_octets":327,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.586207,"noise_level":-27.375565,"freq_skew":-2.904745,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"B","sublabel":"DF","msg_text":",024,0/N10850,0942,43,158,009,000,026,0/S11300,4430,002,001,186,41,34951,2/T11287,4445,002,N00,200,41,34977,2/V1N182,N465,06752,00320,212,216,215,0/X12501,00000,079,000,019,020,007,1/1E0838,0936,43,161,010,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":439942},"freq":136975000,"burst_len_octets":327,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.586207,"noise_level":-27.375565,"freq_skew":-2.904745,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250712","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,202,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":441775},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438506,"noise_level":-27.355282,"freq_skew":0.322583,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251317","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,207,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":442938},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.847812,"noise_level":-27.314863,"freq_skew":1.924288,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[162,167,30,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734563,"usec":444629},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.712920,"noise_level":-27.234581,"freq_skew":0.484059,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22251317","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":193805},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912439,"noise_level":-27.234581,"freq_skew":0.495286,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"_d","blk_id":"X","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":194020},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.310994,"noise_level":-27.234581,"freq_skew":-3.419694,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-1.000000},"alt":26000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":194287},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.165912,"noise_level":-27.214624,"freq_skew":0.496283,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":196990},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898690,"noise_level":-27.076208,"freq_skew":0.696280,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":197388},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805770,"noise_level":-27.076208,"freq_skew":-2.913177,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":205310},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.631749,"noise_level":-26.843939,"freq_skew":0.685091,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15020312","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":954829},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461424,"noise_level":-26.786827,"freq_skew":0.572854,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":955758},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827043,"noise_level":-26.748962,"freq_skew":-3.563632,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":956873},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958681,"noise_level":-26.692471,"freq_skew":0.393100,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":957350},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349126,"noise_level":-26.673725,"freq_skew":-2.692323,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":964857},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.370231,"noise_level":-26.702000,"freq_skew":-2.923222,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":59,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":4,"ack":3,"credit_offered":0,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734564,"usec":967292},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.791674,"noise_level":-26.589985,"freq_skew":0.560154,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[74,18,233,172]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":136.525000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734565,"usec":731369},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.126262,"noise_level":-26.155842,"freq_skew":1.504744,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2873,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23059,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[54,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734565,"usec":732010},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720318,"noise_level":-26.155842,"freq_skew":-2.782172,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"C","sublabel":"DF","msg_text":"000,024,0/1N0838,0935,43,158,010,000,026,0/2E0836,0935,43,160,010,000,024,0/2N0835,0933,43,157,009,000,026,0/2S1242,4340,001,001,186,41,35002,2/2T1230,4360,001,N00,201,41,35029,2/2VN182,N470,06768,00320,212"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734566,"usec":477516},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.021102,"noise_level":-26.085548,"freq_skew":0.702001,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734566,"usec":478249},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.917134,"noise_level":-26.050613,"freq_skew":0.818921,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":63,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1534,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[224,78,38,9]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1534,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[5,43,161,222]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734566,"usec":484295},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299482,"noise_level":-25.809927,"freq_skew":0.601244,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":51,"credit":15,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[242,35,38,230]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734567,"usec":244696},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.598929,"noise_level":-25.526360,"freq_skew":0.899578,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":64,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1534,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[132,200,209,216]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734567,"usec":247619},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.157059,"noise_level":-25.444689,"freq_skew":-2.949037,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734567,"usec":249150},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.655641,"noise_level":-25.396051,"freq_skew":0.776914,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":65,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43377,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[155,81,108,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":26}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":1728},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.112714,"noise_level":-26.381866,"freq_skew":1.389491,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":2409},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581113,"noise_level":-26.345722,"freq_skew":1.096565,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"8E","blk_id":"1","ack":"!","flight":"EC45FP","msg_num":"M44","msg_num_seq":"A","msg_text":"LPPR,2058"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":2582},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.896341,"noise_level":-26.345722,"freq_skew":0.693054,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53394,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":51,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[72,239,88,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":4562},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.201163,"noise_level":-26.256012,"freq_skew":0.564139,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1534,"dst_ref":51,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[253,179,16,206]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":5410},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.470822,"noise_level":-26.808336,"freq_skew":0.479508,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19696,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[148,97,52,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":11442},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.339915,"noise_level":-26.583031,"freq_skew":0.861227,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":66,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":1534,"variable_part_params":[{"name":"atn_checksum","value":[232,231,150,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":762100},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.198263,"noise_level":-27.225185,"freq_skew":0.665121,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":762496},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.362524,"noise_level":-27.205254,"freq_skew":0.659822,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19697,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[190,197,76,226]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":763361},"freq":136975000,"burst_len_octets":224,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.000278,"noise_level":-27.165524,"freq_skew":0.642947,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"10","blk_id":"B","ack":"!","msg_text":"4PAD11/\r\nEn caso de no haber enviado la informacion de\r\ncarga de combustible total realizada,\r\nunidades y densidad, por favor envielo ASAP\r\na traves de la pantalla de Experiencia Reciente"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":763832},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.844065,"noise_level":-27.145725,"freq_skew":0.634106,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6545,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":766064},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.741136,"noise_level":-27.047409,"freq_skew":0.457968,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15020312","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":766773},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.052946,"noise_level":-27.652187,"freq_skew":0.664240,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1539,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[154,35,174,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":768297},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672795,"noise_level":-27.589527,"freq_skew":2.250125,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3391,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43332,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[89,131]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":769564},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.317800,"noise_level":-27.527317,"freq_skew":0.128718,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":770299},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.333030,"noise_level":-27.506678,"freq_skew":0.432963,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"Z","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734568,"usec":770762},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.124918,"noise_level":-28.228001,"freq_skew":0.416358,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734569,"usec":523242},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671455,"noise_level":-28.161064,"freq_skew":-2.777016,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"C","sublabel":"DF","msg_text":"000,024,0/1N0838,0935,43,158,010,000,026,0/2E0836,0935,43,160,010,000,024,0/2N0835,0933,43,157,009,000,026,0/2S1242,4340,001,001,186,41,35002,2/2T1230,4360,001,N00,201,41,35029,2/2VN182,N470,06768,00320,212"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734569,"usec":523944},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.254399,"noise_level":-28.116724,"freq_skew":0.548453,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734569,"usec":526026},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.179289,"noise_level":-28.006855,"freq_skew":1.625795,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVW","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC7050","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734569,"usec":526026},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.179289,"noise_level":-28.006855,"freq_skew":1.625795,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000772","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,1,250,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734569,"usec":528493},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.254925,"noise_level":-27.919949,"freq_skew":-3.313299,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734569,"usec":529732},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.636478,"noise_level":-27.833902,"freq_skew":0.984045,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[23,78]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734570,"usec":289261},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.081419,"noise_level":-27.664328,"freq_skew":1.211426,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734570,"usec":296105},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.057322,"noise_level":-27.909391,"freq_skew":0.322508,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,238,18,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734571,"usec":58652},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.308451,"noise_level":-27.508537,"freq_skew":0.485344,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734571,"usec":58874},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.943436,"noise_level":-27.487946,"freq_skew":0.482984,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19696,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[148,97,52,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734571,"usec":58874},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.943436,"noise_level":-27.487946,"freq_skew":0.482984,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19697,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[190,197,76,226]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734571,"usec":61413},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.590641,"noise_level":-27.406055,"freq_skew":0.856431,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734571,"usec":61413},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.590641,"noise_level":-27.406055,"freq_skew":0.856431,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":66,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":1534,"variable_part_params":[{"name":"atn_checksum","value":[232,231,150,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734571,"usec":61964},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487328,"noise_level":-27.584465,"freq_skew":0.848608,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-1.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734571,"usec":62686},"freq":136975000,"burst_len_octets":224,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.924484,"noise_level":-27.542965,"freq_skew":0.478513,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"10","blk_id":"B","ack":"!","msg_text":"4PAD11/\r\nEn caso de no haber enviado la informacion de\r\ncarga de combustible total realizada,\r\nunidades y densidad, por favor envielo ASAP\r\na traves de la pantalla de Experiencia Reciente"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734571,"usec":815993},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.236604,"noise_level":-27.198008,"freq_skew":0.442784,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734571,"usec":816169},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.110613,"noise_level":-27.198008,"freq_skew":1.581342,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734572,"usec":576672},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534831,"noise_level":-27.427383,"freq_skew":-2.692716,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"C","sublabel":"DF","msg_text":"000,024,0/1N0838,0935,43,158,010,000,026,0/2E0836,0935,43,160,010,000,024,0/2N0835,0933,43,157,009,000,026,0/2S1242,4340,001,001,186,41,35002,2/2T1230,4360,001,N00,201,41,35029,2/2VN182,N470,06768,00320,212"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734572,"usec":576962},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742851,"noise_level":-27.427383,"freq_skew":-1.671024,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":670,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1473,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[159,88,228,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734572,"usec":577190},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.857567,"noise_level":-27.427383,"freq_skew":0.427013,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":13285,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734572,"usec":577787},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.259346,"noise_level":-27.386625,"freq_skew":1.607728,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVW","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC7050","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734572,"usec":577787},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.259346,"noise_level":-27.386625,"freq_skew":1.607728,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000772","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,1,250,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734572,"usec":578670},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.847453,"noise_level":-27.346058,"freq_skew":0.538048,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19702,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[202,46]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.055000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734572,"usec":580448},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831474,"noise_level":-27.265490,"freq_skew":1.850014,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":693,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[37,87,182,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734572,"usec":583160},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.877849,"noise_level":-27.146019,"freq_skew":1.636633,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.600002,"lon":-3.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734573,"usec":337281},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924702,"noise_level":-27.672363,"freq_skew":-1.018540,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":173,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734573,"usec":341529},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.012587,"noise_level":-27.464756,"freq_skew":0.111242,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7358,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[200,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":96596},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.337934,"noise_level":-27.162365,"freq_skew":0.313014,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43309,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[184,249]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":97875},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414914,"noise_level":-27.103130,"freq_skew":-3.061598,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":60,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":3,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,84,65,80,0,73,81,202],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":98072},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.950029,"noise_level":-27.103130,"freq_skew":0.607498,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":102436},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.306222,"noise_level":-26.947117,"freq_skew":0.655710,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19707,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":4,"variable_part_params":[{"name":"checksum","value":[39,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":103089},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.675689,"noise_level":-27.730495,"freq_skew":0.695693,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19697,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[190,197,76,226]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":107424},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437440,"noise_level":-28.154631,"freq_skew":-2.777626,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,202,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":107914},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660565,"noise_level":-28.110323,"freq_skew":2.015785,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43332,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[28,21]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":864130},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523292,"noise_level":-28.044283,"freq_skew":-0.102573,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":697,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[209,85]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":867238},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569190,"noise_level":-27.870594,"freq_skew":0.138640,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":869135},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.442106,"noise_level":-27.785032,"freq_skew":2.422405,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":814,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[71,40,135,188]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43263,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[50,1,48,56]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":872985},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.295170,"noise_level":-28.775692,"freq_skew":-0.127819,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":698,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[80,247]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":873728},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.747897,"noise_level":-28.751869,"freq_skew":0.482685,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734574,"usec":874092},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.393079,"noise_level":-29.445745,"freq_skew":0.660875,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734575,"usec":624545},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.632729,"noise_level":-29.216864,"freq_skew":0.549864,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":13285,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734575,"usec":625510},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570472,"noise_level":-29.166813,"freq_skew":-0.285742,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":699,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734575,"usec":626191},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.721747,"noise_level":-29.117046,"freq_skew":1.583582,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":693,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[37,87,182,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734576,"usec":383820},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.603602,"noise_level":-28.681530,"freq_skew":2.352174,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734576,"usec":384137},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.566204,"noise_level":-28.681530,"freq_skew":0.733499,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34510,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8278,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[212,225,12,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734576,"usec":384755},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306054,"noise_level":-28.694523,"freq_skew":1.661988,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVW","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC7050","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734576,"usec":384755},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.306054,"noise_level":-28.694523,"freq_skew":1.661988,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000772","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,1,250,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734576,"usec":390763},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.992739,"noise_level":-28.415447,"freq_skew":1.833136,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734576,"usec":390763},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.992739,"noise_level":-28.415447,"freq_skew":1.833136,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.600002,"lon":-3.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734576,"usec":391599},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790042,"noise_level":-28.369791,"freq_skew":-1.883756,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":745,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30805,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[71,53,229,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734576,"usec":392682},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469173,"noise_level":-28.347054,"freq_skew":-2.829317,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNJ","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"TP37GT","msg_num":"D01","msg_num_seq":"D","sublabel":"DF","msg_text":"A19/A32019,1,1/CCCS-TNJ,JUL28,202823,LEBL,LPPT,0037/C106,00000,8100,43,0010,0,0100,43,X/CEN182,35002,269,794,6121,332,C31004/EC699627,52875,21965,73,15,014/EE575876,48752,26023,73/E10850,0944,43,160,010,000,024,0/N10850,0942,43,158,009,000,026,0/S11300,4430,002,001,186,41,34951,2/T11287,4445,002,N00,200,41,34977,2/V1N182,N465,06752,00320,212,216,215,0/X12501,00000,079,000,019,020,007,1/1E0838,0936,43,161,010,000,024,0/1N0838,0935,43,158,010,000,026,0/2E0836,0935,43,160,010,000,024,0/2N0835,0933,43,157,009,000,026,0/2S1242,4340,001,001,186,41,35002,2/2T1230,4360,001,N00,201,41,35029,2/2VN182,N470,06768,00320,212,216,215,0/2X2501,00000,079,000,020,019,006,1/"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":143391},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.718307,"noise_level":-28.279198,"freq_skew":2.252278,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":147988},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618892,"noise_level":-28.012945,"freq_skew":1.824800,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":360,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":149352},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.852743,"noise_level":-28.686749,"freq_skew":0.605480,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":149593},"freq":136975000,"burst_len_octets":296,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474809,"noise_level":-28.686749,"freq_skew":-2.768577,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":61,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":149593},"freq":136975000,"burst_len_octets":296,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.474809,"noise_level":-28.686749,"freq_skew":-2.768577,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":62,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":5,"ack":3,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":5,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,81,202]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,81,202]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":149593},"freq":136975000,"burst_len_octets":296,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.474809,"noise_level":-28.686749,"freq_skew":-2.768577,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":63,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":6,"ack":3,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":6,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,81,202]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,81,202]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":150460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.587617,"noise_level":-28.663166,"freq_skew":-0.082474,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":151403},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.601256,"noise_level":-28.592806,"freq_skew":2.320177,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":815,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":83,"dst_ref":1614,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[19,85,39,167]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":909836},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497656,"noise_level":-28.499868,"freq_skew":-1.884981,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[31,90,205,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":912195},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.015755,"noise_level":-28.362301,"freq_skew":0.011434,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[79,93,217,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":912302},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.173341,"noise_level":-28.339584,"freq_skew":2.156392,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":816,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":913184},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.182496,"noise_level":-28.294325,"freq_skew":0.577725,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":913684},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.077887,"noise_level":-28.271786,"freq_skew":-2.782458,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":916639},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.208465,"noise_level":-28.159946,"freq_skew":0.385529,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":916639},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.208465,"noise_level":-28.159946,"freq_skew":0.385529,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[18,36,10,68]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30749,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[236,153,222,51]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":917938},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677549,"noise_level":-28.137751,"freq_skew":0.664769,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19697,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[190,197,76,226]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":918678},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.333878,"noise_level":-28.115614,"freq_skew":-1.922458,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[1,60,138,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":919376},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704069,"noise_level":-28.093531,"freq_skew":-1.166300,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":919871},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.611119,"noise_level":-28.071503,"freq_skew":0.671439,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":13285,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734577,"usec":921385},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.190792,"noise_level":-28.027618,"freq_skew":0.831955,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734578,"usec":668457},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.271550,"noise_level":-27.854256,"freq_skew":-3.470877,"avlc":{"src":{"addr":"3420CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-IXD","mode":"2","label":"_d","blk_id":"2","ack":"B","flight":"IB04LY","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734578,"usec":671997},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.729037,"noise_level":-27.705353,"freq_skew":-2.928041,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734578,"usec":673205},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.415805,"noise_level":-27.642309,"freq_skew":0.679142,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":67,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[119,129,78,212]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734578,"usec":675266},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.153067,"noise_level":-27.517582,"freq_skew":-0.227362,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":697,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43251,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[209,85]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734579,"usec":430434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228028,"noise_level":-27.435413,"freq_skew":0.636473,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734579,"usec":432368},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.070946,"noise_level":-27.354015,"freq_skew":0.708130,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734579,"usec":434561},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.141073,"noise_level":-28.046059,"freq_skew":0.620535,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734579,"usec":435472},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.573097,"noise_level":-28.002300,"freq_skew":-0.332274,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":698,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[80,247]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734579,"usec":435677},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.354303,"noise_level":-28.002300,"freq_skew":2.384575,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734579,"usec":439431},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433954,"noise_level":-27.988228,"freq_skew":1.329880,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":765,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734580,"usec":193407},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500437,"noise_level":-27.773029,"freq_skew":-0.169326,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":699,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734580,"usec":200507},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.161399,"noise_level":-27.501011,"freq_skew":0.405164,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":44.799999,"lon":-3.800000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734580,"usec":201375},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.189291,"noise_level":-27.459908,"freq_skew":0.283847,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EJCP","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"U269AT","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734580,"usec":201375},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.189291,"noise_level":-27.459908,"freq_skew":0.283847,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20077465","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,127,53,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734580,"usec":962171},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.376868,"noise_level":-27.197378,"freq_skew":0.873946,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":789,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[60,32,69,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734580,"usec":964948},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.024497,"noise_level":-28.009092,"freq_skew":-0.281919,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734580,"usec":965779},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683683,"noise_level":-27.987280,"freq_skew":0.680287,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53410,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734581,"usec":715322},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336194,"noise_level":-27.827074,"freq_skew":1.948477,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1650,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[39,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734581,"usec":715764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.217488,"noise_level":-28.770481,"freq_skew":0.479262,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3420CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734581,"usec":716699},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.207544,"noise_level":-28.959106,"freq_skew":1.035581,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[115,110]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734581,"usec":719925},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155018,"noise_level":-28.790207,"freq_skew":-1.501972,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":671,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734581,"usec":721769},"freq":136975000,"burst_len_octets":27,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831470,"noise_level":-28.671541,"freq_skew":0.393955,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734581,"usec":721769},"freq":136975000,"burst_len_octets":27,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.831470,"noise_level":-28.671541,"freq_skew":0.393955,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734581,"usec":722163},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.697126,"noise_level":-28.648003,"freq_skew":-2.823481,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734582,"usec":478619},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.846350,"noise_level":-28.624525,"freq_skew":-1.495551,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":750,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734582,"usec":482377},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.085333,"noise_level":-28.393190,"freq_skew":-2.953582,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":64,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734582,"usec":489796},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.116390,"noise_level":-28.101372,"freq_skew":0.454029,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734583,"usec":246038},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.503502,"noise_level":-27.969929,"freq_skew":0.704505,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30749,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[99,101,40,69]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734583,"usec":247704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.855900,"noise_level":-27.883387,"freq_skew":2.115690,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734583,"usec":248479},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.926158,"noise_level":-27.840439,"freq_skew":-1.501467,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":672,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[136,244,178,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734583,"usec":253018},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.952285,"noise_level":-27.670738,"freq_skew":-0.620924,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[179,203,122,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734583,"usec":253945},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.836030,"noise_level":-27.649755,"freq_skew":0.394088,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734583,"usec":999392},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.882559,"noise_level":-27.524921,"freq_skew":1.097809,"avlc":{"src":{"addr":"4402F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":1613},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.467365,"noise_level":-27.401855,"freq_skew":1.788200,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1651,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[233,61]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":2450},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016012,"noise_level":-27.927879,"freq_skew":0.498844,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":8013},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.872226,"noise_level":-27.651045,"freq_skew":-1.969252,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":43,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":8189},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687564,"noise_level":-27.651045,"freq_skew":0.112491,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":8356},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.936642,"noise_level":-27.651045,"freq_skew":0.675289,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":13631,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":765503},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.139989,"noise_level":-28.397272,"freq_skew":-2.941018,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,84,65,80,0,73,81,202,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":765629},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432529,"noise_level":-28.397272,"freq_skew":-0.074646,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":741,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[187,50,212,48]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":766163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.224852,"noise_level":-28.351711,"freq_skew":0.597781,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":768944},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.213758,"noise_level":-28.194113,"freq_skew":-0.293645,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":772963},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.035546,"noise_level":-27.995596,"freq_skew":0.784582,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30749,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[103,240,60,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734584,"usec":774034},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.118666,"noise_level":-27.930416,"freq_skew":1.854676,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.600002,"lon":-3.300000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734585,"usec":525663},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294812,"noise_level":-27.908802,"freq_skew":-0.107839,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWC","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR12CD","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734585,"usec":525968},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.189222,"noise_level":-27.887238,"freq_skew":0.560928,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734585,"usec":526905},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.011075,"noise_level":-27.844269,"freq_skew":1.971555,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734585,"usec":529715},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.892248,"noise_level":-27.674494,"freq_skew":1.818457,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVW","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"EC7050","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734585,"usec":531085},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.222693,"noise_level":-27.653503,"freq_skew":-0.097714,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23122550","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,165,104,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734585,"usec":531300},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.965783,"noise_level":-27.632565,"freq_skew":-1.427882,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734585,"usec":532567},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.214069,"noise_level":-27.611675,"freq_skew":1.832308,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000772","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,1,250,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734586,"usec":288154},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.989918,"noise_level":-27.264032,"freq_skew":1.927243,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":694,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,74,85,0,68,1,250],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734586,"usec":295475},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671112,"noise_level":-27.490255,"freq_skew":-0.411774,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":700,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43251,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[131,45]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":52252},"freq":136975000,"burst_len_octets":244,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.188073,"noise_level":-27.367676,"freq_skew":1.931647,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":695,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":7,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,69,74,85,0,68,1,250]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,69,74,85,0,68,1,250]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":52252},"freq":136975000,"burst_len_octets":244,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.188073,"noise_level":-27.367676,"freq_skew":1.931647,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":696,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":3,"ack":1,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":8,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,69,74,85,0,68,1,250]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,69,74,85,0,68,1,250]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":54049},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401172,"noise_level":-27.286907,"freq_skew":-0.223401,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":701,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30757,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[167,232]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":54174},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.764265,"noise_level":-27.286907,"freq_skew":0.371322,"avlc":{"src":{"addr":"407F35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":54604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.878161,"noise_level":-27.246801,"freq_skew":-1.982773,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":55246},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.478521,"noise_level":-27.226820,"freq_skew":1.378665,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2874,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[139,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":59891},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421174,"noise_level":-27.523386,"freq_skew":1.703558,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":817061},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386062,"noise_level":-27.910326,"freq_skew":-0.248635,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":819356},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.332959,"noise_level":-27.824373,"freq_skew":1.609622,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1651,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[233,61]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":822797},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.738881,"noise_level":-28.102457,"freq_skew":1.887706,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVW","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"EC7050","msg_num":"S94","msg_num_seq":"A","msg_text":"0EV202946V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":29,"sec":46}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":824044},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.069238,"noise_level":-28.080408,"freq_skew":-2.713605,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,84,65,80,0,73,81,202,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734587,"usec":825155},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605735,"noise_level":-28.014595,"freq_skew":-0.232855,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":702,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":17,"dst_ref":43251,"variable_part_params":[{"name":"checksum","value":[192,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734588,"usec":580583},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.280252,"noise_level":-27.884445,"freq_skew":1.264188,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[123,176,147,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734588,"usec":586931},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442201,"noise_level":-28.437538,"freq_skew":-0.276110,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":703,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30757,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[47,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734588,"usec":588692},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.260009,"noise_level":-28.368973,"freq_skew":0.455334,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":15,"rseq":7,"variable_part_params":[{"name":"checksum","value":[247,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734588,"usec":589706},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.847042,"noise_level":-28.477119,"freq_skew":1.615848,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":697,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734588,"usec":590242},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.135055,"noise_level":-28.454102,"freq_skew":-3.016947,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734588,"usec":590607},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.130536,"noise_level":-28.431141,"freq_skew":0.634988,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734589,"usec":340487},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.779943,"noise_level":-28.071819,"freq_skew":2.295743,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[224,62]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734589,"usec":343592},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.519472,"noise_level":-27.897583,"freq_skew":1.704887,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734590,"usec":102274},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575893,"noise_level":-27.663574,"freq_skew":-0.194482,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":704,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30757,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[43,5]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734590,"usec":102677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.246797,"noise_level":-27.642611,"freq_skew":0.513825,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734590,"usec":106455},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.987603,"noise_level":-27.476694,"freq_skew":1.629433,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"IB07HP","msg_num":"M03","msg_num_seq":"A","msg_text":"/LEMD.TI2/024LEMDA367D"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734590,"usec":107129},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601239,"noise_level":-27.435707,"freq_skew":-0.261030,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":705,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30757,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[154,214]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734591,"usec":626456},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.061009,"noise_level":-26.469231,"freq_skew":1.636836,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"_d","blk_id":"3","ack":"J","flight":"IB07HP","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734591,"usec":627477},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864202,"noise_level":-26.864792,"freq_skew":-0.483689,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734591,"usec":627576},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719354,"noise_level":-26.864792,"freq_skew":0.403824,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43309,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[87,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734592,"usec":383880},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.467102,"noise_level":-27.347000,"freq_skew":1.315650,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2875,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[60,2]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734593,"usec":150432},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.582023,"noise_level":-27.060204,"freq_skew":0.604837,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[176,225]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734593,"usec":151658},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.894154,"noise_level":-27.502354,"freq_skew":1.694965,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"_d","blk_id":"4","ack":"K","flight":"IB07HP","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734593,"usec":156874},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.886927,"noise_level":-27.626772,"freq_skew":2.118425,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2494,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734593,"usec":901923},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368600,"noise_level":-27.564297,"freq_skew":-1.350216,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[165,210,247,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734593,"usec":908576},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.708959,"noise_level":-27.238472,"freq_skew":0.110137,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734593,"usec":909711},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.188825,"noise_level":-28.233227,"freq_skew":0.600812,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734593,"usec":911233},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.507376,"noise_level":-28.144039,"freq_skew":0.694782,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":5,"variable_part_params":[{"name":"checksum","value":[35,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734593,"usec":911705},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.937411,"noise_level":-28.121887,"freq_skew":0.678050,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1199BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-2.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734594,"usec":675803},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.104159,"noise_level":-27.732468,"freq_skew":1.207980,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734594,"usec":676532},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.828645,"noise_level":-27.797873,"freq_skew":0.464381,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19746,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[171,84,113,104]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECM,/ATC UNIT MADRID,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734594,"usec":678247},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.784186,"noise_level":-27.755344,"freq_skew":1.674329,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":722,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734595,"usec":432235},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.249176,"noise_level":-28.217232,"freq_skew":0.296435,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[196,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734595,"usec":435408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.099415,"noise_level":-28.084032,"freq_skew":0.994843,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734595,"usec":438734},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.649623,"noise_level":-27.909554,"freq_skew":1.438949,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2875,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[60,2]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734596,"usec":191190},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954704,"noise_level":-28.056778,"freq_skew":1.713475,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,74,85,0,68,1,250,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734596,"usec":192506},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179097,"noise_level":-27.991142,"freq_skew":0.545735,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734596,"usec":194189},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581821,"noise_level":-27.925999,"freq_skew":0.742046,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":68,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[204,78,128,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734596,"usec":197775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.455997,"noise_level":-28.293440,"freq_skew":0.207983,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734596,"usec":957851},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706107,"noise_level":-28.092667,"freq_skew":-0.976667,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[165,210,247,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734596,"usec":958486},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.280457,"noise_level":-28.048672,"freq_skew":0.616844,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734596,"usec":959549},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.721868,"noise_level":-28.004902,"freq_skew":0.978837,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[68,152]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734596,"usec":960641},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220242,"noise_level":-28.584503,"freq_skew":-0.012728,"avlc":{"src":{"addr":"406015","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":666,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1540,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[252,194,63,243]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734596,"usec":965771},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.152176,"noise_level":-28.263781,"freq_skew":1.253116,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":796,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[28,214,62,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734597,"usec":718061},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.900103,"noise_level":-28.129871,"freq_skew":2.139733,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2494,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734598,"usec":484118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.259252,"noise_level":-27.572330,"freq_skew":0.658645,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734599,"usec":243856},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.180305,"noise_level":-27.360386,"freq_skew":0.324201,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[196,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734600,"usec":11661},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.797006,"noise_level":-27.002993,"freq_skew":-1.538021,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734600,"usec":13911},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442732,"noise_level":-26.925529,"freq_skew":-1.225759,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[165,210,247,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734600,"usec":23091},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.052424,"noise_level":-26.791611,"freq_skew":-1.549943,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"TP93ZS","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734600,"usec":23091},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.052424,"noise_level":-26.791611,"freq_skew":-1.549943,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251222","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,146,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734600,"usec":772553},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.193270,"noise_level":-26.683228,"freq_skew":-1.706601,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":673,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1473,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[84,12,133,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734600,"usec":772553},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.193270,"noise_level":-26.683228,"freq_skew":-1.706601,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":674,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1473,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[213,219,233,33]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":29,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734600,"usec":776410},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.851810,"noise_level":-26.790018,"freq_skew":-1.476658,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"TP93ZS","msg_num":"S14","msg_num_seq":"A","msg_text":"0EV202958V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":29,"sec":58}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734600,"usec":776823},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.479063,"noise_level":-26.771057,"freq_skew":1.644659,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734601,"usec":530223},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547611,"noise_level":-26.400290,"freq_skew":0.674434,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":14127,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734602,"usec":291179},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546733,"noise_level":-26.167509,"freq_skew":-1.537322,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734602,"usec":294287},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.810837,"noise_level":-26.009932,"freq_skew":0.761958,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1199BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-2.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734602,"usec":299741},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.814492,"noise_level":-25.855162,"freq_skew":1.652263,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":855,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[207,38,86,80]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734603,"usec":51129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618453,"noise_level":-25.736664,"freq_skew":-1.556606,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734603,"usec":51470},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.284025,"noise_level":-25.719868,"freq_skew":2.209013,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734603,"usec":53576},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.394510,"noise_level":-25.809204,"freq_skew":2.080863,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3736,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[124,52]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734603,"usec":818510},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.303701,"noise_level":-25.282936,"freq_skew":0.390484,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[11,150,77,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734603,"usec":819357},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681123,"noise_level":-25.266993,"freq_skew":-1.284374,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[165,210,247,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734604,"usec":572456},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.273564,"noise_level":-25.203512,"freq_skew":0.478843,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[196,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734604,"usec":579062},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.267159,"noise_level":-25.880260,"freq_skew":0.536536,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734606,"usec":111460},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.842416,"noise_level":-25.111870,"freq_skew":0.843049,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":438,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734606,"usec":113639},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.236739,"noise_level":-26.051460,"freq_skew":2.145674,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":628,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[217,48,32,125]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734606,"usec":864799},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.665586,"noise_level":-25.810753,"freq_skew":-0.378442,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"B9","blk_id":"0","ack":"!","flight":"TP0555","msg_num":"J27","msg_num_seq":"A","msg_text":"/LPPT.TI2/000LPPTAF59C"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734606,"usec":865312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.077934,"noise_level":-25.793810,"freq_skew":0.560077,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734606,"usec":868297},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.167786,"noise_level":-25.709599,"freq_skew":0.554064,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734606,"usec":869075},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727226,"noise_level":-25.676140,"freq_skew":-0.329783,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-6.600000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734607,"usec":623124},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.210089,"noise_level":-26.237125,"freq_skew":1.265876,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43398,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[44,116]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734608,"usec":386567},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303183,"noise_level":-26.008621,"freq_skew":0.148286,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[196,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734608,"usec":388059},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.414691,"noise_level":-26.495750,"freq_skew":0.753926,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734609,"usec":148272},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.159863,"noise_level":-26.207020,"freq_skew":0.543781,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734609,"usec":908387},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285088,"noise_level":-25.673527,"freq_skew":2.099478,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":628,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[217,48,32,125]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734609,"usec":911062},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435435,"noise_level":-25.690571,"freq_skew":1.177653,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":797,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30553,"credit":4,"rseq":15,"variable_part_params":[{"name":"atn_checksum","value":[29,208,168,241]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734610,"usec":672467},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.180628,"noise_level":-25.516953,"freq_skew":0.705121,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734610,"usec":675877},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.462379,"noise_level":-25.338474,"freq_skew":1.294447,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734610,"usec":678016},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.710258,"noise_level":-25.290428,"freq_skew":2.613908,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":22,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734610,"usec":678501},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.426798,"noise_level":-26.127048,"freq_skew":0.637257,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1199BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-2.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734610,"usec":679859},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.087943,"noise_level":-26.074448,"freq_skew":1.395670,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":798,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30553,"credit":4,"rseq":15,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":15,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[29,228,33,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734611,"usec":434088},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.708236,"noise_level":-25.648083,"freq_skew":0.587170,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"TP05AS","msg_num":"M74","msg_num_seq":"A","msg_text":"/LPPT.TI2/024LPPTA93DE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734611,"usec":435861},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.363289,"noise_level":-25.999527,"freq_skew":0.648602,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19764,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[253,31,191,249]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734612,"usec":192947},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667086,"noise_level":-25.947689,"freq_skew":1.826563,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVD","mode":"2","label":"B9","blk_id":"6","ack":"!","flight":"EC59FM","msg_num":"M71","msg_num_seq":"A","msg_text":"/LPPT.TI2/040LPPTA345A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734612,"usec":194946},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.051416,"noise_level":-25.827932,"freq_skew":-1.705018,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":675,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1473,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[45,141,67,142]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734612,"usec":195311},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890624,"noise_level":-25.810957,"freq_skew":-1.756535,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":676,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43384,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[174,79,143,16]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":10}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734612,"usec":959797},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.229151,"noise_level":-25.543785,"freq_skew":0.449072,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734612,"usec":960957},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.479302,"noise_level":-25.494593,"freq_skew":0.632212,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVD","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734612,"usec":970028},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808703,"noise_level":-25.843832,"freq_skew":1.826090,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3737,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[45,218]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734612,"usec":972715},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.617462,"noise_level":-26.562756,"freq_skew":-1.581499,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734612,"usec":972990},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663455,"noise_level":-26.562756,"freq_skew":1.189068,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734613,"usec":716880},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.674149,"noise_level":-26.452511,"freq_skew":-1.692602,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734613,"usec":717550},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.047191,"noise_level":-26.397911,"freq_skew":-1.621062,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":677,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":10514,"dst_ref":1473,"variable_part_params":[{"name":"atn_checksum","value":[119,12,74,128]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734613,"usec":717687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.863574,"noise_level":-26.397911,"freq_skew":1.304612,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734613,"usec":718099},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.059313,"noise_level":-26.361698,"freq_skew":1.866447,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734613,"usec":718551},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.017285,"noise_level":-26.343649,"freq_skew":-1.514666,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":678,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[251,148,173,29]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734613,"usec":720842},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378139,"noise_level":-26.182873,"freq_skew":0.609073,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19771,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[85,247,5,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734614,"usec":486567},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.327587,"noise_level":-25.650816,"freq_skew":0.583363,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19764,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[253,31,191,249]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734615,"usec":242246},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.147163,"noise_level":-26.209904,"freq_skew":-0.754083,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":148,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734615,"usec":242908},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546514,"noise_level":-26.174465,"freq_skew":-0.200331,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-6.600000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734615,"usec":243457},"freq":136975000,"burst_len_octets":236,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.967505,"noise_level":-26.213877,"freq_skew":0.457293,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVD","mode":"2","label":"A9","blk_id":"W","ack":"!","msg_text":"/LISCAYA.TI2/LPPT ARR ATIS H\r\n2030Z EXP ILS APCH\r\nRWY IN USE 02\r\nTRL 50\r\nPAPI OUT OF SERVICE\r\nAFTER LDG VACATE VIA H\" 4\r\nWND TDZ 320 DEG 17 KT\r\nCAVOK\r\nTEMP 23 DP 15 QNH 1014\r\nACK ARR INFO H\r\n\r\n\r\n098B\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734615,"usec":247648},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596005,"noise_level":-26.055466,"freq_skew":-1.970702,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":746,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[8,230,115,215]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734615,"usec":248118},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.507016,"noise_level":-26.984669,"freq_skew":1.731235,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVD","mode":"2","label":"_d","blk_id":"7","ack":"W","flight":"EC59FM","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734616,"usec":6594},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.960902,"noise_level":-26.830750,"freq_skew":2.568627,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734616,"usec":7211},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.000726,"noise_level":-26.792694,"freq_skew":-0.322629,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"TP0555","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734616,"usec":7211},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.000726,"noise_level":-26.792694,"freq_skew":-0.322629,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250515","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,77,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734616,"usec":8731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.247717,"noise_level":-27.707165,"freq_skew":0.550851,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734616,"usec":11701},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.146599,"noise_level":-27.560741,"freq_skew":0.547810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734616,"usec":12007},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.850209,"noise_level":-27.560741,"freq_skew":0.452687,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734616,"usec":763022},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.029566,"noise_level":-28.155430,"freq_skew":-0.220757,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734616,"usec":765693},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672908,"noise_level":-27.936098,"freq_skew":-1.499482,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[28,214,253,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734617,"usec":528148},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.065942,"noise_level":-27.617151,"freq_skew":-0.189801,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734617,"usec":529328},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.508395,"noise_level":-27.534039,"freq_skew":-1.592095,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734617,"usec":529707},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.450123,"noise_level":-27.513386,"freq_skew":0.296602,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[196,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734617,"usec":529897},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.670372,"noise_level":-28.530563,"freq_skew":0.731242,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19764,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[253,31,191,249]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734617,"usec":534890},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.606082,"noise_level":-28.301685,"freq_skew":0.640818,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"TP05AS","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734617,"usec":536038},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.363674,"noise_level":-28.256622,"freq_skew":1.495168,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[203,113,173,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734617,"usec":536416},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381543,"noise_level":-28.234179,"freq_skew":1.942273,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3737,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[45,218]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734618,"usec":289029},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646784,"noise_level":-28.034754,"freq_skew":-2.017801,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":746,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[8,230,115,215]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734618,"usec":289287},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378519,"noise_level":-28.034754,"freq_skew":0.607823,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734618,"usec":293426},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.704215,"noise_level":-28.159647,"freq_skew":0.383943,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"TP05AS","msg_num":"M75","msg_num_seq":"A","msg_text":"/LEMD.TI2/024LEMDA367D"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734619,"usec":46698},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.131972,"noise_level":-28.922892,"freq_skew":0.512026,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734619,"usec":809397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.805913,"noise_level":-28.313892,"freq_skew":-0.891493,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734620,"usec":576826},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.356609,"noise_level":-27.597742,"freq_skew":0.666369,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19784,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[165,40,35,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734620,"usec":582704},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155767,"noise_level":-27.567215,"freq_skew":0.453134,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[221,73,57,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734620,"usec":586414},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.697037,"noise_level":-27.423113,"freq_skew":-0.837459,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734621,"usec":336829},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.322182,"noise_level":-27.221313,"freq_skew":-1.887759,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-JZHH","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LS015L","msg_num":"D13","msg_num_seq":"A","sublabel":"DF","msg_text":"41102??????B737-800280725JX0015GCFVEGSS1547EXS702\r\n185201CR002836001254769-452-183N31577W012361150949\r\n090410904209410942697690-0030002\r\n28422808006300634845108109\r\n02000360120070120001\r\n090101071148000\r\n11"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734621,"usec":337058},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.182369,"noise_level":-27.221313,"freq_skew":0.884163,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1199BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-2.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734621,"usec":337234},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657322,"noise_level":-27.201387,"freq_skew":0.556288,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19764,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[253,31,191,249]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734621,"usec":338011},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961281,"noise_level":-27.161674,"freq_skew":-1.974548,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[133,187,15,94]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734622,"usec":93900},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424881,"noise_level":-26.927137,"freq_skew":1.492513,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30723,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[62,1]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734622,"usec":94499},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389147,"noise_level":-26.888657,"freq_skew":1.228643,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":560,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[232,70,204,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734622,"usec":94656},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.054315,"noise_level":-26.888657,"freq_skew":0.719259,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"Z","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734622,"usec":107484},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.350646,"noise_level":-27.401735,"freq_skew":0.715996,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734622,"usec":863144},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.505670,"noise_level":-27.200424,"freq_skew":0.639336,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"_d","blk_id":"4","ack":"G","flight":"TP05AS","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734622,"usec":864330},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359915,"noise_level":-27.336462,"freq_skew":1.236724,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30723,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[159,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734622,"usec":867995},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393000,"noise_level":-27.196106,"freq_skew":-2.092755,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-JZHH","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"LS015L","msg_num":"D13","msg_num_seq":"B","sublabel":"DF","msg_text":"0000001194XXXXXXXX00000000\r\n018CE018CE000000000000009000093984539885\r\n000000000010000200007F0927F0920000000000\r\n4084E40844000000000000XXXXXXXX??\r\n03630361XXXXXXXXXXXXXXXXXXXXXXXXXXXX\r\n0336033612331213064066"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734623,"usec":624480},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.080853,"noise_level":-27.388060,"freq_skew":0.579194,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[221,73,57,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734623,"usec":625813},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.108324,"noise_level":-27.307102,"freq_skew":-0.064046,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43376,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[43,21,134,187]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":22}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"REQUEST DIRECT TO [position]","choice":"dM22Position","data":{"position":{"choice":"fixName","data":{"fix_name":{"fix":"MABUX"}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734623,"usec":626311},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.117868,"noise_level":-27.286980,"freq_skew":0.491529,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734623,"usec":627852},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.606165,"noise_level":-27.167215,"freq_skew":0.475991,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"X","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734624,"usec":384019},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725304,"noise_level":-26.990612,"freq_skew":-1.827441,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[133,187,15,94]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734624,"usec":384102},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677147,"noise_level":-26.990612,"freq_skew":0.465953,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734624,"usec":384892},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.512195,"noise_level":-27.678320,"freq_skew":0.670539,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[101,235,2,21]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734624,"usec":385686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.305588,"noise_level":-28.035601,"freq_skew":1.421243,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734624,"usec":392219},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.289997,"noise_level":-27.755367,"freq_skew":-1.977568,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"LS015L","msg_num":"D13","msg_num_seq":"C","sublabel":"DF","msg_text":"41102??????B737-800280725JX0015GCFVEGSS1547EXS702\r\n185201CR002836001254769-452-183N31577W012361150949\r\n090410904209410942697690-0030002\r\n28422808006300634845108109\r\n02000360120070120001\r\n090101071148000\r\n110000001194XXXXXXXX00000000\r\n018CE018CE000000000000009000093984539885\r\n000000000010000200007F0927F0920000000000\r\n4084E40844000000000000XXXXXXXX??\r\n03630361XXXXXXXXXXXXXXXXXXXXXXXXXXXX\r\n033603361233121306406604430442XXXXXXXX\r\nXXXXXXXXXXXXXXXXXXXXXXXX\r\nXXXXXXXXXXXXXXXXXXXXXXXX\r\n104763047630154701547\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734625,"usec":155749},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109094,"noise_level":-27.595581,"freq_skew":0.545250,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734625,"usec":911837},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.555658,"noise_level":-27.308807,"freq_skew":0.630030,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"Y","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734625,"usec":920941},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767298,"noise_level":-27.011703,"freq_skew":-0.354228,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":3000,"net":[71,0,39,65,84,65,80,0,73,81,77,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734626,"usec":672227},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.289505,"noise_level":-27.391495,"freq_skew":-1.934407,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734626,"usec":672650},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.872699,"noise_level":-27.371178,"freq_skew":-2.407819,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":204,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,27,82,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734626,"usec":672735},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.156416,"noise_level":-27.371178,"freq_skew":1.581640,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.600002,"lon":-4.100000},"alt":39000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734626,"usec":672735},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.156416,"noise_level":-27.371178,"freq_skew":1.581640,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"U215KW","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734626,"usec":672735},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.156416,"noise_level":-27.371178,"freq_skew":1.581640,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062471","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,101,57,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734626,"usec":683231},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.701143,"noise_level":-27.398703,"freq_skew":-0.030384,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734627,"usec":431943},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.551959,"noise_level":-27.237339,"freq_skew":0.598017,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[101,235,2,21]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734627,"usec":433591},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.150327,"noise_level":-27.118254,"freq_skew":-0.469821,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97,129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734627,"usec":435191},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459723,"noise_level":-27.020247,"freq_skew":-0.129372,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[167,0,247,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734627,"usec":435737},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.753151,"noise_level":-27.780573,"freq_skew":0.613989,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734627,"usec":436855},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635618,"noise_level":-27.716984,"freq_skew":-0.063798,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734627,"usec":437022},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.150150,"noise_level":-27.695892,"freq_skew":-0.346299,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"2","ack":"I","flight":"TP0555","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734627,"usec":440069},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938086,"noise_level":-27.612026,"freq_skew":-0.295485,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"43","blk_id":"3","ack":"!","flight":"TP0555","msg_num":"M54","msg_num_seq":"A","msg_text":"PAXC "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":197521},"freq":136975000,"burst_len_octets":27,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635561,"noise_level":-28.117466,"freq_skew":1.514608,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":197521},"freq":136975000,"burst_len_octets":27,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.635561,"noise_level":-28.117466,"freq_skew":1.514608,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":197698},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.064158,"noise_level":-28.095379,"freq_skew":-0.257042,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":483,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,84,65,80,0,73,81,77],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":198236},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.682770,"noise_level":-28.073347,"freq_skew":0.451461,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-4.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":199192},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.901463,"noise_level":-28.785446,"freq_skew":-0.006944,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[164,42,12,34]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":204364},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.148911,"noise_level":-28.596455,"freq_skew":1.540524,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":205021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.379305,"noise_level":-28.988346,"freq_skew":0.572978,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":205286},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788127,"noise_level":-28.963936,"freq_skew":0.696191,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":950531},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275477,"noise_level":-28.842890,"freq_skew":-0.262582,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":950531},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.275477,"noise_level":-28.842890,"freq_skew":-0.262582,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":484,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":5,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,81,77]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,81,77]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":950531},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.275477,"noise_level":-28.842890,"freq_skew":-0.262582,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":485,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":3,"ack":1,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":6,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,81,77]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,81,77]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":955689},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.106943,"noise_level":-28.774252,"freq_skew":-0.403534,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734628,"usec":957690},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828453,"noise_level":-28.679361,"freq_skew":1.235532,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30723,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[29,120]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":11,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734629,"usec":720357},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442977,"noise_level":-28.355186,"freq_skew":1.458917,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43398,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[84,229]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":27}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734629,"usec":725016},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.010067,"noise_level":-28.130819,"freq_skew":0.736857,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1199BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-2.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734630,"usec":479148},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594824,"noise_level":-27.853844,"freq_skew":1.235884,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":4,"dst_ref":30723,"variable_part_params":[{"name":"checksum","value":[235,5]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734630,"usec":480351},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.246859,"noise_level":-27.747231,"freq_skew":0.511328,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[245,24,176,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734630,"usec":483393},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546671,"noise_level":-27.579323,"freq_skew":1.211377,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":368,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[174,70,159,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734630,"usec":483660},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273773,"noise_level":-27.579323,"freq_skew":1.038379,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[240,167,171,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734630,"usec":484203},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.755729,"noise_level":-28.197803,"freq_skew":1.205124,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734631,"usec":238177},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.361580,"noise_level":-28.064901,"freq_skew":1.692421,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734631,"usec":240014},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568452,"noise_level":-27.912373,"freq_skew":1.417713,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43398,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[33,125]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734631,"usec":240604},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240799,"noise_level":-27.869282,"freq_skew":-1.672306,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"5Y","blk_id":"7","ack":"!","flight":"TP93ZS","msg_num":"M71","msg_num_seq":"A","msg_text":"---2129  45N 400903,W  34525,34972,  424375,MS45,292, 46,266,203024,10040"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734631,"usec":241230},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.294152,"noise_level":-27.826405,"freq_skew":0.702338,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734631,"usec":241498},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.835258,"noise_level":-27.805044,"freq_skew":1.441399,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":723,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":4,"ack":2,"credit_offered":0,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734631,"usec":998639},"freq":136975000,"burst_len_octets":244,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.099155,"noise_level":-27.490788,"freq_skew":-0.403166,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":484,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":5,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,81,77]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,81,77]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734631,"usec":998639},"freq":136975000,"burst_len_octets":244,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.099155,"noise_level":-27.490788,"freq_skew":-0.403166,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":485,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":3,"ack":1,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":6,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,81,77]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,81,77]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734631,"usec":999798},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683853,"noise_level":-27.429277,"freq_skew":1.766004,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":235,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734632,"usec":1456},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.269394,"noise_level":-27.761131,"freq_skew":0.163211,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.900002,"lon":-5.800000},"alt":31000}},{"name":"alternate_ground_stations","value":["1192CA","119ADA","1191CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734632,"usec":764868},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716830,"noise_level":-27.843758,"freq_skew":0.680073,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734632,"usec":765151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.512321,"noise_level":-27.822353,"freq_skew":-1.622614,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734632,"usec":765233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.964212,"noise_level":-27.822353,"freq_skew":1.631915,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734632,"usec":767523},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961476,"noise_level":-27.653004,"freq_skew":1.177575,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":821,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,32,250,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734632,"usec":772147},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.521187,"noise_level":-27.486889,"freq_skew":0.543853,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"_d","blk_id":"5","ack":"H","flight":"TP05AS","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734633,"usec":533094},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.827111,"noise_level":-28.329346,"freq_skew":-1.569480,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"TP93ZS","msg_num":"M72","msg_num_seq":"A","msg_text":"/LPPT.TI2/040LPPTA345A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734633,"usec":534211},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.590911,"noise_level":-28.239170,"freq_skew":0.956311,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":791,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734633,"usec":538067},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.835196,"noise_level":-27.930727,"freq_skew":0.063706,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"TP19UT","msg_num":"M06","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734634,"usec":284277},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.195336,"noise_level":-27.738073,"freq_skew":0.225697,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22251023","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,65,80,0,73,82,19,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734634,"usec":285497},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679090,"noise_level":-27.674793,"freq_skew":0.534724,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":254,"calling_addr":"22251023","facilities":[{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734634,"usec":292151},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.435866,"noise_level":-27.972996,"freq_skew":0.514210,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734635,"usec":56267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.326030,"noise_level":-28.354094,"freq_skew":-1.640963,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734635,"usec":57194},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.829596,"noise_level":-29.148060,"freq_skew":-1.580037,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTR","mode":"2","label":"_d","blk_id":"9","ack":"F","flight":"TP93ZS","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734635,"usec":67051},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.471936,"noise_level":-28.806263,"freq_skew":0.480047,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19805,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":79,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[247,162,211,249]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734635,"usec":811289},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.954608,"noise_level":-28.782352,"freq_skew":-0.269739,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"4","ack":"J","flight":"TP0555","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734635,"usec":811289},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.954608,"noise_level":-28.782352,"freq_skew":-0.269739,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734635,"usec":812740},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.195925,"noise_level":-29.302828,"freq_skew":2.178829,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":629,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[42,138,11,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734635,"usec":815805},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920491,"noise_level":-29.127176,"freq_skew":0.262827,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734635,"usec":817067},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687813,"noise_level":-29.077635,"freq_skew":0.247247,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSP","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"FRRYS7","msg_num":"M89","msg_num_seq":"A","msg_text":"203034,M118196,2254, 217,N 42.451 W  2.849"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734635,"usec":817844},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.928781,"noise_level":-29.052971,"freq_skew":0.777200,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":69,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734635,"usec":819106},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.314062,"noise_level":-29.028376,"freq_skew":1.761387,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5562,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[190,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734636,"usec":572814},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.170745,"noise_level":-29.705086,"freq_skew":0.712650,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734636,"usec":573019},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.112582,"noise_level":-29.705086,"freq_skew":0.554663,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-4.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734636,"usec":574172},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.789332,"noise_level":-29.599529,"freq_skew":0.669844,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734636,"usec":574635},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547849,"noise_level":-29.942434,"freq_skew":-0.395099,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":486,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734636,"usec":576527},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.158593,"noise_level":-29.807068,"freq_skew":0.476797,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734636,"usec":576642},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.981711,"noise_level":-29.807068,"freq_skew":0.660307,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734636,"usec":577798},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.513998,"noise_level":-30.240889,"freq_skew":0.564836,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSP","mode":"2","label":"_d","blk_id":"Y","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734637,"usec":340076},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.123087,"noise_level":-29.881321,"freq_skew":-0.227786,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734637,"usec":341631},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.501372,"noise_level":-29.773615,"freq_skew":1.717700,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734638,"usec":102117},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.829569,"noise_level":-29.178955,"freq_skew":-0.335239,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"5","ack":"K","flight":"TP0555","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734638,"usec":106589},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642369,"noise_level":-28.981304,"freq_skew":0.538368,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":15022,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734638,"usec":107253},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656788,"noise_level":-28.932589,"freq_skew":0.729982,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19808,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":78,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[134,150,155,137]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFBB"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734638,"usec":861994},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986804,"noise_level":-28.669416,"freq_skew":-0.308636,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[17,254,7,218]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[203,205,130,64]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734638,"usec":862874},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.805968,"noise_level":-28.599005,"freq_skew":2.172982,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3738,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[45,6]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734638,"usec":865398},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.495628,"noise_level":-28.413984,"freq_skew":0.694799,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19811,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[186,184,52,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734638,"usec":865544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.341350,"noise_level":-28.704372,"freq_skew":0.829302,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734638,"usec":867126},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.349792,"noise_level":-28.610239,"freq_skew":1.690410,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[129,42]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734639,"usec":622374},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.008374,"noise_level":-28.600988,"freq_skew":-1.933982,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"30","blk_id":"3","ack":"!","flight":"TP0828","msg_num":"M15","msg_num_seq":"A","msg_text":"2235"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734640,"usec":387761},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.355522,"noise_level":-28.638123,"freq_skew":0.601035,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSP","mode":"2","label":"_d","blk_id":"Y","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734640,"usec":392581},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.167388,"noise_level":-28.360823,"freq_skew":1.579998,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5564,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[186,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734640,"usec":394289},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.670168,"noise_level":-28.988438,"freq_skew":0.928410,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":147879},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468507,"noise_level":-28.818972,"freq_skew":1.452272,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4333,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43338,"credit":3,"rseq":2,"variable_part_params":[{"name":"checksum","value":[67,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":148368},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.200654,"noise_level":-28.771152,"freq_skew":1.642062,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":724,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":2,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,90,89,0,64,101,57],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":149292},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.924211,"noise_level":-28.699915,"freq_skew":-2.123769,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":150811},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.347747,"noise_level":-28.559170,"freq_skew":1.607530,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5565,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43210,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[51,164]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":152205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.047151,"noise_level":-28.512756,"freq_skew":0.277262,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":153140},"freq":136975000,"burst_len_octets":295,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.217534,"noise_level":-28.443600,"freq_skew":1.330029,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":725,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":153140},"freq":136975000,"burst_len_octets":295,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.217534,"noise_level":-28.443600,"freq_skew":1.330029,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":726,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":5,"ack":2,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":9,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,69,90,89,0,64,101,57]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,69,90,89,0,64,101,57]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":153140},"freq":136975000,"burst_len_octets":295,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.217534,"noise_level":-28.443600,"freq_skew":1.330029,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":727,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":6,"ack":2,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":10,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,69,90,89,0,64,101,57]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,69,90,89,0,64,101,57]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":907797},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938653,"noise_level":-28.844856,"freq_skew":-2.009149,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1555,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[70,241,55,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":909764},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643612,"noise_level":-28.701763,"freq_skew":1.031601,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23122352","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,164,234,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":910196},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563048,"noise_level":-28.678141,"freq_skew":1.697769,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":800,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[168,74,57,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":912497},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.065194,"noise_level":-28.584291,"freq_skew":-0.393562,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[17,254,7,218]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[203,205,130,64]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":915718},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.658753,"noise_level":-28.514566,"freq_skew":0.351792,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":629,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734641,"usec":916595},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438452,"noise_level":-28.491447,"freq_skew":0.567937,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19811,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[186,184,52,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734642,"usec":667220},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.360713,"noise_level":-28.308678,"freq_skew":2.042795,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-4.800000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734642,"usec":667522},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167792,"noise_level":-28.308678,"freq_skew":1.186779,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DPF","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR03NM","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734642,"usec":669143},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.582758,"noise_level":-29.007580,"freq_skew":0.411232,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734642,"usec":671721},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.930072,"noise_level":-28.813747,"freq_skew":1.801039,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734642,"usec":673155},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343369,"noise_level":-29.078682,"freq_skew":0.593924,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1199BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-2.000000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734643,"usec":437314},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.494176,"noise_level":-29.029417,"freq_skew":0.622222,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21000363","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734643,"usec":438361},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.046832,"noise_level":-29.182360,"freq_skew":1.215301,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734643,"usec":438625},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.228769,"noise_level":-29.157394,"freq_skew":0.806525,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVM","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"TP0885","msg_num":"J12","msg_num_seq":"A","msg_text":"/LPPT.TI2/000LPPTAF59C"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734643,"usec":442375},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.984342,"noise_level":-28.863300,"freq_skew":0.468640,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1139,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734643,"usec":444135},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.412189,"noise_level":-28.767441,"freq_skew":0.509575,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":187855},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.764329,"noise_level":-28.649084,"freq_skew":2.126590,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":188496},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.543976,"noise_level":-28.602190,"freq_skew":0.715739,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21000363","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":195558},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575554,"noise_level":-28.258322,"freq_skew":-0.459719,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"6","ack":"L","flight":"TP0555","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":955494},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.848722,"noise_level":-28.058350,"freq_skew":0.436192,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-4.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":955777},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273331,"noise_level":-28.058350,"freq_skew":0.496891,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19811,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":78,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[186,184,52,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":955958},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920433,"noise_level":-28.058350,"freq_skew":2.119168,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":956038},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.654249,"noise_level":-29.083305,"freq_skew":-2.141358,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1555,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[70,241,55,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":956410},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.663958,"noise_level":-29.058624,"freq_skew":0.573454,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":957676},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.212044,"noise_level":-28.960594,"freq_skew":1.240498,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":957811},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.084305,"noise_level":-28.960594,"freq_skew":0.750907,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":882,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[98,20,83,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":960000},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.152958,"noise_level":-29.094095,"freq_skew":0.438171,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-4.400000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734644,"usec":962953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.799697,"noise_level":-28.946869,"freq_skew":0.426452,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734645,"usec":720810},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.105953,"noise_level":-28.826061,"freq_skew":0.354815,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"VY04LJ","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734645,"usec":721350},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.379498,"noise_level":-29.599403,"freq_skew":0.483996,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,68,9,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734645,"usec":722935},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.251153,"noise_level":-30.011295,"freq_skew":0.676649,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734645,"usec":723482},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.216251,"noise_level":-29.983837,"freq_skew":-0.083637,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734645,"usec":730249},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.896169,"noise_level":-29.687378,"freq_skew":1.211626,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.299999,"lon":-6.800000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734645,"usec":731376},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677192,"noise_level":-30.127314,"freq_skew":1.359757,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8443,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43398,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[29,128]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734645,"usec":731753},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.157103,"noise_level":-30.127314,"freq_skew":1.484510,"avlc":{"src":{"addr":"4CA6AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43338,"credit":3,"rseq":2,"variable_part_params":[{"name":"checksum","value":[0,46]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734646,"usec":474559},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.803499,"noise_level":-30.016533,"freq_skew":0.449215,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734646,"usec":475625},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472916,"noise_level":-29.934364,"freq_skew":0.588322,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":82,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[60,198,23,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734646,"usec":476063},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.792287,"noise_level":-30.396406,"freq_skew":0.654289,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734646,"usec":480670},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571404,"noise_level":-30.883755,"freq_skew":1.225015,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30553,"credit":5,"rseq":16,"variable_part_params":[{"name":"atn_checksum","value":[144,112,163,225]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30553,"sseq":15,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[161,4,20,70]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":15,"msg_ref":15,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734647,"usec":244344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228931,"noise_level":-30.526304,"freq_skew":0.508354,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734647,"usec":248694},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.841008,"noise_level":-30.267551,"freq_skew":1.226978,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734647,"usec":249419},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.505900,"noise_level":-30.211082,"freq_skew":1.406228,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734647,"usec":250922},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251709,"noise_level":-30.099236,"freq_skew":1.288435,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":800,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[143,24,92,29]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734647,"usec":251053},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.853024,"noise_level":-30.099236,"freq_skew":1.829810,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5566,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43210,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[63,15]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734648,"usec":9080},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.934307,"noise_level":-30.723799,"freq_skew":1.713549,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":728,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734648,"usec":10045},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.451143,"noise_level":-30.664293,"freq_skew":0.588872,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,75,169,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734648,"usec":764198},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.536887,"noise_level":-30.258804,"freq_skew":1.732730,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[222,86,205,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734648,"usec":768358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.956705,"noise_level":-29.871405,"freq_skew":1.769392,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734648,"usec":769668},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393227,"noise_level":-29.737131,"freq_skew":-2.020474,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":45,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1555,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[160,100,94,30]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1555,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[165,131,10,241]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734648,"usec":769668},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.393227,"noise_level":-29.737131,"freq_skew":-2.020474,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1555,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[70,241,55,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734648,"usec":771697},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.822322,"noise_level":-29.737131,"freq_skew":0.672557,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734649,"usec":531639},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.413961,"noise_level":-29.448837,"freq_skew":1.835678,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5567,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[182,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734649,"usec":532841},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.717551,"noise_level":-29.346333,"freq_skew":0.443116,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34915,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61097,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[146,163,96,2]},{"name":"checksum","value":[175,124]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25264386,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734650,"usec":289516},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.280939,"noise_level":-28.923698,"freq_skew":0.462218,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53484,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734650,"usec":292039},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.074854,"noise_level":-29.272572,"freq_skew":-1.935622,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":307,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734650,"usec":292359},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.882174,"noise_level":-29.272572,"freq_skew":-1.949542,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734650,"usec":294740},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630433,"noise_level":-29.255596,"freq_skew":1.599064,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":617,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734650,"usec":294910},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469160,"noise_level":-29.230421,"freq_skew":-1.896889,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1,33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":51993},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.153985,"noise_level":-28.958214,"freq_skew":-2.003468,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":46,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":52,"dst_ref":43409,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[213,169,247,92]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":52665},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.506841,"noise_level":-28.909624,"freq_skew":0.683497,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":54187},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.058151,"noise_level":-29.438755,"freq_skew":0.627833,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":57047},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.768403,"noise_level":-29.285624,"freq_skew":1.605492,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":728,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":58452},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.050578,"noise_level":-29.185013,"freq_skew":1.253834,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":801,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30553,"sseq":16,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[245,70,31,91]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":16,"msg_ref":15,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":809426},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.395712,"noise_level":-29.011705,"freq_skew":1.295101,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":802,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43371,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[84,26,54,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":809559},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424223,"noise_level":-29.011705,"freq_skew":-0.158061,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[24,201,7,18]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43376,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[172,141,118,147]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":811833},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.922343,"noise_level":-28.841789,"freq_skew":3.513617,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":20,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":812048},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381896,"noise_level":-28.817783,"freq_skew":0.743414,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-2.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":816749},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625343,"noise_level":-28.675133,"freq_skew":-1.982264,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734651,"usec":817687},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648624,"noise_level":-28.651581,"freq_skew":1.296450,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":803,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":72,"dst_ref":30553,"variable_part_params":[{"name":"atn_checksum","value":[238,160,71,27]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734652,"usec":577148},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724413,"noise_level":-28.419533,"freq_skew":0.491324,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34915,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61097,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[146,163,96,2]},{"name":"checksum","value":[175,124]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25264386,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734652,"usec":581254},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912843,"noise_level":-28.215858,"freq_skew":1.284891,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734652,"usec":582781},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.417587,"noise_level":-28.126846,"freq_skew":1.374083,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":804,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[143,118,57,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734653,"usec":340362},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.780489,"noise_level":-27.737209,"freq_skew":0.262989,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-4.600000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734653,"usec":343117},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718214,"noise_level":-27.673935,"freq_skew":0.566292,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734653,"usec":345921},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.359742,"noise_level":-28.150307,"freq_skew":1.077426,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2046,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[140,90]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":98000},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.376730,"noise_level":-28.061958,"freq_skew":0.363213,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"TP05AS","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":98253},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474214,"noise_level":-28.646084,"freq_skew":0.104792,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":100507},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690439,"noise_level":-28.460066,"freq_skew":0.354919,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250721","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":104523},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.610625,"noise_level":-28.300505,"freq_skew":0.560462,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22250721","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":104677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.270055,"noise_level":-28.613026,"freq_skew":0.375471,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":104921},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.051266,"noise_level":-28.613026,"freq_skew":1.150085,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.299999,"lon":-6.800000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":105080},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460163,"noise_level":-28.613026,"freq_skew":3.762402,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":857147},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.859813,"noise_level":-28.473671,"freq_skew":0.625992,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":858028},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.396307,"noise_level":-28.872944,"freq_skew":0.650463,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":859136},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.855627,"noise_level":-28.972876,"freq_skew":1.537958,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"PC1561","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":859459},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.885360,"noise_level":-29.099613,"freq_skew":1.152201,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":859562},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.982196,"noise_level":-29.785252,"freq_skew":0.522077,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34915,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61097,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[146,163,96,2]},{"name":"checksum","value":[175,124]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25264386,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":860927},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.044261,"noise_level":-29.678722,"freq_skew":1.470084,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22734147","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,184,103,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":861344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.916244,"noise_level":-30.274801,"freq_skew":0.325586,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":861824},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.189796,"noise_level":-30.246498,"freq_skew":-0.004070,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[24,201,7,18]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43376,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[172,141,118,147]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":861959},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.947395,"noise_level":-30.421234,"freq_skew":0.738381,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22734147","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":862064},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.187955,"noise_level":-30.421234,"freq_skew":-0.256778,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":744,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":79,"dst_ref":61097,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[77,172,142,65]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734654,"usec":862278},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831100,"noise_level":-30.421234,"freq_skew":-1.699790,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"_d","blk_id":"0","ack":"N","flight":"VY03RB","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734655,"usec":623482},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.666255,"noise_level":-30.363760,"freq_skew":1.193876,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2876,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734655,"usec":626045},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.676242,"noise_level":-30.109734,"freq_skew":0.045351,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734655,"usec":631070},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643000,"noise_level":-29.917173,"freq_skew":0.598273,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34930,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":79,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[196,89,76,244]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734655,"usec":631717},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517089,"noise_level":-29.928701,"freq_skew":0.698539,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB867","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734655,"usec":632911},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.544714,"noise_level":-29.820408,"freq_skew":1.395909,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734656,"usec":376709},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.054843,"noise_level":-29.766766,"freq_skew":2.077038,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKJ","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FRRUK6","msg_num":"M02","msg_num_seq":"A","msg_text":"203054,,2247, 182,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734656,"usec":378101},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.621529,"noise_level":-29.660461,"freq_skew":-0.514801,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":410,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[209,190,170,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734656,"usec":379956},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.507799,"noise_level":-29.529385,"freq_skew":0.077482,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734657,"usec":144144},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.493657,"noise_level":-29.172558,"freq_skew":1.324542,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734657,"usec":146480},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.028852,"noise_level":-28.999496,"freq_skew":0.599534,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734657,"usec":913273},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.996621,"noise_level":-28.317135,"freq_skew":-1.519164,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGHH"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734657,"usec":914699},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.603356,"noise_level":-28.204716,"freq_skew":0.565466,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34930,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":79,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[196,89,76,244]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734657,"usec":915216},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939922,"noise_level":-28.160152,"freq_skew":1.182730,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.000000,"lon":-4.200000},"alt":35000}},{"name":"alternate_ground_stations","value":["1191CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734657,"usec":917331},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.732294,"noise_level":-28.005960,"freq_skew":-2.136046,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734658,"usec":674112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487486,"noise_level":-27.705547,"freq_skew":-0.089170,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734658,"usec":675664},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.345046,"noise_level":-27.642506,"freq_skew":-0.377061,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734659,"usec":431044},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.947340,"noise_level":-27.415180,"freq_skew":-1.723703,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"_d","blk_id":"1","ack":"O","flight":"VY03RB","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734659,"usec":433003},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.231399,"noise_level":-27.273558,"freq_skew":0.643920,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"5Y","blk_id":"8","ack":"!","flight":"TP0944","msg_num":"M80","msg_num_seq":"A","msg_text":"GVA2213  63N 403918,W  64550,33990,  453125,MS45,307, 46,264,203054,13960"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734659,"usec":433663},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.732172,"noise_level":-27.619770,"freq_skew":1.142184,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"TP048M","msg_num":"M03","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734659,"usec":439111},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.899488,"noise_level":-27.878227,"freq_skew":0.613959,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-2.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":197668},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.857463,"noise_level":-27.856739,"freq_skew":1.073690,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22251230","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,65,80,0,73,82,152,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":197915},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.151681,"noise_level":-28.105127,"freq_skew":-0.548526,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":410,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[209,190,170,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":201679},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716543,"noise_level":-27.844084,"freq_skew":0.856002,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVM","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"TP0885","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":201927},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.115460,"noise_level":-27.844084,"freq_skew":0.831942,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251315","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,205,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":202093},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.903495,"noise_level":-27.839676,"freq_skew":0.494901,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19839,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":76,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[114,146,145,36]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":125.750000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":203638},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.176240,"noise_level":-27.733234,"freq_skew":0.653338,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":958140},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530378,"noise_level":-27.628080,"freq_skew":0.407927,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[24,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":959390},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.597263,"noise_level":-27.544865,"freq_skew":0.660988,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":883,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[183,224,133,21]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43362,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[250,90,121,164]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":30,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":960975},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.728441,"noise_level":-27.806662,"freq_skew":0.765374,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":960975},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.728441,"noise_level":-27.806662,"freq_skew":0.765374,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":961483},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294159,"noise_level":-27.785349,"freq_skew":0.668541,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":165,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":964244},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.386560,"noise_level":-27.637613,"freq_skew":0.846679,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":964532},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517950,"noise_level":-27.616711,"freq_skew":0.482280,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19840,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[122,147,192,29]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":965364},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.151605,"noise_level":-27.575058,"freq_skew":0.972789,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":439,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,84,65,80,0,73,82,205],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734660,"usec":966055},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":1,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.577156,"noise_level":-27.533606,"freq_skew":1.117808,"avlc":{"src":{"addr":"4CA9EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGHH"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["129F1A","1298AA","1192CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734661,"usec":717484},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.478405,"noise_level":-27.512951,"freq_skew":0.369334,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[33,98,167,70]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734661,"usec":719657},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.306572,"noise_level":-28.257969,"freq_skew":0.830558,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734661,"usec":719768},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.086109,"noise_level":-28.484800,"freq_skew":0.691632,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1539,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[154,35,174,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734661,"usec":721641},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.573908,"noise_level":-28.347469,"freq_skew":0.820758,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734661,"usec":722400},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.826582,"noise_level":-28.430784,"freq_skew":0.987733,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734661,"usec":723603},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.180760,"noise_level":-28.339556,"freq_skew":0.635746,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734662,"usec":477654},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.880876,"noise_level":-28.249273,"freq_skew":0.910981,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVM","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"TP0885","msg_num":"J12","msg_num_seq":"A","msg_text":"/LPPT.TI2/000LPPTAF59C"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734662,"usec":478884},"freq":136975000,"burst_len_octets":243,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409420,"noise_level":-28.182173,"freq_skew":0.773500,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":440,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":11,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,82,205]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,82,205]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734662,"usec":478884},"freq":136975000,"burst_len_octets":243,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.409420,"noise_level":-28.182173,"freq_skew":0.773500,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":441,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":3,"ack":1,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":12,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,82,205]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,82,205]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734662,"usec":479830},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.068278,"noise_level":-28.137724,"freq_skew":2.082601,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKJ","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FRRUK6","msg_num":"M02","msg_num_seq":"A","msg_text":"203054,,2247, 182,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734662,"usec":481376},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.396238,"noise_level":-28.847622,"freq_skew":-1.497400,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734662,"usec":486506},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.230404,"noise_level":-28.657291,"freq_skew":-2.037748,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"_d","blk_id":"1","ack":"O","flight":"VY03RB","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734663,"usec":241403},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.863884,"noise_level":-28.333921,"freq_skew":0.643982,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":442,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734663,"usec":241694},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142178,"noise_level":-28.311279,"freq_skew":-1.496066,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":679,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[81,97,223,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734663,"usec":243060},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881978,"noise_level":-28.198936,"freq_skew":-2.175059,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43370,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[99,88,52,153]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734663,"usec":999624},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.570609,"noise_level":-27.913467,"freq_skew":-0.045314,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734663,"usec":999723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.916390,"noise_level":-27.913467,"freq_skew":0.746650,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734664,"usec":5064},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905309,"noise_level":-27.512432,"freq_skew":1.099144,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"TP048M","msg_num":"M03","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734664,"usec":767930},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.756223,"noise_level":-27.990387,"freq_skew":1.069563,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22251230","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,65,80,0,73,82,152,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734664,"usec":768655},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.143874,"noise_level":-27.925247,"freq_skew":0.726547,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734664,"usec":770810},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.160694,"noise_level":-27.775133,"freq_skew":1.156924,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734665,"usec":527374},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413843,"noise_level":-27.627567,"freq_skew":0.367424,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":166,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[218,124]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734666,"usec":285326},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.320952,"noise_level":-27.159643,"freq_skew":-2.041262,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"_d","blk_id":"1","ack":"O","flight":"VY03RB","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734666,"usec":287921},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.241901,"noise_level":-27.022093,"freq_skew":0.931730,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVM","mode":"2","label":"_d","blk_id":"0","ack":"P","flight":"TP0885","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734666,"usec":288029},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655395,"noise_level":-27.022093,"freq_skew":1.380967,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734666,"usec":295067},"freq":136975000,"burst_len_octets":174,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538602,"noise_level":-26.715641,"freq_skew":-1.544932,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZBZ","mode":"2","label":"5U","blk_id":"0","ack":"!","flight":"LS068Z","msg_num":"M52","msg_num_seq":"A","msg_text":"  01 WXRQ   068Z/28 GCRR/EGHH .G-JZBZ\r\n/TYP 1/STA EGHH/STA EGBB/STA EGNX"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734666,"usec":295067},"freq":136975000,"burst_len_octets":174,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.538602,"noise_level":-26.715641,"freq_skew":-1.544932,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGHH"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":49020},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.704867,"noise_level":-26.584894,"freq_skew":0.431220,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":49339},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296976,"noise_level":-26.584894,"freq_skew":-1.720844,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":679,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[81,97,223,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":49896},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.562929,"noise_level":-26.547897,"freq_skew":0.934095,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":884,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43362,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[92,63,205,9]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":4}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":50600},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.878794,"noise_level":-26.529457,"freq_skew":0.783752,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.700000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":54508},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219439,"noise_level":-27.117859,"freq_skew":0.651952,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"TP0944","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":54508},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.219439,"noise_level":-27.117859,"freq_skew":0.651952,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251304","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,196,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":55865},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.347649,"noise_level":-27.965942,"freq_skew":-0.271702,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"VY33KE","msg_num":"M20","msg_num_seq":"A","msg_text":"/LEMG.TI2/040LEMGAC4AA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":813227},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.335740,"noise_level":-28.104206,"freq_skew":0.606715,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19850,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[207,96,242,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":813580},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.675865,"noise_level":-28.804768,"freq_skew":0.683242,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22251304","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":813903},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.182633,"noise_level":-28.823679,"freq_skew":-0.480202,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,84,65,80,0,73,81,77,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":487,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":820140},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575453,"noise_level":-28.517302,"freq_skew":0.595280,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19852,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":76,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[162,37,31,175]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":821207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.220756,"noise_level":-28.494177,"freq_skew":0.588700,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":821488},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.250028,"noise_level":-28.648670,"freq_skew":1.693151,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.500000,"lon":-3.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734667,"usec":822788},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.934875,"noise_level":-28.578426,"freq_skew":0.989023,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734668,"usec":574802},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.114599,"noise_level":-28.371038,"freq_skew":-1.654415,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZBZ","mode":"2","label":"_d","blk_id":"1","ack":"I","flight":"LS068Z","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734668,"usec":579919},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.770519,"noise_level":-28.102001,"freq_skew":1.431844,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":618,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734668,"usec":580775},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958107,"noise_level":-28.057961,"freq_skew":0.446822,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EC-JTR","mode":"2","label":"A9","blk_id":"B","ack":"2","msg_text":"/MADAAYA.TI2/LEMG ATIS ARR M 2030Z\r\nRWY IN USE FOR ARR 12 AND FOR DEP 13\r\nTRL FL145\r\nTWR FREQ 118.780 , TRAFFIC ARRIVING\r\nAFTER 2100 EXPECT RUNWAY 13\r\nWIND 120 DEG 7 KT .\r\nCAVOK.\r\nT25 DP23\r\nQNH 1012HPA\r\nNOSIG\r\nTAIL 20 KT"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734668,"usec":582398},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438803,"noise_level":-27.992315,"freq_skew":0.457604,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734669,"usec":334445},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.210826,"noise_level":-27.948828,"freq_skew":0.807500,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVM","mode":"2","label":"_d","blk_id":"0","ack":"P","flight":"TP0885","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734669,"usec":334587},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.417953,"noise_level":-28.253517,"freq_skew":2.085402,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKJ","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FRRUK6","msg_num":"M02","msg_num_seq":"A","msg_text":"203054,,2247, 182,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734669,"usec":335076},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.233008,"noise_level":-28.231083,"freq_skew":0.562914,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734669,"usec":335767},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.103089,"noise_level":-28.208704,"freq_skew":1.217659,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734669,"usec":336156},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285911,"noise_level":-28.186382,"freq_skew":0.948499,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":885,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[43,128,128,5]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734669,"usec":338038},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.174634,"noise_level":-30.093641,"freq_skew":-0.001634,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"3","ack":"B","flight":"VY33KE","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734669,"usec":341627},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.740606,"noise_level":-30.038290,"freq_skew":0.636103,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22251304","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734669,"usec":344860},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.449363,"noise_level":-29.874315,"freq_skew":0.770644,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734669,"usec":346951},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.160303,"noise_level":-29.820339,"freq_skew":0.467603,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":101551},"freq":136975000,"burst_len_octets":176,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912449,"noise_level":-29.686848,"freq_skew":0.523428,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"A9","blk_id":"C","ack":"!","msg_text":"/MADAAYA.TI2/LEMG ATIS ARR M 2030Z\r\nRWY IN USE FOR ARR 12 AND FOR DEP 13\r\nTRL FL145\r\nTWR FREQ 118.780 , TRAFFIC ARRIVING\r\nAFTER 2100 EXPECT RUNWAY 13\r\nWIND 120 DEG 7 KT .\r\nCAVOK.\r\nT25 DP23\r\nQNH 1012HPA\r\nNOSIG\r\nTAIL 20 KTS REPORTED ON FINAL APCH UP\r\nTO 2500 FT FOR RWY 12\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR M\r\nD37C\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":104027},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.398015,"noise_level":-29.529320,"freq_skew":0.868596,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":104117},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.079223,"noise_level":-29.529320,"freq_skew":0.628901,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":106964},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.047430,"noise_level":-29.374596,"freq_skew":-0.350564,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,84,65,80,0,73,81,77,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":487,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":107363},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547101,"noise_level":-29.349075,"freq_skew":0.517811,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53498,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":83,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[143,104,171,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":107828},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.302642,"noise_level":-29.323627,"freq_skew":-1.965104,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[116,39,0,62]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30755,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[31,250,36,6]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":109169},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.734725,"noise_level":-29.247732,"freq_skew":1.448837,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[223,203,167,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":109917},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.142013,"noise_level":-29.378113,"freq_skew":1.949816,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":817,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1614,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[181,238,157,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":863305},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477504,"noise_level":-29.561337,"freq_skew":1.152300,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":864157},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.867526,"noise_level":-29.892672,"freq_skew":0.843568,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVM","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"TP0885","msg_num":"J13","msg_num_seq":"A","msg_text":"/LPFR.TI2/000LPFRAAEF9"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":866775},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.777405,"noise_level":-29.731398,"freq_skew":0.861918,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,84,65,80,0,73,82,205,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":867658},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.312593,"noise_level":-29.678299,"freq_skew":0.684622,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734670,"usec":869721},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.170235,"noise_level":-30.115746,"freq_skew":0.820908,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,84,65,80,0,73,82,205,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":443,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[35,118,173,2]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734671,"usec":624644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.981564,"noise_level":-29.787983,"freq_skew":-1.878318,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734671,"usec":632498},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.148966,"noise_level":-29.394941,"freq_skew":-3.108694,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,84,65,80,0,73,81,202,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":65,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[118,82,182,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734672,"usec":381334},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.732021,"noise_level":-29.862776,"freq_skew":2.540616,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHS","mode":"2","label":"B6","blk_id":"0","ack":"!","flight":"U279YV","msg_num":"J03","msg_num_seq":"A","msg_text":"/LPAFAYA.DIS.G-UZHS00D69A","arinc622":{"msg_type":"adsc_disconnect_request","crc_ok":true,"gs_addr":"LPAFAYA","air_addr":".G-UZHS","adsc":{"tags":[{"reason":{"reason_code":0}}],"err":false}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734672,"usec":383810},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.422321,"noise_level":-30.318947,"freq_skew":-1.673245,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[153,152,72,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734672,"usec":384173},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748509,"noise_level":-30.318947,"freq_skew":-1.823589,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZBZ","mode":"2","label":"_d","blk_id":"1","ack":"I","flight":"LS068Z","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734672,"usec":385374},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.078397,"noise_level":-30.290499,"freq_skew":0.130739,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734672,"usec":385985},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.264529,"noise_level":-30.290499,"freq_skew":-0.294432,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"3","ack":"B","flight":"VY33KE","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":147376},"freq":136975000,"burst_len_octets":176,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938622,"noise_level":-30.979414,"freq_skew":0.467554,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"A9","blk_id":"C","ack":"!","msg_text":"S REPORTED ON FINAL APCH UP\r\nTO 2500 FT FOR RWY 12\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR M\r\nD37C\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":148385},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736254,"noise_level":-30.918140,"freq_skew":1.517188,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":612,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[146,222,56,19]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":150715},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.399751,"noise_level":-30.736866,"freq_skew":0.426123,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53503,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":151447},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938762,"noise_level":-30.888222,"freq_skew":0.776732,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":151447},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.938762,"noise_level":-30.888222,"freq_skew":0.776732,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVM","mode":"2","label":"_d","blk_id":"2","ack":"Q","flight":"TP0885","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":151995},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.619830,"noise_level":-30.857849,"freq_skew":-0.098948,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[151,198,18,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":151995},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.619830,"noise_level":-30.857849,"freq_skew":-0.098948,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"4","ack":"C","flight":"VY33KE","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":152654},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.161866,"noise_level":-30.857849,"freq_skew":3.319139,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2069,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":155247},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.191207,"noise_level":-30.677816,"freq_skew":0.099660,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":346,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[109,150,57,188]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43376,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[84,95,61,82]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":156150},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438120,"noise_level":-30.589182,"freq_skew":0.803399,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":307,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[115,110]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":906794},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.969528,"noise_level":-30.559835,"freq_skew":0.557114,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"VY04LJ","msg_num":"M04","msg_num_seq":"A","msg_text":"203106,33999,2100, 111,N 41.888 W  4.420, 784"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":907425},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661345,"noise_level":-30.530588,"freq_skew":0.609940,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34718,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[198,110,184,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":907537},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.185175,"noise_level":-30.530588,"freq_skew":0.717198,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":908854},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.901700,"noise_level":-30.414579,"freq_skew":-0.582117,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[62,95,18,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":910890},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.187454,"noise_level":-30.271709,"freq_skew":0.521250,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734673,"usec":913505},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687595,"noise_level":-30.131153,"freq_skew":-0.458411,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[237,105,113,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734674,"usec":671398},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.953747,"noise_level":-29.749283,"freq_skew":0.598696,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734674,"usec":672052},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.535279,"noise_level":-29.696075,"freq_skew":-2.350753,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":205,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[104,247,109,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734674,"usec":680859},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.565075,"noise_level":-29.281757,"freq_skew":0.661994,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-4.400000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734675,"usec":437593},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584238,"noise_level":-29.106525,"freq_skew":0.573931,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734675,"usec":438949},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396821,"noise_level":-29.032497,"freq_skew":-1.942237,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30755,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[12,41,212,192]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734675,"usec":439545},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.525681,"noise_level":-29.007959,"freq_skew":0.647545,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53503,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734675,"usec":440595},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203875,"noise_level":-28.959093,"freq_skew":1.962968,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKJ","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FRRUK6","msg_num":"M02","msg_num_seq":"A","msg_text":"203054,,2247, 182,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734675,"usec":442141},"freq":136975000,"burst_len_octets":162,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986843,"noise_level":-28.910500,"freq_skew":0.613654,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"VY04LJ","msg_num":"M04","msg_num_seq":"A","msg_text":"203106,33999,2100, 111,N 41.888 W  4.420, 784"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734675,"usec":442141},"freq":136975000,"burst_len_octets":162,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.986843,"noise_level":-28.910500,"freq_skew":0.613654,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,68,9,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":195536},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720276,"noise_level":-29.637428,"freq_skew":1.350358,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":641,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[73,36]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":197493},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.559988,"noise_level":-30.263111,"freq_skew":0.435482,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":197680},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.951818,"noise_level":-30.606762,"freq_skew":0.604797,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":465,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":198181},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.063485,"noise_level":-30.577356,"freq_skew":1.091238,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43283,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[79,190]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":198624},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176634,"noise_level":-30.548050,"freq_skew":0.006596,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":346,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[109,150,57,188]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43376,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[84,95,61,82]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":198843},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904135,"noise_level":-30.548050,"freq_skew":-0.127693,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[151,198,18,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":199419},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.454653,"noise_level":-31.542805,"freq_skew":-0.062127,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"4","ack":"C","flight":"VY33KE","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":199774},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921491,"noise_level":-31.542805,"freq_skew":-1.874852,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[153,152,72,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":203842},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.981255,"noise_level":-31.189232,"freq_skew":1.137966,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43283,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[84,21]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":960040},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.138846,"noise_level":-30.971500,"freq_skew":-1.720381,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZBZ","mode":"2","label":"_d","blk_id":"1","ack":"I","flight":"LS068Z","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":960345},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.682636,"noise_level":-30.940838,"freq_skew":0.517160,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"Z","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":962322},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408070,"noise_level":-30.849493,"freq_skew":1.154425,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1443,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":963845},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.039701,"noise_level":-30.729172,"freq_skew":1.885122,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3739,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734676,"usec":965978},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.180984,"noise_level":-30.551760,"freq_skew":1.195940,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFLL"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-5.800000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734677,"usec":716010},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.660326,"noise_level":-30.435469,"freq_skew":0.702970,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734677,"usec":718196},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.729380,"noise_level":-30.263899,"freq_skew":1.555485,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC97RH","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734677,"usec":718420},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.689449,"noise_level":-30.263899,"freq_skew":0.342033,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734677,"usec":718930},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.034708,"noise_level":-31.037195,"freq_skew":1.355876,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,7,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734677,"usec":723038},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.457151,"noise_level":-31.265556,"freq_skew":1.554917,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734677,"usec":724561},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.690316,"noise_level":-31.202238,"freq_skew":0.493346,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734677,"usec":725210},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382306,"noise_level":-31.202238,"freq_skew":-2.260325,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":205,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[104,247,109,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734678,"usec":483514},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509073,"noise_level":-30.953476,"freq_skew":0.685336,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53503,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734678,"usec":483994},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.541402,"noise_level":-30.922874,"freq_skew":1.139461,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734678,"usec":484147},"freq":136975000,"burst_len_octets":132,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502430,"noise_level":-30.922874,"freq_skew":1.774296,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"IB07HP","msg_num":"D78","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127083,1,1,TB000000/REP033,00,00,1/                                           "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734678,"usec":487118},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.138729,"noise_level":-31.202774,"freq_skew":1.541997,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":729,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[17,247,137,55]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43315,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[64,167,115,176]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":17}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"ERROR","choice":"dM62ErrorInformation","data":{"error_info":"insufficientResources"}}},{"msg_element":{"choice_label":"FREE TEXT","choice":"dM98FreeText","data":{"free_text":"UPLINK DELAYED IN NETWORK AND REJECTED. RESEND OR CONTACT BY VOICE\u0000"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734678,"usec":487444},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.225455,"noise_level":-31.202774,"freq_skew":3.010958,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2069,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734678,"usec":488560},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.177620,"noise_level":-31.108646,"freq_skew":1.196970,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734678,"usec":489539},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.226947,"noise_level":-31.077496,"freq_skew":-1.985887,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30755,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[12,41,212,192]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734678,"usec":490608},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539883,"noise_level":-30.984709,"freq_skew":2.179482,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-8.400001},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734678,"usec":491257},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.749615,"noise_level":-30.923397,"freq_skew":-1.309716,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":751,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734678,"usec":491845},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575631,"noise_level":-30.892902,"freq_skew":0.469993,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734679,"usec":236212},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.639952,"noise_level":-30.832233,"freq_skew":0.662330,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[131,215,188,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734679,"usec":236834},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232779,"noise_level":-30.802057,"freq_skew":-0.068977,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"5U","blk_id":"7","ack":"!","flight":"TP19UT","msg_num":"M07","msg_num_seq":"A","msg_text":"LEBB-FC"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734679,"usec":237953},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.034738,"noise_level":-30.712149,"freq_skew":-1.696264,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[153,152,72,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734679,"usec":239058},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.997246,"noise_level":-30.623165,"freq_skew":-2.971079,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"83","blk_id":"6","ack":"!","flight":"LO05JL","msg_num":"M64","msg_num_seq":"A","msg_text":"LPPT,EPWA,282031, 43.00,-  4.79,40001,260,  22.2, 19300"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734679,"usec":239879},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.410519,"noise_level":-30.593704,"freq_skew":2.291801,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"U292QR","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734679,"usec":240895},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868078,"noise_level":-30.535084,"freq_skew":2.135213,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20053061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,86,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734679,"usec":242803},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.045807,"noise_level":-30.419010,"freq_skew":-0.237902,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[151,198,18,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734679,"usec":243986},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.258449,"noise_level":-31.456118,"freq_skew":0.627520,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734679,"usec":244128},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.985522,"noise_level":-31.957436,"freq_skew":-0.213325,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"4","ack":"C","flight":"VY33KE","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734679,"usec":245262},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.359647,"noise_level":-31.888887,"freq_skew":0.554651,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":4685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.132633,"noise_level":-31.820877,"freq_skew":1.685618,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":4840},"freq":136975000,"burst_len_octets":182,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961714,"noise_level":-31.787069,"freq_skew":0.676658,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"RA","blk_id":"S","ack":"7","msg_text":"QUGTWTPXA~1\r\nTAF 28/17:29\r\nLEBB 281700Z 2818/2918 33007KT 9999\r\n  FEW015 SCT020 TX22/2915Z\r\n  TN18/2906Z PROB30\r\n  TEMPO 2822/2910 3000 RA BKN010\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":5053},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832012,"noise_level":-31.787069,"freq_skew":1.368732,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":5331},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251830,"noise_level":-31.787069,"freq_skew":0.549673,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":5827},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.599530,"noise_level":-31.838484,"freq_skew":-0.180432,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":12175},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.550260,"noise_level":-31.311712,"freq_skew":0.609200,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":764048},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.308795,"noise_level":-31.122128,"freq_skew":0.542241,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53507,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":15,"rseq":7,"variable_part_params":[{"name":"checksum","value":[247,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":765212},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912451,"noise_level":-31.070433,"freq_skew":-0.670201,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":768573},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.573036,"noise_level":-30.795212,"freq_skew":0.607802,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":16130,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":769982},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.202290,"noise_level":-30.705376,"freq_skew":-0.171702,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"_d","blk_id":"8","ack":"S","flight":"TP19UT","msg_num":"M08","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":770351},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517394,"noise_level":-30.675638,"freq_skew":2.932715,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":772452},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.733067,"noise_level":-30.528446,"freq_skew":0.578781,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":16138,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734680,"usec":772912},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724372,"noise_level":-30.499306,"freq_skew":1.921927,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2495,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[224,62]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734681,"usec":525491},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.965561,"noise_level":-30.326481,"freq_skew":1.867448,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["129F1A","119C1A","1191CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734681,"usec":526572},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.766807,"noise_level":-30.241341,"freq_skew":-2.154211,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":205,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[104,247,109,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734681,"usec":528713},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.185862,"noise_level":-30.157030,"freq_skew":0.685302,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734681,"usec":532784},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.123157,"noise_level":-29.908895,"freq_skew":0.687849,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734681,"usec":533146},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.774120,"noise_level":-30.350721,"freq_skew":0.573276,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734682,"usec":292085},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.502998,"noise_level":-30.827787,"freq_skew":0.348689,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734682,"usec":293565},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.732758,"noise_level":-30.707767,"freq_skew":-1.908363,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734682,"usec":298927},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.270856,"noise_level":-30.357342,"freq_skew":-2.082726,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30755,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[231,198,250,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":52931},"freq":136975000,"burst_len_octets":125,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.021142,"noise_level":-30.048088,"freq_skew":1.458442,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":730,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[132,151,132,39]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43315,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[101,129,207,178]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":21}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"ERROR","choice":"dM62ErrorInformation","data":{"error_info":"insufficientResources"}}},{"msg_element":{"choice_label":"FREE TEXT","choice":"dM98FreeText","data":{"free_text":"UPLINK DELAYED IN NETWORK AND REJECTED. RESEND OR CONTACT BY VOICE\u0000"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":53591},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.515368,"noise_level":-30.020514,"freq_skew":0.550494,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48AE00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":55768},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.761287,"noise_level":-29.924759,"freq_skew":-0.221178,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[151,198,18,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":55768},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.761287,"noise_level":-29.924759,"freq_skew":-0.221178,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"4","ack":"C","flight":"VY33KE","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":58643},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.549260,"noise_level":-30.502054,"freq_skew":1.643224,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":60041},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.982031,"noise_level":-30.415188,"freq_skew":1.215668,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":613,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":811012},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976567,"noise_level":-30.244011,"freq_skew":1.790930,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKJ","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FRRUK6","msg_num":"M02","msg_num_seq":"A","msg_text":"203054,,2247, 182,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":811476},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.274392,"noise_level":-30.215807,"freq_skew":0.556904,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":812826},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823484,"noise_level":-30.103901,"freq_skew":1.902619,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":289,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[92,247,6,139]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":812926},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537596,"noise_level":-30.103901,"freq_skew":-1.439498,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":751,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":813583},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.903489,"noise_level":-30.048483,"freq_skew":1.384273,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":813891},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.071581,"noise_level":-30.048483,"freq_skew":-2.704496,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":814629},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739457,"noise_level":-30.150581,"freq_skew":0.864988,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":618,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":22999,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[73,76]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":814836},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450357,"noise_level":-30.150581,"freq_skew":3.786921,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,73,66,83,0,52,86,134,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":21,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":50,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[184,61]},{"name":"atn_checksum","value":[200,59,107,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":815471},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273684,"noise_level":-30.122677,"freq_skew":0.495530,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":16138,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":816126},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.099844,"noise_level":-30.094864,"freq_skew":0.721009,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":816533},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.216344,"noise_level":-30.094864,"freq_skew":1.850806,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3739,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":819439},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581903,"noise_level":-30.440243,"freq_skew":1.289281,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":805,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,67,107,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734683,"usec":820751},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.164632,"noise_level":-30.411396,"freq_skew":1.391294,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734684,"usec":570561},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.157618,"noise_level":-30.240295,"freq_skew":0.612233,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734684,"usec":570689},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.864114,"noise_level":-30.240295,"freq_skew":0.953731,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":619,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":22999,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[81,114]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734684,"usec":570803},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497302,"noise_level":-30.240295,"freq_skew":1.940845,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.500000,"lon":-3.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734684,"usec":571346},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687872,"noise_level":-30.212105,"freq_skew":0.514884,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53511,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[235,7,250,19]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":127.325000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734684,"usec":580787},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.847051,"noise_level":-29.640278,"freq_skew":0.690486,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":148,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1539,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[129,29,194,250]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1539,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[52,174,136,186]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734685,"usec":342662},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.085823,"noise_level":-29.406284,"freq_skew":0.953885,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43283,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[102,67]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734685,"usec":345444},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.207301,"noise_level":-29.253721,"freq_skew":-1.620381,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGHH"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734685,"usec":345934},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656522,"noise_level":-29.253721,"freq_skew":0.572723,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53513,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":15,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[157,237,140,12]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734685,"usec":349526},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.531997,"noise_level":-29.314827,"freq_skew":0.649410,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":16275,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":99899},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.652034,"noise_level":-29.213882,"freq_skew":-2.294266,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":205,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[104,247,109,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":100732},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.972431,"noise_level":-29.904699,"freq_skew":1.056075,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":100841},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.117821,"noise_level":-29.904699,"freq_skew":2.152053,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":101008},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340345,"noise_level":-29.904699,"freq_skew":1.082187,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1445,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1600,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[147,138]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":102294},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621935,"noise_level":-29.823578,"freq_skew":-1.661494,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100147","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,128,103,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":102294},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.621935,"noise_level":-29.823578,"freq_skew":-1.661494,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZBZ","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LS068Z","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":104606},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.392419,"noise_level":-29.743204,"freq_skew":0.783140,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":106201},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.670427,"noise_level":-29.769081,"freq_skew":0.635641,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19880,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":62,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[197,1,179,118]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LPPC"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":107853},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336819,"noise_level":-30.391958,"freq_skew":1.409564,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":108062},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.933570,"noise_level":-30.391958,"freq_skew":0.454804,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":16138,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":109013},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.907680,"noise_level":-30.334679,"freq_skew":0.873924,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":15,"dst_ref":43283,"variable_part_params":[{"name":"checksum","value":[7,157]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":858672},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.664040,"noise_level":-30.249458,"freq_skew":0.075606,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[118,47,217,240]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[128,65,50,175]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":861825},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443538,"noise_level":-30.593632,"freq_skew":3.771999,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,73,66,83,0,52,86,134,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":21,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":50,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[184,61]},{"name":"atn_checksum","value":[200,59,107,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":863831},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.897942,"noise_level":-30.505846,"freq_skew":1.194666,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734686,"usec":864152},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.701787,"noise_level":-30.476780,"freq_skew":0.643180,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19881,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[148,172,82,79]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734687,"usec":627616},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.820377,"noise_level":-30.052080,"freq_skew":1.254234,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.299999,"lon":-6.900000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734687,"usec":629299},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.791049,"noise_level":-29.942249,"freq_skew":-1.695259,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734687,"usec":629408},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411736,"noise_level":-29.942249,"freq_skew":3.548095,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":22,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43412,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[241,60,111,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734687,"usec":629408},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.411736,"noise_level":-29.942249,"freq_skew":3.548095,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":23,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43412,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[85,78,69,98]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,3430022,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"IBS1513","long_tsap":{"rdp":[65,73,66,83,0],"short_tsap":{"ars":[52,86,134],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,73,66,83,0],"short_tsap":{"ars":[52,86,134],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"LEMD","destination_airport":"GCRR"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734687,"usec":631621},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.623866,"noise_level":-30.274467,"freq_skew":0.697675,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,80,84,0,1,80,67,76,88,76,80,80,67,48,49,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,1],"lifetime":47.000000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":53518,"segment_offset":0,"pdu_total_len":153},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":1617,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[26,248,127,34]},{"name":"checksum","value":[7,32]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734687,"usec":633069},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.512168,"noise_level":-30.439098,"freq_skew":0.689522,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,80,84,0,1,80,67,76,88,76,80,80,67,48,49,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,1],"lifetime":47.000000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":53518,"segment_offset":0,"pdu_total_len":153},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":1617,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[26,248,127,34]},{"name":"checksum","value":[7,32]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25430019,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734687,"usec":635253},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.828425,"noise_level":-30.295828,"freq_skew":1.012195,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[86,50]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734688,"usec":398429},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790742,"noise_level":-29.612926,"freq_skew":-1.795840,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734689,"usec":152395},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.758821,"noise_level":-29.102806,"freq_skew":0.898379,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1539,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[217,45,2,219]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734689,"usec":153984},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700017,"noise_level":-29.562901,"freq_skew":0.644100,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":150,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43393,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[66,251,16,223]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734689,"usec":907002},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686425,"noise_level":-29.305561,"freq_skew":2.977302,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2070,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[14,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734689,"usec":907912},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.367740,"noise_level":-29.254993,"freq_skew":0.886146,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734689,"usec":909199},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.394148,"noise_level":-29.179695,"freq_skew":0.619204,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[242,186,190,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734689,"usec":910909},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.407569,"noise_level":-29.129852,"freq_skew":0.565631,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19881,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[148,172,82,79]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734689,"usec":912657},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.520728,"noise_level":-29.055626,"freq_skew":0.624601,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":16138,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734689,"usec":913104},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.132207,"noise_level":-29.031025,"freq_skew":0.626412,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53521,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1539,"dst_ref":53,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[4,225,135,31]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734689,"usec":913104},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.132207,"noise_level":-29.031025,"freq_skew":0.626412,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19883,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[63,44,154,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734689,"usec":916930},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659131,"noise_level":-28.884853,"freq_skew":0.742319,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":53,"dst_ref":1539,"variable_part_params":[{"name":"atn_checksum","value":[249,243,249,230]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734690,"usec":665852},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.085790,"noise_level":-28.884853,"freq_skew":0.134192,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[118,47,217,240]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43277,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[128,65,50,175]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734690,"usec":668279},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677293,"noise_level":-29.454212,"freq_skew":0.534560,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19885,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[210,77,53,236]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734690,"usec":668706},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.515259,"noise_level":-29.428455,"freq_skew":0.386535,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[127,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734690,"usec":669226},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667914,"noise_level":-29.402775,"freq_skew":3.721723,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":22,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43412,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[241,60,111,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734690,"usec":671293},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.023952,"noise_level":-29.300808,"freq_skew":1.469832,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734690,"usec":673803},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267636,"noise_level":-29.200027,"freq_skew":3.644341,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":23,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43412,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[85,78,69,98]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,3430022,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"IBS1513","long_tsap":{"rdp":[65,73,66,83,0],"short_tsap":{"ars":[52,86,134],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,73,66,83,0],"short_tsap":{"ars":[52,86,134],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"LEMD","destination_airport":"GCRR"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734691,"usec":426118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.174747,"noise_level":-28.977451,"freq_skew":0.578782,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734691,"usec":426750},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.516395,"noise_level":-28.953068,"freq_skew":0.935625,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":620,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":22999,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[131,28]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734691,"usec":428535},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.906106,"noise_level":-28.832172,"freq_skew":1.970488,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["129F1A","119C1A","1191CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734691,"usec":431733},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490358,"noise_level":-28.665697,"freq_skew":1.003479,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":621,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43383,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[45,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":29}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":193207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518158,"noise_level":-28.479269,"freq_skew":1.961014,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":195411},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.910763,"noise_level":-28.364746,"freq_skew":-1.845681,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":451,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":197524},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.985382,"noise_level":-29.058359,"freq_skew":3.679349,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43412,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[101,219,106,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":197524},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.985382,"noise_level":-29.058359,"freq_skew":3.679349,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":50,"dst_ref":43412,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[166,6,209,1]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":200464},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.528599,"noise_level":-28.936001,"freq_skew":0.661910,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19892,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[219,86,188,92]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":202100},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.423774,"noise_level":-29.304964,"freq_skew":0.459531,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19881,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[148,172,82,79]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":203373},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.804911,"noise_level":-29.229231,"freq_skew":1.178442,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[82,53]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":953431},"freq":136975000,"burst_len_octets":289,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961485,"noise_level":-29.154152,"freq_skew":0.525810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,80,84,0,1,80,67,76,88,76,80,80,67,48,49,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,1],"lifetime":47.000000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":53518,"segment_offset":0,"pdu_total_len":153},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":1617,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[26,248,127,34]},{"name":"checksum","value":[7,32]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":953431},"freq":136975000,"burst_len_octets":289,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.961485,"noise_level":-29.154152,"freq_skew":0.525810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,80,84,0,1,80,67,76,88,76,80,80,67,48,49,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,1],"lifetime":47.000000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":53518,"segment_offset":0,"pdu_total_len":153},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":1617,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[26,248,127,34]},{"name":"checksum","value":[7,32]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25430019,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":953431},"freq":136975000,"burst_len_octets":289,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-3.961485,"noise_level":-29.154152,"freq_skew":0.525810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[242,186,190,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":953431},"freq":136975000,"burst_len_octets":289,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":3,"sig_level":-3.961485,"noise_level":-29.154152,"freq_skew":0.525810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53521,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1539,"dst_ref":53,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[4,225,135,31]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":953431},"freq":136975000,"burst_len_octets":289,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":4,"sig_level":-3.961485,"noise_level":-29.154152,"freq_skew":0.525810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19883,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[63,44,154,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":954564},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.456458,"noise_level":-29.104460,"freq_skew":0.813729,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":622,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":2,"dst_ref":22999,"variable_part_params":[{"name":"checksum","value":[208,108]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":955709},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.467213,"noise_level":-29.030447,"freq_skew":3.519617,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":956615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.519718,"noise_level":-28.981455,"freq_skew":3.592855,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":956937},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083919,"noise_level":-29.183796,"freq_skew":0.019859,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.700000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":957627},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.942915,"noise_level":-29.291115,"freq_skew":1.580377,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,74,85,0,68,1,250,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":698,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[37,87,182,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":959437},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.342902,"noise_level":-29.190445,"freq_skew":-2.242744,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"5U","blk_id":"4","ack":"!","flight":"TP0828","msg_num":"M16","msg_num_seq":"A","msg_text":"LEVD LEMD LFBO LFLL-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734692,"usec":960267},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.170043,"noise_level":-29.165459,"freq_skew":-2.480273,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":206,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734693,"usec":720686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.220937,"noise_level":-29.041592,"freq_skew":0.134229,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734693,"usec":720913},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454925,"noise_level":-29.017029,"freq_skew":0.611413,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":53,"dst_ref":1539,"variable_part_params":[{"name":"atn_checksum","value":[249,243,249,230]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734693,"usec":721153},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.208084,"noise_level":-28.992537,"freq_skew":1.209972,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1600,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[224,207]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734693,"usec":722182},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.124364,"noise_level":-28.943752,"freq_skew":3.520923,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":51,"dst_ref":43413,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[150,150,39,13]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734693,"usec":724912},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575193,"noise_level":-28.775148,"freq_skew":0.606234,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19885,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[210,77,53,236]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734693,"usec":727191},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.422414,"noise_level":-28.656689,"freq_skew":-2.122365,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"_d","blk_id":"5","ack":"T","flight":"TP0828","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734693,"usec":729582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.117354,"noise_level":-28.563070,"freq_skew":0.585112,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734693,"usec":730097},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.987188,"noise_level":-28.539820,"freq_skew":3.525393,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43413,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[48,0,31,46]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":32}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734694,"usec":476768},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.918535,"noise_level":-28.858810,"freq_skew":2.068396,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":236,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734694,"usec":480716},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.265214,"noise_level":-28.668234,"freq_skew":1.678031,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":818,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[71,40,135,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734694,"usec":481482},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.008949,"noise_level":-29.476135,"freq_skew":0.696993,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[246,119,183,232]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734694,"usec":481482},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.008949,"noise_level":-29.476135,"freq_skew":0.696993,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":153,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734694,"usec":482478},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.297930,"noise_level":-29.424570,"freq_skew":0.681428,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19898,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":5,"variable_part_params":[{"name":"checksum","value":[35,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734695,"usec":240679},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.415361,"noise_level":-29.347792,"freq_skew":1.075648,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734695,"usec":243845},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292481,"noise_level":-29.146307,"freq_skew":-1.972566,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"TP0828","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734695,"usec":246296},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661895,"noise_level":-29.022713,"freq_skew":1.847796,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":801,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[103,9,252,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734695,"usec":247552},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475187,"noise_level":-28.973761,"freq_skew":3.538365,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734695,"usec":247934},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.190139,"noise_level":-28.973761,"freq_skew":1.839400,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":39.500000,"lon":-3.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734695,"usec":250677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.175206,"noise_level":-28.804577,"freq_skew":0.446664,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734695,"usec":252003},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.062964,"noise_level":-28.780674,"freq_skew":1.289827,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.299999,"lon":-6.900000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":7191},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234197,"noise_level":-28.780674,"freq_skew":3.505047,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43413,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[135,14,106,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":8331},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.502960,"noise_level":-28.853226,"freq_skew":0.646257,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19892,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[219,86,188,92]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":10099},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.799105,"noise_level":-28.757477,"freq_skew":0.702807,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6547,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[78,129]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":14192},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.811172,"noise_level":-28.615801,"freq_skew":0.534050,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,80,84,0,1,80,67,76,88,76,80,80,67,48,49,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,1],"lifetime":47.000000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":53518,"segment_offset":0,"pdu_total_len":153},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":1617,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[26,248,127,34]},{"name":"checksum","value":[7,32]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":14515},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.639586,"noise_level":-29.232273,"freq_skew":0.638452,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,80,84,0,1,80,67,76,88,76,80,80,67,48,49,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,1],"lifetime":47.000000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":53518,"segment_offset":0,"pdu_total_len":153},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":1617,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[26,248,127,34]},{"name":"checksum","value":[7,32]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25430019,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":15229},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.610322,"noise_level":-29.207169,"freq_skew":0.528018,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":83,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[145,147,73,192]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43353,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[17,62,190,114]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":15417},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.880128,"noise_level":-29.182133,"freq_skew":0.419493,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19904,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[80,45,205,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":15417},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.880128,"noise_level":-29.182133,"freq_skew":0.419493,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8278,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[212,225,12,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":15564},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.473739,"noise_level":-29.182133,"freq_skew":1.780149,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"BA07JD","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":761986},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385756,"noise_level":-28.935677,"freq_skew":0.009998,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"TP19UT","msg_num":"C14","msg_num_seq":"A","sublabel":"CF","msg_text":"APM_REPORT_B_20250728203124S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:31:25\nA/C CS-TPS\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 525\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:31:24 T 2025JUL28 20:31:24\n----"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":762675},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491189,"noise_level":-28.911411,"freq_skew":0.519364,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19905,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[165,249,0,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":763816},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.931330,"noise_level":-29.370518,"freq_skew":0.263793,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":764353},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.551998,"noise_level":-29.544468,"freq_skew":0.739031,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":84,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[125,252,2,9]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734696,"usec":766199},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809404,"noise_level":-30.824118,"freq_skew":0.605311,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,80,84,0,1,80,67,76,88,76,80,80,67,48,49,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,1],"lifetime":47.000000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":53518,"segment_offset":0,"pdu_total_len":153},"reasm_status":"skipped","options":[{"name":"lref","value":[66]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":1617,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[26,248,127,34]},{"name":"checksum","value":[7,32]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734697,"usec":528617},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.066721,"noise_level":-30.712414,"freq_skew":0.634995,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734697,"usec":529678},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.041341,"noise_level":-30.623426,"freq_skew":-0.013765,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":63,"dst_ref":1617,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[57,117,28,231]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734697,"usec":530081},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.761600,"noise_level":-30.818077,"freq_skew":0.592130,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734697,"usec":530183},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.192361,"noise_level":-30.818077,"freq_skew":0.639235,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19898,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":5,"variable_part_params":[{"name":"checksum","value":[35,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734697,"usec":533243},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.116581,"noise_level":-30.638859,"freq_skew":1.802804,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXM","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"BA07JD","msg_num":"S72","msg_num_seq":"A","msg_text":"0EV203135V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":31,"sec":35}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734697,"usec":535436},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718178,"noise_level":-30.521402,"freq_skew":-0.304829,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":488,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734697,"usec":536680},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547482,"noise_level":-30.434341,"freq_skew":0.504122,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"out of sequence","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[53,239,245,89]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734697,"usec":537560},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.591696,"noise_level":-30.376780,"freq_skew":0.716026,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734698,"usec":289499},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.709597,"noise_level":-30.178272,"freq_skew":0.601436,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734698,"usec":290357},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.565618,"noise_level":-30.122379,"freq_skew":0.795775,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[246,119,183,232]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734698,"usec":291367},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.151873,"noise_level":-30.066845,"freq_skew":-1.667177,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734698,"usec":292020},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692952,"noise_level":-30.039211,"freq_skew":-2.304461,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734698,"usec":294221},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.971110,"noise_level":-29.902340,"freq_skew":0.903689,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":153,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734698,"usec":295153},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.878387,"noise_level":-29.875221,"freq_skew":0.531361,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734698,"usec":296934},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.353621,"noise_level":-29.847443,"freq_skew":2.139655,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":48101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.057783,"noise_level":-29.758499,"freq_skew":0.079918,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":48290},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.302332,"noise_level":-29.758499,"freq_skew":0.572391,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":48504},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.924070,"noise_level":-29.731827,"freq_skew":0.647366,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":16663,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":51136},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.743742,"noise_level":-29.573486,"freq_skew":0.660358,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19907,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[224,129,23,112]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LECM,/ATC UNIT MADRID,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":51547},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.979129,"noise_level":-29.547375,"freq_skew":3.643007,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43413,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[135,14,106,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":53320},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.105427,"noise_level":-30.269842,"freq_skew":0.901261,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":54180},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.883385,"noise_level":-30.213358,"freq_skew":1.928745,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":54504},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.833579,"noise_level":-30.213358,"freq_skew":0.550274,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":16663,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":55277},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.560853,"noise_level":-30.710623,"freq_skew":1.672870,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"_d","blk_id":"6","ack":"L","flight":"IB07HP","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":59958},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.433787,"noise_level":-31.078873,"freq_skew":0.509103,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8278,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[212,225,12,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":812337},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.516689,"noise_level":-30.683701,"freq_skew":0.519739,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19905,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[165,249,0,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":813621},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228860,"noise_level":-30.565641,"freq_skew":0.597369,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":817881},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668709,"noise_level":-30.391504,"freq_skew":1.229425,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":561,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":819363},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.258522,"noise_level":-30.334227,"freq_skew":-2.058391,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734699,"usec":819902},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.467506,"noise_level":-30.305729,"freq_skew":3.619725,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734700,"usec":575973},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.328773,"noise_level":-30.164625,"freq_skew":0.475954,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6547,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[78,129]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734700,"usec":579103},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.748919,"noise_level":-29.998274,"freq_skew":2.973121,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2070,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[14,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734700,"usec":579980},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.003335,"noise_level":-30.208853,"freq_skew":0.845385,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734700,"usec":581536},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.206550,"noise_level":-30.510811,"freq_skew":0.531287,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734700,"usec":581765},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.079767,"noise_level":-30.481730,"freq_skew":3.526648,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43413,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[220,218,156,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734700,"usec":582167},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.681651,"noise_level":-30.452745,"freq_skew":0.520736,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734700,"usec":584860},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.407011,"noise_level":-30.280836,"freq_skew":0.594167,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19909,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[128,191,175,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734700,"usec":584972},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.284726,"noise_level":-30.280836,"freq_skew":0.582379,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[76,68,233,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734700,"usec":585224},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.233761,"noise_level":-30.891420,"freq_skew":0.609554,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734701,"usec":334951},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418450,"noise_level":-30.891420,"freq_skew":-2.174145,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":747,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30805,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[106,43,209,32]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734701,"usec":334951},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.418450,"noise_level":-30.891420,"freq_skew":-2.174145,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":748,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30805,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[71,53,229,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734701,"usec":335441},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.744459,"noise_level":-31.282711,"freq_skew":2.975702,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2071,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[196,95]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734701,"usec":336832},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.702918,"noise_level":-31.156282,"freq_skew":0.090338,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.700000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734701,"usec":338644},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.324056,"noise_level":-31.031668,"freq_skew":0.579398,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734701,"usec":341113},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.930361,"noise_level":-30.908815,"freq_skew":1.848618,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["129F1A","119C1A","1191CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734701,"usec":344257},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.620553,"noise_level":-30.727734,"freq_skew":0.569484,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":16754,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734701,"usec":345134},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.325220,"noise_level":-30.697918,"freq_skew":0.677990,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734701,"usec":345544},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.173022,"noise_level":-30.668203,"freq_skew":-0.078404,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-8.600000},"alt":36000}},{"name":"alternate_ground_stations","value":["11928A","129F1A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734701,"usec":346235},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.324260,"noise_level":-30.638590,"freq_skew":1.943353,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734702,"usec":105166},"freq":136975000,"burst_len_octets":152,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.318728,"noise_level":-30.405252,"freq_skew":0.120386,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"TP19UT","msg_num":"C14","msg_num_seq":"B","sublabel":"CF","msg_text":"APM_REPORT_B_20250728203124S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:31:25\nA/C CS-TPS\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 525\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:31:24 T 2025JUL28 20:31:24\n-----\n0, 278.042, 2354.4, 84.2666, 2390.22, 84.2652, 85608, 0.753632, 1, 1, 31081.9,\n9309, -10.9677, 76299,\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734702,"usec":106258},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.119772,"noise_level":-30.347883,"freq_skew":1.984054,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXM","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"BA07JD","msg_num":"S72","msg_num_seq":"A","msg_text":"0EV203135V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":31,"sec":35}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734702,"usec":110585},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.198699,"noise_level":-30.178017,"freq_skew":-2.112940,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734702,"usec":111583},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.125975,"noise_level":-30.122128,"freq_skew":1.963437,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"20077416","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,64,127,14,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734702,"usec":857394},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.087933,"noise_level":-29.969440,"freq_skew":0.448533,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734702,"usec":857609},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.888047,"noise_level":-29.969440,"freq_skew":0.642608,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"_d","blk_id":"X","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734702,"usec":858842},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713211,"noise_level":-30.335716,"freq_skew":1.846150,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKJ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FRRUK6","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734703,"usec":625123},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.333630,"noise_level":-29.990751,"freq_skew":2.135947,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734703,"usec":625592},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.813986,"noise_level":-30.407650,"freq_skew":3.096163,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734703,"usec":629618},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.556621,"noise_level":-30.293259,"freq_skew":2.134822,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734703,"usec":632225},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350733,"noise_level":-30.152357,"freq_skew":0.135328,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"TP19UT","msg_num":"C15","msg_num_seq":"A","sublabel":"CF","msg_text":"APM_REPORT_B_20250728203124S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:31:25\nA/C CS-TPS\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 525\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:31:24 T 2025JUL28 20:31:24\n----"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734704,"usec":382602},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.725115,"noise_level":-30.124451,"freq_skew":3.054333,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENM","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR130V","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734704,"usec":383154},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905682,"noise_level":-30.096630,"freq_skew":-0.837526,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,253,220,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734704,"usec":384551},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.529467,"noise_level":-29.986238,"freq_skew":0.606281,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":16754,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734704,"usec":386399},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.861084,"noise_level":-29.904354,"freq_skew":1.450212,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.299999,"lon":-6.900000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734704,"usec":388336},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.530463,"noise_level":-29.823236,"freq_skew":0.689141,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19909,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[128,191,175,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734704,"usec":391798},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.870294,"noise_level":-29.663237,"freq_skew":1.284347,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":614,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[86,227,155,61]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734704,"usec":392837},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.048236,"noise_level":-29.610554,"freq_skew":1.489216,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"PC1561","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734704,"usec":392837},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.048236,"noise_level":-29.610554,"freq_skew":1.489216,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22734147","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,184,103,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":142129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256946,"noise_level":-29.558184,"freq_skew":0.504740,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":142392},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296428,"noise_level":-29.532118,"freq_skew":3.029062,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124330","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,216,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":143920},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.469673,"noise_level":-29.454388,"freq_skew":0.707115,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":147928},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.936957,"noise_level":-29.337320,"freq_skew":1.259751,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":148961},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.229439,"noise_level":-29.311907,"freq_skew":0.686532,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":908962},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724975,"noise_level":-29.012623,"freq_skew":0.552714,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":909495},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565845,"noise_level":-28.988142,"freq_skew":1.400215,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":562,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[178,171,187,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":910181},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.339062,"noise_level":-28.939384,"freq_skew":1.344581,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":910351},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203649,"noise_level":-28.939384,"freq_skew":2.988220,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2070,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[14,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":911420},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557057,"noise_level":-28.866760,"freq_skew":0.992394,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":624,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43383,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[108,65]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":914242},"freq":136975000,"burst_len_octets":181,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.133207,"noise_level":-28.723309,"freq_skew":1.771953,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":39.299999,"lon":-4.500000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":914242},"freq":136975000,"burst_len_octets":181,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.133207,"noise_level":-28.723309,"freq_skew":1.771953,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"U268FY","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":914242},"freq":136975000,"burst_len_octets":181,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.133207,"noise_level":-28.723309,"freq_skew":1.771953,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20065621","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,107,145,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734705,"usec":916390},"freq":136975000,"burst_len_octets":152,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.286494,"noise_level":-28.605547,"freq_skew":0.037564,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP19UT","msg_num":"C15","msg_num_seq":"B","sublabel":"CF","msg_text":"APM_REPORT_B_20250728203124S.CSV\nACMF SNAPSHOT REPORT 2025JUL28 20:31:25\nA/C CS-TPS\nSWVER 27.1 APPVER S.7.3    APPNAME OEM.ACM\nSIZE 525\n190LDI27.4V27.1PM-V17.2\nR 2025JUL28 20:31:24 T 2025JUL28 20:31:24\n-----\n0, 278.042, 2354.4, 84.2666, 2390.22, 84.2652, 85608, 0.753632, 1, 1, 31081.9,\n9309, -10.9677, 76299,\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734706,"usec":663823},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.550012,"noise_level":-28.512476,"freq_skew":3.118001,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734706,"usec":666613},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.441322,"noise_level":-28.351957,"freq_skew":0.545711,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734706,"usec":668058},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.339480,"noise_level":-28.601688,"freq_skew":0.716558,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19915,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[71,81,222,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734706,"usec":669843},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256191,"noise_level":-28.555048,"freq_skew":1.369309,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734706,"usec":671782},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.895611,"noise_level":-28.626879,"freq_skew":0.615193,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,82,202,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":34763,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30821,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[128,17,111,20]},{"name":"checksum","value":[8,189]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","unknown_proto":{"data":[0]}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734706,"usec":672086},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804130,"noise_level":-28.626879,"freq_skew":0.970777,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":625,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43383,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[104,68]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734706,"usec":672188},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142106,"noise_level":-28.603458,"freq_skew":-0.643859,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":413,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[174,205,192,43]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734706,"usec":672675},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737393,"noise_level":-28.603458,"freq_skew":2.931678,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2071,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[196,95]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734707,"usec":430521},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676359,"noise_level":-28.533577,"freq_skew":0.503027,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,83,84,1],"dst_nsap":[71,0,39,65,84,65,80,0,73,82,202,0,0,83,65,65,66,0,0,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":34763,"segment_offset":0,"pdu_total_len":151},"reasm_status":"skipped","options":[{"name":"lref","value":[67]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30821,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[128,17,111,20]},{"name":"checksum","value":[8,189]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734707,"usec":430659},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.323193,"noise_level":-28.533577,"freq_skew":2.084244,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734707,"usec":433455},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.814141,"noise_level":-28.782124,"freq_skew":0.601961,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":85,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":54,"dst_ref":30821,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[184,116,55,123]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734707,"usec":438807},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.194836,"noise_level":-29.195885,"freq_skew":0.494365,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734707,"usec":439256},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538397,"noise_level":-29.170879,"freq_skew":0.673231,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34765,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[145,205,239,143]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734708,"usec":202514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557596,"noise_level":-28.732727,"freq_skew":-0.022234,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734708,"usec":206400},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.787314,"noise_level":-28.568130,"freq_skew":-0.161773,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"VY33KE","msg_num":"M21","msg_num_seq":"A","msg_text":"203142,35004,2124, 128,N 40.952 W  4.361, 754"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734708,"usec":207455},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.213901,"noise_level":-28.544867,"freq_skew":-0.263596,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":347,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734708,"usec":956458},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667140,"noise_level":-28.267208,"freq_skew":0.826507,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":308,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734708,"usec":957598},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.733150,"noise_level":-28.222322,"freq_skew":-0.095508,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.700000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734708,"usec":958684},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.269448,"noise_level":-28.177670,"freq_skew":0.560600,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734709,"usec":717560},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.336401,"noise_level":-28.045071,"freq_skew":1.759819,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"U268FY","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734709,"usec":717560},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.336401,"noise_level":-28.045071,"freq_skew":1.759819,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20065621","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,107,145,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734709,"usec":719462},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569711,"noise_level":-28.454363,"freq_skew":0.439567,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20065621","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734709,"usec":722771},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.492503,"noise_level":-28.294907,"freq_skew":0.597083,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734709,"usec":725765},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730607,"noise_level":-28.182774,"freq_skew":3.097620,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2070,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[14,191]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734710,"usec":479365},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.458039,"noise_level":-27.876293,"freq_skew":1.643409,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734710,"usec":480249},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.663208,"noise_level":-27.833382,"freq_skew":3.141468,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2071,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[196,95]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734710,"usec":481185},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574526,"noise_level":-28.163567,"freq_skew":1.151716,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2047,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[153,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734710,"usec":482925},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.797205,"noise_level":-28.075087,"freq_skew":-0.050866,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734710,"usec":485661},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.076048,"noise_level":-28.851269,"freq_skew":0.812762,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":85,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":54,"dst_ref":30821,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[184,116,55,123]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734710,"usec":485999},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.940784,"noise_level":-29.801386,"freq_skew":0.682729,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34765,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[145,205,239,143]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734711,"usec":246268},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.880359,"noise_level":-29.589230,"freq_skew":0.842074,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2048,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1585,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[135,17]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734711,"usec":246921},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.410865,"noise_level":-29.536991,"freq_skew":0.695934,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"Z","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734711,"usec":253364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.074514,"noise_level":-29.255161,"freq_skew":0.549183,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734711,"usec":254578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378323,"noise_level":-29.204885,"freq_skew":0.481552,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734711,"usec":999291},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917677,"noise_level":-29.080460,"freq_skew":-2.080268,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DEP","mode":"2","label":"36","blk_id":"0","ack":"!","flight":"EI058K","msg_num":"M50","msg_num_seq":"A","msg_text":" \r\n28JUL25,203148,EI-DEP\r\nN 44.899,W  4.107,36016\r\n------,  412750"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734712,"usec":589},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167186,"noise_level":-29.006653,"freq_skew":1.898902,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43332,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[85,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734712,"usec":9108},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.042133,"noise_level":-28.576504,"freq_skew":1.965778,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3394,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43332,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[52,16]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734712,"usec":772967},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.272349,"noise_level":-28.166649,"freq_skew":0.928152,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734713,"usec":526923},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.175265,"noise_level":-27.839281,"freq_skew":0.172137,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-8.600000},"alt":36000}},{"name":"alternate_ground_stations","value":["11928A","129F1A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734713,"usec":527681},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.260584,"noise_level":-27.817890,"freq_skew":0.644547,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"Z","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734713,"usec":528923},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.246868,"noise_level":-28.253681,"freq_skew":-1.971107,"avlc":{"src":{"addr":"4CA2C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734713,"usec":530022},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209861,"noise_level":-28.208866,"freq_skew":-1.320399,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[180,205,223,213]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734713,"usec":534669},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505787,"noise_level":-28.010017,"freq_skew":1.951730,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":41.799999,"lon":-8.400001},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734713,"usec":535126},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.120914,"noise_level":-27.988201,"freq_skew":2.252882,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734714,"usec":288450},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.578346,"noise_level":-27.837002,"freq_skew":0.466712,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734714,"usec":292179},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.585317,"noise_level":-27.667370,"freq_skew":1.709915,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734714,"usec":293913},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441564,"noise_level":-27.754278,"freq_skew":2.189960,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"U292QR","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734714,"usec":293913},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.441564,"noise_level":-27.754278,"freq_skew":2.189960,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20053061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,86,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734714,"usec":295191},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357393,"noise_level":-27.690884,"freq_skew":-2.136983,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43370,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[44,53,64,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734715,"usec":46612},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.971654,"noise_level":-27.565460,"freq_skew":2.913499,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENM","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR130V","msg_num":"M64","msg_num_seq":"A","msg_text":"203153,,2125, 168,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734715,"usec":48166},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.560302,"noise_level":-27.482838,"freq_skew":1.573835,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8215,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734715,"usec":49096},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.530644,"noise_level":-28.203926,"freq_skew":-0.353224,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":196,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734715,"usec":53029},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.953747,"noise_level":-29.093575,"freq_skew":0.914322,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734715,"usec":814247},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.144998,"noise_level":-28.753872,"freq_skew":0.468559,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734716,"usec":573009},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.418580,"noise_level":-28.245525,"freq_skew":0.842935,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":70,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[204,78,128,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734716,"usec":583885},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.224533,"noise_level":-27.829227,"freq_skew":0.525355,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734717,"usec":334025},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687963,"noise_level":-27.701807,"freq_skew":-0.852211,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"2Z","blk_id":"2","ack":"!","flight":"AF1358","msg_num":"M29","msg_num_seq":"A","msg_text":"GMME"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734717,"usec":336365},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327586,"noise_level":-27.597031,"freq_skew":2.263047,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"U292QR","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734717,"usec":341087},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454789,"noise_level":-27.472946,"freq_skew":2.009316,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20053061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,86,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734717,"usec":344389},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522168,"noise_level":-27.330387,"freq_skew":0.477233,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20053061","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734718,"usec":100298},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.877152,"noise_level":-27.190128,"freq_skew":0.847027,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[220,208,62,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734718,"usec":100632},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.699670,"noise_level":-27.643976,"freq_skew":0.593190,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"_d","blk_id":"X","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734718,"usec":101907},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.708220,"noise_level":-27.581377,"freq_skew":1.662882,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":699,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[7,92,146,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734718,"usec":103478},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.946759,"noise_level":-28.112377,"freq_skew":-2.764589,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":66,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[143,2,26,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734718,"usec":853725},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.207821,"noise_level":-27.808327,"freq_skew":2.087020,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734718,"usec":860876},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.678131,"noise_level":-27.452885,"freq_skew":0.429356,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":17213,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734718,"usec":863974},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696556,"noise_level":-27.375154,"freq_skew":-0.264717,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":489,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734719,"usec":622104},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.453475,"noise_level":-27.234177,"freq_skew":0.423700,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19946,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[187,47,132,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734719,"usec":625243},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.819620,"noise_level":-27.391735,"freq_skew":0.135963,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.700000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734719,"usec":626336},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456328,"noise_level":-28.417286,"freq_skew":2.912672,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734719,"usec":628335},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.898346,"noise_level":-28.371624,"freq_skew":-0.250711,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734720,"usec":388174},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696152,"noise_level":-28.124676,"freq_skew":2.982884,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2071,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[196,95]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734720,"usec":394396},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.997796,"noise_level":-27.713997,"freq_skew":3.044482,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENM","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"FR130V","msg_num":"M65","msg_num_seq":"A","msg_text":"/LPPR.TI2/024LPPRA3978"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734720,"usec":394882},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.828434,"noise_level":-27.692911,"freq_skew":1.895670,"avlc":{"src":{"addr":"4CAFC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1853,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734721,"usec":145700},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.242318,"noise_level":-27.629957,"freq_skew":2.078655,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43332,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[79,228]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":31,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734721,"usec":148700},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.534680,"noise_level":-27.423351,"freq_skew":0.612356,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":17286,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734721,"usec":158605},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575813,"noise_level":-27.142117,"freq_skew":0.260903,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7362,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734721,"usec":914827},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.080437,"noise_level":-27.257402,"freq_skew":0.578171,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734722,"usec":667383},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.426822,"noise_level":-27.623585,"freq_skew":1.572335,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":856,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[247,73,14,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734722,"usec":667662},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.572996,"noise_level":-27.602715,"freq_skew":0.639986,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53548,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[245,24,176,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734722,"usec":668645},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.960437,"noise_level":-27.540413,"freq_skew":2.028494,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3396,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43332,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[81,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734722,"usec":668852},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.927532,"noise_level":-27.519743,"freq_skew":-0.193572,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":489,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734722,"usec":670252},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.257514,"noise_level":-27.417128,"freq_skew":0.848519,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EFJ","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"FR84EP","msg_num":"M14","msg_num_seq":"A","msg_text":"203200,,2103, 112,MMMM.MMM MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734722,"usec":676663},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.849175,"noise_level":-27.356136,"freq_skew":-0.881460,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734722,"usec":677033},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.710932,"noise_level":-27.356136,"freq_skew":0.452583,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19946,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[187,47,132,242]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734722,"usec":678774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577371,"noise_level":-27.315712,"freq_skew":3.030565,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734722,"usec":680046},"freq":136975000,"burst_len_octets":73,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.133482,"noise_level":-27.275475,"freq_skew":-0.974946,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"26","blk_id":"3","ack":"!","flight":"AF1358","msg_num":"M30","msg_num_seq":"A","msg_text":"2031LFPGAF1358/28\r2037GMME   "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734723,"usec":434805},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285698,"noise_level":-27.195553,"freq_skew":-0.115980,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":197,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[21,63,38,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734723,"usec":439536},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.865262,"noise_level":-28.143732,"freq_skew":1.414307,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUL","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR3015","msg_num":"M62","msg_num_seq":"A","msg_text":"203201,36002,2238, 155,N 40.640 W  3.000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734723,"usec":441304},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661329,"noise_level":-29.138821,"freq_skew":0.551034,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":17286,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734723,"usec":441744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.698303,"noise_level":-29.555950,"freq_skew":0.440879,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734723,"usec":442453},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945135,"noise_level":-29.503910,"freq_skew":1.753098,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[186,183,71,31]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734723,"usec":442734},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453576,"noise_level":-29.503910,"freq_skew":1.089884,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2049,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1585,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[197,27]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734724,"usec":191134},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.163059,"noise_level":-29.248287,"freq_skew":0.406540,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[166,215,242,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734724,"usec":197187},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.406999,"noise_level":-28.854322,"freq_skew":-0.215970,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734724,"usec":197789},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.701694,"noise_level":-28.830282,"freq_skew":0.614062,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":17391,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734724,"usec":953492},"freq":136975000,"burst_len_octets":73,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324720,"noise_level":-28.782404,"freq_skew":-0.648210,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"26","blk_id":"4","ack":"!","flight":"AF1358","msg_num":"M31","msg_num_seq":"A","msg_text":"2031LFPGAF1358/28\r2037GMME   "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734724,"usec":953606},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.201694,"noise_level":-28.782404,"freq_skew":1.212131,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":822,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,32,250,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734724,"usec":954125},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.283850,"noise_level":-28.734783,"freq_skew":1.039352,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734724,"usec":954973},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563190,"noise_level":-28.663845,"freq_skew":-1.545578,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734724,"usec":955249},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500996,"noise_level":-28.640326,"freq_skew":1.833979,"avlc":{"src":{"addr":"4CAFC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734724,"usec":964242},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.391906,"noise_level":-28.227520,"freq_skew":0.583069,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53548,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[245,24,176,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734725,"usec":715917},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.508118,"noise_level":-28.094166,"freq_skew":1.207192,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":370,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[174,70,159,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734725,"usec":716938},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577581,"noise_level":-28.006384,"freq_skew":1.552120,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":856,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[247,73,14,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734725,"usec":718740},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.868780,"noise_level":-27.919483,"freq_skew":3.156216,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2071,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[196,95]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734725,"usec":724008},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691545,"noise_level":-27.876358,"freq_skew":-0.176295,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":489,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734726,"usec":474528},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.289225,"noise_level":-27.684895,"freq_skew":0.573066,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734726,"usec":475599},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.309720,"noise_level":-27.601135,"freq_skew":-0.033787,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":197,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[21,63,38,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734726,"usec":476347},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.937562,"noise_level":-28.156385,"freq_skew":3.214492,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENM","mode":"2","label":"_d","blk_id":"5","ack":"D","flight":"FR130V","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734726,"usec":483942},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.514030,"noise_level":-27.829397,"freq_skew":1.800147,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5568,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734726,"usec":484398},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.109419,"noise_level":-27.808029,"freq_skew":0.434396,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734727,"usec":240505},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485039,"noise_level":-27.452599,"freq_skew":0.446228,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":17391,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734727,"usec":241242},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291165,"noise_level":-27.411724,"freq_skew":1.036768,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":626,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734728,"usec":1689},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.300973,"noise_level":-27.150623,"freq_skew":-0.081775,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPW","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"TP1325","msg_num":"M54","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734728,"usec":4961},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.230357,"noise_level":-26.954985,"freq_skew":0.861341,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2049,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1585,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[197,27]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734728,"usec":10719},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421952,"noise_level":-26.801586,"freq_skew":1.705975,"avlc":{"src":{"addr":"4CAFC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734728,"usec":770618},"freq":136975000,"burst_len_octets":73,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425973,"noise_level":-26.576452,"freq_skew":-0.790760,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"26","blk_id":"4","ack":"!","flight":"AF1358","msg_num":"M31","msg_num_seq":"A","msg_text":"2031LFPGAF1358/28\r2037GMME   "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734728,"usec":774668},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.009559,"noise_level":-26.411352,"freq_skew":1.395620,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734728,"usec":775971},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.125459,"noise_level":-26.338968,"freq_skew":-1.372911,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":752,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734729,"usec":527125},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718036,"noise_level":-26.085909,"freq_skew":-0.346013,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":489,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734729,"usec":527553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840467,"noise_level":-26.085909,"freq_skew":-0.648262,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734729,"usec":530524},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.163092,"noise_level":-26.033558,"freq_skew":0.693196,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734730,"usec":287935},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.558541,"noise_level":-25.895477,"freq_skew":3.013518,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734730,"usec":293972},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959673,"noise_level":-25.625732,"freq_skew":0.048605,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734730,"usec":296293},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.833387,"noise_level":-25.510302,"freq_skew":3.003204,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENM","mode":"2","label":"_d","blk_id":"5","ack":"D","flight":"FR130V","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734731,"usec":56762},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724083,"noise_level":-25.412569,"freq_skew":0.450290,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":17391,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734731,"usec":58689},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676989,"noise_level":-25.315924,"freq_skew":2.070034,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[45,6]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734731,"usec":58928},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.715277,"noise_level":-25.299919,"freq_skew":1.353435,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2877,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23059,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[54,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734731,"usec":66317},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.918180,"noise_level":-25.188713,"freq_skew":1.868395,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734731,"usec":808561},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.345440,"noise_level":-25.063339,"freq_skew":0.040422,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.700000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734731,"usec":812296},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.904100,"noise_level":-26.152756,"freq_skew":0.580049,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734731,"usec":815571},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.990976,"noise_level":-26.082487,"freq_skew":1.160075,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2049,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1585,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[197,27]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734732,"usec":577084},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.962244,"noise_level":-25.840929,"freq_skew":1.376053,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734732,"usec":579126},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905571,"noise_level":-25.722622,"freq_skew":3.105329,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENM","mode":"2","label":"_d","blk_id":"6","ack":"E","flight":"FR130V","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734732,"usec":581441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.061439,"noise_level":-25.589361,"freq_skew":0.991490,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734733,"usec":345202},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.474958,"noise_level":-25.217243,"freq_skew":1.074857,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734734,"usec":96128},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961663,"noise_level":-25.424160,"freq_skew":1.627228,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[162,167,30,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734734,"usec":106191},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.851752,"noise_level":-25.121336,"freq_skew":-2.133612,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":749,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[158,20,222,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734734,"usec":856226},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.777857,"noise_level":-26.052715,"freq_skew":1.059529,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2050,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[142,5]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734734,"usec":861423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.237704,"noise_level":-25.727587,"freq_skew":0.651679,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734734,"usec":863152},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577521,"noise_level":-25.660660,"freq_skew":0.677644,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734736,"usec":377877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.345788,"noise_level":-25.190292,"freq_skew":3.262731,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734736,"usec":383764},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.627892,"noise_level":-24.956636,"freq_skew":-1.912593,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[143,94,173,11]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734736,"usec":386013},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.731976,"noise_level":-25.520054,"freq_skew":2.930417,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENM","mode":"2","label":"_d","blk_id":"6","ack":"E","flight":"FR130V","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734737,"usec":143711},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.087598,"noise_level":-25.454702,"freq_skew":1.750539,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":291,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734737,"usec":910925},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.498787,"noise_level":-24.736519,"freq_skew":0.477699,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19966,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[148,97,52,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734738,"usec":672270},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.085779,"noise_level":-24.573231,"freq_skew":-2.045808,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734739,"usec":428282},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.042443,"noise_level":-24.128916,"freq_skew":1.957545,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXM","mode":"2","label":"_d","blk_id":"3","ack":"I","flight":"BA07JD","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734739,"usec":431341},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.801185,"noise_level":-24.031658,"freq_skew":1.250026,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":823,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":194030},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.237762,"noise_level":-23.816729,"freq_skew":0.690871,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53564,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,75,169,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":196152},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.509680,"noise_level":-23.736229,"freq_skew":1.729013,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":362,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[222,86,205,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":198727},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.391397,"noise_level":-23.656467,"freq_skew":0.644733,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19966,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[148,97,52,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":199770},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.985864,"noise_level":-23.880951,"freq_skew":1.882061,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":43.100002,"lon":-4.000000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":199770},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.985864,"noise_level":-23.880951,"freq_skew":1.882061,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"IB07HP","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":200462},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.949069,"noise_level":-24.799274,"freq_skew":0.272157,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,238,18,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":958034},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.125857,"noise_level":-25.375343,"freq_skew":1.871875,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15071314","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,114,204,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":958381},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.983347,"noise_level":-25.902710,"freq_skew":1.800942,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":640,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":961271},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336352,"noise_level":-26.332388,"freq_skew":0.408341,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":961366},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.007408,"noise_level":-26.332388,"freq_skew":0.629784,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4010EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":17848,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734740,"usec":962861},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.262224,"noise_level":-26.242817,"freq_skew":0.524787,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734741,"usec":712378},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663239,"noise_level":-26.048950,"freq_skew":1.129164,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[237,185,125,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734741,"usec":715418},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.247705,"noise_level":-26.546671,"freq_skew":2.000136,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734741,"usec":717584},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604029,"noise_level":-26.436632,"freq_skew":1.760309,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1652,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734741,"usec":717978},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.791910,"noise_level":-27.165459,"freq_skew":0.689054,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53569,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734742,"usec":478338},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.206671,"noise_level":-27.066921,"freq_skew":0.502726,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734742,"usec":479195},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.811152,"noise_level":-27.008331,"freq_skew":1.407493,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":619,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734742,"usec":479663},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.521286,"noise_level":-26.988890,"freq_skew":1.236957,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734742,"usec":484612},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.367614,"noise_level":-26.758911,"freq_skew":1.690180,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734743,"usec":245274},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.293557,"noise_level":-26.608908,"freq_skew":0.487424,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734743,"usec":252293},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.409450,"noise_level":-26.262701,"freq_skew":0.678926,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19966,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[148,97,52,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734743,"usec":258310},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.845851,"noise_level":-26.915541,"freq_skew":1.751384,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15071314","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,114,204,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734744,"usec":4045},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459065,"noise_level":-26.631378,"freq_skew":0.475173,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19974,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[251,133]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFRR"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734744,"usec":5012},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.176968,"noise_level":-26.815475,"freq_skew":-2.103532,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":47,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1555,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[65,140,154,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734744,"usec":769203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.163116,"noise_level":-26.497734,"freq_skew":1.594855,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734744,"usec":774991},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.926853,"noise_level":-26.316113,"freq_skew":1.662723,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734745,"usec":526377},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.535674,"noise_level":-26.280241,"freq_skew":0.363409,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6549,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43170,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[233,54]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734745,"usec":528521},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.437912,"noise_level":-26.898020,"freq_skew":0.440676,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19976,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[151,15,225,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734745,"usec":528758},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.537936,"noise_level":-26.898020,"freq_skew":0.718683,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734745,"usec":529490},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.334061,"noise_level":-26.840553,"freq_skew":0.515106,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19978,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":6,"variable_part_params":[{"name":"checksum","value":[31,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734745,"usec":531735},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.590853,"noise_level":-26.745615,"freq_skew":1.565342,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":819,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[146,10,109,250]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734746,"usec":295461},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.298759,"noise_level":-26.357830,"freq_skew":0.588170,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734746,"usec":299312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.022299,"noise_level":-26.928816,"freq_skew":1.693399,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734746,"usec":300824},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656463,"noise_level":-26.890327,"freq_skew":0.525454,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[72,78]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":135.700000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734747,"usec":47675},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.436201,"noise_level":-27.335939,"freq_skew":0.596187,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19966,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[148,97,52,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734747,"usec":48158},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.687019,"noise_level":-27.316566,"freq_skew":-0.098201,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.700000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734747,"usec":48721},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.632690,"noise_level":-27.548489,"freq_skew":0.800755,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[169,253,242,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734747,"usec":53751},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.644998,"noise_level":-27.364044,"freq_skew":2.228401,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2496,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1518,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[207,3]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734747,"usec":54609},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536723,"noise_level":-27.323582,"freq_skew":0.032523,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734747,"usec":813042},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.216230,"noise_level":-27.163597,"freq_skew":0.663104,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734747,"usec":813693},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.812984,"noise_level":-27.124054,"freq_skew":2.155571,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2497,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1518,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[244,62]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734747,"usec":816189},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.281640,"noise_level":-27.588696,"freq_skew":0.658881,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734747,"usec":821378},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574923,"noise_level":-27.742237,"freq_skew":0.691079,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53579,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":15,"rseq":8,"variable_part_params":[{"name":"checksum","value":[243,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734748,"usec":574437},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.381775,"noise_level":-27.574425,"freq_skew":0.556824,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19978,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":6,"variable_part_params":[{"name":"checksum","value":[31,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734748,"usec":576263},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.398840,"noise_level":-27.450661,"freq_skew":1.880959,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1653,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[39,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734749,"usec":336441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.355591,"noise_level":-28.012344,"freq_skew":2.025871,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734749,"usec":340167},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.741023,"noise_level":-27.796555,"freq_skew":1.775172,"avlc":{"src":{"addr":"4CAD2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LEAL"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.700000},"alt":31000}},{"name":"alternate_ground_stations","value":["1192CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734750,"usec":96341},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640058,"noise_level":-27.606821,"freq_skew":1.073505,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"EC45FP","msg_num":"M45","msg_num_seq":"A","msg_text":"/LPPR.TI2/040LPPRA9EFC"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734750,"usec":97128},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.748013,"noise_level":-27.544489,"freq_skew":0.536775,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD2A","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734750,"usec":99969},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.807790,"noise_level":-27.339880,"freq_skew":0.637630,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19984,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":74,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[239,33,228,155]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":29}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT SEVILLA","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":134.800000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734750,"usec":101965},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.136421,"noise_level":-27.259369,"freq_skew":-0.707743,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"2F","blk_id":"5","ack":"!","flight":"AF1358","msg_num":"M32","msg_num_seq":"A","msg_text":"2032+3954-306/3742"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734750,"usec":103415},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.242546,"noise_level":-27.199471,"freq_skew":0.605339,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734750,"usec":862787},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.784065,"noise_level":-27.545982,"freq_skew":0.911059,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":792,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[60,32,69,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734750,"usec":864696},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381308,"noise_level":-28.185925,"freq_skew":1.742449,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":802,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[253,23,107,69]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43220,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[67,151,246,102]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734750,"usec":868412},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.446002,"noise_level":-28.300884,"freq_skew":0.497625,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"X","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734750,"usec":870597},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.674197,"noise_level":-28.144192,"freq_skew":1.868265,"avlc":{"src":{"addr":"4CAD2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126452","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,42,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734750,"usec":871400},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.628968,"noise_level":-28.122040,"freq_skew":0.696895,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19987,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[43,218,32,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734751,"usec":616323},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583592,"noise_level":-27.860491,"freq_skew":1.844000,"avlc":{"src":{"addr":"4CAD2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HEV","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR03WL","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734751,"usec":616636},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.835651,"noise_level":-27.839048,"freq_skew":0.463346,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19978,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":6,"variable_part_params":[{"name":"checksum","value":[31,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734751,"usec":619682},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.747065,"noise_level":-28.264179,"freq_skew":-2.173559,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":750,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734751,"usec":620883},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.934748,"noise_level":-28.241714,"freq_skew":0.488133,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".OE-LSP","mode":"2","label":"A9","blk_id":"R","ack":"!","msg_text":"/LISCAYA.TI2/LPPR ARR ATIS I\r\n2030Z RNP APCH\r\nRWY IN USE 35\r\nTRL 50\r\nPARTS OF CENTER LINE OUT OF SERVICE\r\n CHECK PUBLISHED NOTAM\r\nGND CL\r\nWND TDZ 360 DEG 7 KT\r\nCAVOK\r\nT 23 DP 16 QNH 1015\r\nBIRD ACTIVITY OVER RWY\r\nACK ARR "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734751,"usec":621586},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.554127,"noise_level":-28.196964,"freq_skew":1.690804,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734752,"usec":382203},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.128271,"noise_level":-28.020226,"freq_skew":0.670279,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734752,"usec":383312},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517702,"noise_level":-28.552193,"freq_skew":1.086967,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"3","ack":"R","flight":"EC45FP","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734752,"usec":383482},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409611,"noise_level":-29.262152,"freq_skew":0.586798,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD2A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734752,"usec":387840},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677809,"noise_level":-29.037998,"freq_skew":0.828925,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"GMAD"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["1191CA","119ADA","1192CA","11928A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734752,"usec":388371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.039441,"noise_level":-29.506130,"freq_skew":0.637374,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":146988},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.731218,"noise_level":-29.351816,"freq_skew":0.643426,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":147639},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.537846,"noise_level":-29.682531,"freq_skew":0.549952,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"A9","blk_id":"S","ack":"!","msg_text":"/LISCAYA.TI2/LPPR ARR ATIS I\r\n2030Z RNP APCH\r\nRWY IN USE 35\r\nTRL 50\r\nPARTS OF CENTER LINE OUT OF SERVICE\r\n CHECK PUBLISHED NOTAM\r\nGND CL\r\nWND TDZ 360 DEG 7 KT\r\nCAVOK\r\nT 23 DP 16 QNH 1015\r\nBIRD ACTIVITY OVER RWY\r\nACK ARR INFO I\r\n\r\n\r\nB873\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":147874},"freq":136975000,"burst_len_octets":199,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945098,"noise_level":-30.050446,"freq_skew":0.460948,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"C1","blk_id":"H","ack":"!","msg_text":".HDQBQSK 282032\r\nAGM\r\nAN SE-ROF/FI SK4680/MA 810I\r\n-  MESSAGE FROM: OSLKOSK\r\nHI - ASSISTANCE TEAM WILL MEET YOU AT GATE FOR 2 PAX THEN - BEST REGARDS KRISTIN\r\nA\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":148187},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.146081,"noise_level":-30.022860,"freq_skew":1.627004,"avlc":{"src":{"addr":"4CAD2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126452","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,42,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":149692},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.580401,"noise_level":-29.886244,"freq_skew":1.197553,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"4","ack":"S","flight":"EC45FP","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":149777},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.101704,"noise_level":-29.886244,"freq_skew":0.466700,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD2A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":254,"calling_addr":"23126452","facilities":[{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":152434},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657379,"noise_level":-29.751740,"freq_skew":-0.946521,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":904661},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.586840,"noise_level":-29.437189,"freq_skew":0.522142,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD2A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HEV","mode":"2","label":"_d","blk_id":"Y","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":904848},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898275,"noise_level":-29.437189,"freq_skew":1.816824,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1654,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[233,61]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":906683},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.210340,"noise_level":-30.147249,"freq_skew":0.604375,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":906812},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767752,"noise_level":-30.376894,"freq_skew":0.655024,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":18224,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734753,"usec":912519},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.880097,"noise_level":-30.094679,"freq_skew":1.664452,"avlc":{"src":{"addr":"4CAD2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734754,"usec":676730},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.345078,"noise_level":-29.740993,"freq_skew":-1.977649,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734754,"usec":678960},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.212199,"noise_level":-29.635002,"freq_skew":0.710145,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734755,"usec":429432},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.852700,"noise_level":-29.390190,"freq_skew":-0.545184,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":414,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734755,"usec":429793},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.841338,"noise_level":-29.364622,"freq_skew":2.158922,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2498,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1518,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[179,122]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734755,"usec":435701},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511011,"noise_level":-29.454927,"freq_skew":2.157076,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":630,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[217,48,32,125]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734755,"usec":435827},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.951142,"noise_level":-29.454927,"freq_skew":-2.170930,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":196108},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.405691,"noise_level":-29.477818,"freq_skew":0.688363,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53584,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":15,"rseq":9,"variable_part_params":[{"name":"checksum","value":[239,185]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":196474},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.791664,"noise_level":-29.451992,"freq_skew":1.946096,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":773,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43322,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[148,210,214,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":196589},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.626098,"noise_level":-29.451992,"freq_skew":0.561801,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1518,"dst_ref":16,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[141,156]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":197148},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.287961,"noise_level":-29.576042,"freq_skew":0.698693,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":198737},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.649295,"noise_level":-29.446224,"freq_skew":0.665084,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34840,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30829,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[222,125,221,123]},{"name":"checksum","value":[23,183]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":200212},"freq":136975000,"burst_len_octets":199,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.844406,"noise_level":-29.369255,"freq_skew":0.703358,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"C1","blk_id":"H","ack":"!","msg_text":".HDQBQSK 282032\r\nAGM\r\nAN SE-ROF/FI SK4680/MA 810I\r\n-  MESSAGE FROM: OSLKOSK\r\nHI - ASSISTANCE TEAM WILL MEET YOU AT GATE FOR 2 PAX THEN - BEST REGARDS KRISTIN\r\nA\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":200391},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563074,"noise_level":-29.678947,"freq_skew":0.733651,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":206127},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.476516,"noise_level":-29.495604,"freq_skew":0.653183,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD2A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HEV","mode":"2","label":"_d","blk_id":"Y","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":955506},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.084272,"noise_level":-29.443924,"freq_skew":1.565072,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":803,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":963114},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.177244,"noise_level":-29.115292,"freq_skew":1.468640,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2878,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[139,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734756,"usec":963249},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407753,"noise_level":-29.115292,"freq_skew":2.071241,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2499,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":16,"dst_ref":1518,"variable_part_params":[{"name":"checksum","value":[92,16]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734757,"usec":715600},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.352388,"noise_level":-28.798641,"freq_skew":0.664571,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734757,"usec":716686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.993687,"noise_level":-28.703489,"freq_skew":1.888250,"avlc":{"src":{"addr":"4CAD2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734757,"usec":717626},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.932529,"noise_level":-29.126328,"freq_skew":-0.265846,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-1.800000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734757,"usec":726646},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.856730,"noise_level":-28.929859,"freq_skew":-0.271463,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.900000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734757,"usec":726877},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.139260,"noise_level":-28.929859,"freq_skew":-0.690697,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":150,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[179,203,122,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734758,"usec":482832},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.406076,"noise_level":-28.714012,"freq_skew":1.725585,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1654,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[233,61]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734758,"usec":485650},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.246712,"noise_level":-28.480316,"freq_skew":1.523385,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":804,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43220,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[225,141,117,82]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734758,"usec":489064},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.980354,"noise_level":-28.320387,"freq_skew":-0.313398,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":745,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[17,254,7,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734758,"usec":490695},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.867364,"noise_level":-28.252735,"freq_skew":-0.551032,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":414,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734759,"usec":238223},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.455276,"noise_level":-28.962341,"freq_skew":0.630621,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19996,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[128,167,82,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734759,"usec":241027},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.833084,"noise_level":-28.698280,"freq_skew":0.719984,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34840,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":30829,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[222,125,221,123]},{"name":"checksum","value":[23,183]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25266450,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734759,"usec":241352},"freq":136975000,"burst_len_octets":199,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.021148,"noise_level":-28.698280,"freq_skew":0.737167,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"C1","blk_id":"H","ack":"!","msg_text":".HDQBQSK 282032\r\nAGM\r\nAN SE-ROF/FI SK4680/MA 810I\r\n-  MESSAGE FROM: OSLKOSK\r\nHI - ASSISTANCE TEAM WILL MEET YOU AT GATE FOR 2 PAX THEN - BEST REGARDS KRISTIN\r\nA\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734759,"usec":244407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.249313,"noise_level":-28.580856,"freq_skew":0.694177,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4B1A65","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734759,"usec":244731},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.968525,"noise_level":-28.580856,"freq_skew":0.727299,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":19998,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":74,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[16,118,52,123]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":8,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734759,"usec":246022},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.769307,"noise_level":-28.511158,"freq_skew":-0.683209,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"_d","blk_id":"5","ack":"H","flight":"SK4680","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":3519},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.956230,"noise_level":-28.442011,"freq_skew":-0.184115,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"VY33KE","msg_num":"F11","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/TS203237,072825/DTLEMG,13O,98,212437,048/FNVLG33KE3ED7"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":3861},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142846,"noise_level":-28.844513,"freq_skew":1.686622,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":4334},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498728,"noise_level":-28.796555,"freq_skew":-1.771273,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"VY03RB","msg_num":"F77","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/TS203238,072825/DTLECO,21O,66,212438,116/FNVLG3RB2262"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":4556},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.927078,"noise_level":-28.796555,"freq_skew":-0.445009,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":6256},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.216713,"noise_level":-28.654243,"freq_skew":0.247809,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7363,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[196,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":7950},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109256,"noise_level":-29.480473,"freq_skew":0.494946,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":15900},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.930740,"noise_level":-29.658907,"freq_skew":0.439686,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":18696},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.751926,"noise_level":-29.632538,"freq_skew":0.512443,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":763339},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.639477,"noise_level":-29.527855,"freq_skew":1.578383,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":764431},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.107410,"noise_level":-29.424417,"freq_skew":0.489685,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":765137},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.089714,"noise_level":-29.373158,"freq_skew":1.531983,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":805,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[83,227,157,239]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":765685},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.454324,"noise_level":-29.779743,"freq_skew":0.576750,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734760,"usec":769043},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.765502,"noise_level":-29.594280,"freq_skew":0.536381,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6550,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":17,"dst_ref":30829,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[14,46]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734761,"usec":523952},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.240726,"noise_level":-29.260021,"freq_skew":0.648625,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734761,"usec":524114},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767708,"noise_level":-29.260021,"freq_skew":0.676044,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34849,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[101,172]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734761,"usec":526577},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.732866,"noise_level":-29.085224,"freq_skew":-0.247445,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734761,"usec":527191},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.966560,"noise_level":-29.060537,"freq_skew":-0.142870,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"TP0555","msg_num":"J28","msg_num_seq":"A","msg_text":"/LPFR.TI2/000LPFRAAEF9"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734761,"usec":527841},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.182893,"noise_level":-29.035921,"freq_skew":-1.798905,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734761,"usec":531394},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.637497,"noise_level":-28.817459,"freq_skew":0.561533,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":18443,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734761,"usec":532094},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.231519,"noise_level":-28.793522,"freq_skew":0.670314,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53587,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":83,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[143,104,171,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734762,"usec":285688},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.076685,"noise_level":-28.651264,"freq_skew":1.185233,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2879,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[60,2]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734762,"usec":287203},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.381434,"noise_level":-28.534470,"freq_skew":0.583760,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20002,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":5,"variable_part_params":[{"name":"checksum","value":[35,143]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734762,"usec":288889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.207237,"noise_level":-28.465137,"freq_skew":0.490308,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734762,"usec":290240},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.280859,"noise_level":-28.396357,"freq_skew":1.493944,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":820,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1614,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[181,238,157,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734762,"usec":291824},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.212194,"noise_level":-28.512781,"freq_skew":-0.620658,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734762,"usec":292053},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630684,"noise_level":-28.489666,"freq_skew":0.669132,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"dst_airport","value":"GMAD"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["1191CA","119ADA","1192CA","11928A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734763,"usec":51973},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719747,"noise_level":-28.284359,"freq_skew":0.534413,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734763,"usec":53244},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.363275,"noise_level":-28.216988,"freq_skew":0.256467,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[147,176]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734763,"usec":53725},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.454291,"noise_level":-28.965294,"freq_skew":0.521169,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734763,"usec":810311},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228372,"noise_level":-28.774530,"freq_skew":-0.264011,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734763,"usec":810849},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.850681,"noise_level":-29.062397,"freq_skew":-0.142489,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"8","ack":"M","flight":"TP0555","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734763,"usec":811072},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.655567,"noise_level":-29.253666,"freq_skew":0.523408,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734763,"usec":811941},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.723310,"noise_level":-29.178379,"freq_skew":0.754490,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124574","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,169,124,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734763,"usec":813147},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.708402,"noise_level":-29.103737,"freq_skew":0.513981,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":254,"calling_addr":"23124574","facilities":[{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734763,"usec":817205},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.718435,"noise_level":-29.109119,"freq_skew":1.674567,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"B9","blk_id":"0","ack":"!","flight":"U215KW","msg_num":"M02","msg_num_seq":"A","msg_text":"/LEMG.TI2/040LEMGAC4AA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734764,"usec":573852},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472939,"noise_level":-28.888834,"freq_skew":0.813568,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ESV","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR08XT","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734764,"usec":576519},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331921,"noise_level":-28.697605,"freq_skew":1.821274,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EUXM","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"BA07JD","msg_num":"D39","msg_num_seq":"A","sublabel":"DF","msg_text":"A321,000969,1,1,TB000000/REP019,00,00,1/CCG-EUXM,JUL28,203218,LEMG,EGKK,0007/C0TIA050BA200101/C106,08501,8100,39,0010,0,0100,39,X/CE-258,37962,246,779,6435,192,I62A20/EC011754,00238,00091,73,15,015/EE016755"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734764,"usec":577709},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.205053,"noise_level":-28.603546,"freq_skew":0.583770,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53589,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":18,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[2,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734764,"usec":579941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.925716,"noise_level":-28.487387,"freq_skew":0.855553,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734765,"usec":338269},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977952,"noise_level":-28.464340,"freq_skew":0.450549,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53590,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734765,"usec":344783},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304503,"noise_level":-28.103672,"freq_skew":0.732046,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[115,110]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734765,"usec":347088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.851884,"noise_level":-29.130615,"freq_skew":1.391286,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734765,"usec":349197},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.846262,"noise_level":-29.056381,"freq_skew":-1.543175,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":753,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734766,"usec":98936},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.555369,"noise_level":-28.909788,"freq_skew":0.558119,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ESV","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734766,"usec":100038},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491259,"noise_level":-28.837410,"freq_skew":-0.096727,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.700001,"lon":-4.900000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734766,"usec":104133},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.149921,"noise_level":-29.354677,"freq_skew":0.621126,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734766,"usec":861910},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.348466,"noise_level":-29.291933,"freq_skew":-0.375924,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"TP05AS","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734766,"usec":862077},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502254,"noise_level":-29.291933,"freq_skew":1.880994,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EUXM","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"BA07JD","msg_num":"D39","msg_num_seq":"B","sublabel":"DF","msg_text":",00238,00091,73/E10817,0860,39,177,015,000,032,0/N10815,0846,39,183,012,000,025,0/S11199,4217,012,021,211,39,37999,2/T11198,4142,013,007,194,39,37992,2/V1-245,-518,07680,00192,203,189,180,0/X10501,00000,081"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734766,"usec":863108},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.912983,"noise_level":-29.241447,"freq_skew":-0.369878,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250721","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734766,"usec":863682},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.934707,"noise_level":-30.296619,"freq_skew":0.718206,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734767,"usec":623305},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.317896,"noise_level":-29.853384,"freq_skew":0.325587,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[147,176]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734768,"usec":384878},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.224719,"noise_level":-29.431671,"freq_skew":-0.262374,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734768,"usec":386010},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.081409,"noise_level":-29.354832,"freq_skew":0.585274,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734768,"usec":387291},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686330,"noise_level":-29.253424,"freq_skew":-0.288196,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":438,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":10,"ack":4,"credit_offered":0,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734768,"usec":391317},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.449800,"noise_level":-28.980503,"freq_skew":0.694452,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":18632,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":9,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734768,"usec":393393},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433570,"noise_level":-28.907536,"freq_skew":2.114510,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EUXM","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"BA07JD","msg_num":"D39","msg_num_seq":"C","sublabel":"DF","msg_text":",015,022,028,007,1/E40827,0866,39,178,014,000,029,0/N50832,0855,39,181,013,000,023,0/E00840,0870,39,177,014,000,029,0/2E0846,0874,39,177,014,000,030,0/2N0843,0859,39,177,012,000,023,0/2S1303,4340,009,018,21"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734769,"usec":150479},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232475,"noise_level":-28.528400,"freq_skew":-1.064835,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[165,210,247,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734769,"usec":153900},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.062915,"noise_level":-28.668163,"freq_skew":1.863309,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734769,"usec":155339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.172092,"noise_level":-28.574421,"freq_skew":-0.339658,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734770,"usec":674794},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.036276,"noise_level":-27.709829,"freq_skew":-0.357950,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734770,"usec":678395},"freq":136975000,"burst_len_octets":170,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.268902,"noise_level":-27.789162,"freq_skew":1.770133,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXM","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"BA07JD","msg_num":"D39","msg_num_seq":"D","sublabel":"DF","msg_text":"A321,000969,1,1,TB000000/REP019,00,00,1/CCG-EUXM,JUL28,203218,LEMG,EGKK,0007/C0TIA050BA200101/C106,08501,8100,39,0010,0,0100,39,X/CE-258,37962,246,779,6435,192,I62A20/EC011754,00238,00091,73,15,015/EE016755,00238,00091,73/E10817,0860,39,177,015,000,032,0/N10815,0846,39,183,012,000,025,0/S11199,4217,012,021,211,39,37999,2/T11198,4142,013,007,194,39,37992,2/V1-245,-518,07680,00192,203,189,180,0/X10501,00000,081,015,022,028,007,1/E40827,0866,39,178,014,000,029,0/N50832,0855,39,181,013,000,023,0/E00840,0870,39,177,014,000,029,0/2E0846,0874,39,177,014,000,030,0/2N0843,0859,39,177,012,000,023,0/2S1303,4340,009,018,210,39,37962,2/2T1301,4262,005,-01,194,39,37954,2/2V-258,-528,07664,00192,203,189,180,0/2X0501,00000,081,013,036,032,007,1/:"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734771,"usec":435847},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.820946,"noise_level":-27.590445,"freq_skew":-2.108104,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":48,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43409,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[247,235,138,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734771,"usec":439046},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.334778,"noise_level":-27.425510,"freq_skew":1.977387,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[177,196,56,54]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43329,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[66,81,147,122]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734772,"usec":202685},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.358083,"noise_level":-26.757523,"freq_skew":0.352860,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[147,176]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734772,"usec":952698},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.017149,"noise_level":-26.738634,"freq_skew":1.896637,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734772,"usec":954435},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.595586,"noise_level":-26.644794,"freq_skew":1.901279,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":857,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[207,38,86,80]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734772,"usec":962142},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.138214,"noise_level":-26.387320,"freq_skew":0.517664,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734773,"usec":723817},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.247307,"noise_level":-26.067114,"freq_skew":-0.854645,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734773,"usec":724848},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.036991,"noise_level":-26.032253,"freq_skew":0.474126,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[11,150,77,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734773,"usec":726251},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790981,"noise_level":-25.997532,"freq_skew":0.619610,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734773,"usec":728894},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.919985,"noise_level":-25.894192,"freq_skew":1.714534,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":858,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[77,22,64,163]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43334,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[45,84,245,169]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734774,"usec":473799},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.552792,"noise_level":-25.842981,"freq_skew":1.778247,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734774,"usec":476269},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.886076,"noise_level":-25.724648,"freq_skew":-1.882671,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":48,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43409,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[247,235,138,198]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734775,"usec":242204},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905040,"noise_level":-25.282747,"freq_skew":1.962972,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":238,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[21,172,173,24]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1576,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[88,33,22,246]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734775,"usec":244607},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.095337,"noise_level":-25.187529,"freq_skew":1.389010,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":806,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734776,"usec":685},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.010005,"noise_level":-25.000164,"freq_skew":0.822376,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":86,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734776,"usec":1729},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.893792,"noise_level":-25.865154,"freq_skew":-0.451175,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":746,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61097,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[102,39,63,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734776,"usec":763788},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.665978,"noise_level":-26.288364,"freq_skew":1.233744,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734777,"usec":529934},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716433,"noise_level":-25.920050,"freq_skew":1.796301,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":858,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[77,22,64,163]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43334,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[45,84,245,169]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":32,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734777,"usec":532934},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.794737,"noise_level":-25.800669,"freq_skew":-0.479804,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":439,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":10,"ack":4,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,84,65,80,0,73,81,209],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734777,"usec":535282},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.163041,"noise_level":-26.733541,"freq_skew":1.923008,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734778,"usec":288035},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.944664,"noise_level":-26.583973,"freq_skew":0.376495,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":42.600002,"lon":-3.000000},"alt":0}},{"name":"alternate_ground_stations","value":["119A8A","1298AA","119C1A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734778,"usec":288751},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.397986,"noise_level":-26.546978,"freq_skew":1.898827,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3741,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[124,52]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734778,"usec":289350},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.606987,"noise_level":-26.528542,"freq_skew":-0.233905,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":440,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":11,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734778,"usec":289985},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.751182,"noise_level":-27.666176,"freq_skew":0.595757,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2224","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734778,"usec":292772},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.001516,"noise_level":-27.561827,"freq_skew":-0.484210,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":441,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":11,"ack":4,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":9,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,81,209]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,81,209]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734778,"usec":294350},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.038727,"noise_level":-27.479240,"freq_skew":-0.501395,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":442,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":12,"ack":4,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":10,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,84,65,80,0,73,81,209]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,84,65,80,0,73,81,209]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":47454},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.149161,"noise_level":-28.050518,"freq_skew":1.754467,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":51631},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.748634,"noise_level":-27.791082,"freq_skew":0.553794,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221044","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,36,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":53126},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499263,"noise_level":-28.381828,"freq_skew":0.571155,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"VY04LJ","msg_num":"F66","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/RJ,302A18B"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":54783},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736563,"noise_level":-29.252312,"freq_skew":0.464056,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2224","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":254,"calling_addr":"23221044","facilities":[{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":55001},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843728,"noise_level":-29.252312,"freq_skew":-0.277699,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":807503},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.182829,"noise_level":-30.175121,"freq_skew":2.064850,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3397,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":808038},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.585718,"noise_level":-30.147141,"freq_skew":0.431819,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAR","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR10RR","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":810453},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497873,"noise_level":-30.212221,"freq_skew":1.954535,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":631,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":810556},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.751606,"noise_level":-30.212221,"freq_skew":0.541439,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"X","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":810864},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686111,"noise_level":-30.184120,"freq_skew":-0.409752,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":443,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":13,"ack":5,"credit_offered":3,"credit_avail":2}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":811481},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.579009,"noise_level":-30.156109,"freq_skew":0.536244,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":18965,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":814963},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.457946,"noise_level":-30.125240,"freq_skew":0.427089,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-4.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734779,"usec":815442},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.442914,"noise_level":-30.097420,"freq_skew":0.614306,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2224","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734780,"usec":581906},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.185793,"noise_level":-29.932339,"freq_skew":0.713891,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734780,"usec":584352},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.882710,"noise_level":-29.743626,"freq_skew":0.376513,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734780,"usec":587168},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.050527,"noise_level":-30.094795,"freq_skew":0.203363,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734780,"usec":588220},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.341395,"noise_level":-30.039436,"freq_skew":0.714458,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2224","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAR","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734780,"usec":589053},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.134526,"noise_level":-30.011887,"freq_skew":0.491938,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734782,"usec":96460},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.309744,"noise_level":-29.098930,"freq_skew":0.475973,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20029,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[253,31,191,249]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734782,"usec":98351},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.301244,"noise_level":-28.951626,"freq_skew":1.382094,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":564,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[232,70,204,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734782,"usec":101698},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292923,"noise_level":-28.782867,"freq_skew":-0.753543,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734782,"usec":102298},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.707899,"noise_level":-29.027651,"freq_skew":1.910832,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734782,"usec":103134},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724012,"noise_level":-28.978672,"freq_skew":0.562405,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734782,"usec":862304},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.351831,"noise_level":-28.881538,"freq_skew":1.934787,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3741,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[124,52]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734782,"usec":863226},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.145405,"noise_level":-28.833374,"freq_skew":0.662989,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734782,"usec":864761},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.233040,"noise_level":-28.714123,"freq_skew":-1.490775,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":680,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[81,97,223,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734782,"usec":864761},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.233040,"noise_level":-28.714123,"freq_skew":-1.490775,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":681,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[36,102,127,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734782,"usec":870458},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.435236,"noise_level":-28.343159,"freq_skew":-0.500801,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":443,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":13,"ack":5,"credit_offered":3,"credit_avail":2}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734783,"usec":624409},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.052163,"noise_level":-29.305965,"freq_skew":-0.043384,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGSA"},{"name":"ac_location","value":{"loc":{"lat":39.900002,"lon":-5.800000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734783,"usec":624710},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456647,"noise_level":-29.731155,"freq_skew":0.516959,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2224","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAR","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734783,"usec":626163},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.663007,"noise_level":-29.625282,"freq_skew":0.466243,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734783,"usec":627305},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.805675,"noise_level":-29.546719,"freq_skew":-0.339844,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DNC","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"A34555","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734783,"usec":628553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.875690,"noise_level":-29.468857,"freq_skew":-1.746899,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734783,"usec":628965},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.024300,"noise_level":-29.443056,"freq_skew":-0.196364,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21510703","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,145,195,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734783,"usec":629649},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.393822,"noise_level":-29.417334,"freq_skew":0.542424,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20033,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[85,247,5,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734783,"usec":630621},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.606342,"noise_level":-29.340620,"freq_skew":0.539492,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21510703","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734784,"usec":381518},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.139060,"noise_level":-29.340620,"freq_skew":2.535516,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734784,"usec":382871},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.524155,"noise_level":-29.239376,"freq_skew":-1.980829,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734784,"usec":383751},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.753965,"noise_level":-29.164209,"freq_skew":-2.184011,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":751,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[8,230,115,215]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734784,"usec":385833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.322510,"noise_level":-29.015800,"freq_skew":0.387689,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734784,"usec":387581},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.584886,"noise_level":-28.918251,"freq_skew":0.688362,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":19091,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734784,"usec":388351},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459964,"noise_level":-28.894035,"freq_skew":-0.385618,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734784,"usec":390354},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.253398,"noise_level":-28.750135,"freq_skew":0.602728,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734785,"usec":142393},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.524072,"noise_level":-28.726383,"freq_skew":0.717315,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DNC","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734785,"usec":911690},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.931468,"noise_level":-28.042397,"freq_skew":2.094031,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734785,"usec":913336},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.370498,"noise_level":-27.933460,"freq_skew":1.893606,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":58,"dst_ref":30833,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[147,91,112,228]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734785,"usec":917522},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.446346,"noise_level":-27.698496,"freq_skew":2.166709,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[45,218]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734786,"usec":665373},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.529384,"noise_level":-27.408360,"freq_skew":-1.722952,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":453,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[28,214,253,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734786,"usec":668334},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.451251,"noise_level":-27.286922,"freq_skew":-0.466282,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":443,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":13,"ack":5,"credit_offered":3,"credit_avail":2}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734786,"usec":670538},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.848714,"noise_level":-27.206898,"freq_skew":0.970311,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[65,150]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734786,"usec":670741},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.237712,"noise_level":-27.187006,"freq_skew":-0.483377,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":490,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734787,"usec":430634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.021959,"noise_level":-27.068604,"freq_skew":1.828686,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734787,"usec":436759},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.605408,"noise_level":-26.741638,"freq_skew":0.615914,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DNC","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734788,"usec":190966},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796329,"noise_level":-26.481319,"freq_skew":2.527090,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734788,"usec":192008},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.825159,"noise_level":-26.426537,"freq_skew":1.845583,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":859,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43334,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[56,73,46,112]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":6}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734788,"usec":192171},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445024,"noise_level":-26.426537,"freq_skew":0.595049,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVM","mode":"2","label":"5Y","blk_id":"3","ack":"!","flight":"TP0885","msg_num":"M65","msg_num_seq":"A","msg_text":"---2140  40N 402728,W  23328,37005,  413875,MS50,287, 45,251,203300,8880"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734788,"usec":192664},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.528023,"noise_level":-26.408352,"freq_skew":-0.071462,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734788,"usec":197752},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.316759,"noise_level":-26.157692,"freq_skew":0.490747,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-4.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734788,"usec":957754},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.232943,"noise_level":-26.780079,"freq_skew":1.801020,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734788,"usec":958935},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.565154,"noise_level":-26.723385,"freq_skew":0.641039,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":886,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[43,128,128,5]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734789,"usec":717896},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.350405,"noise_level":-26.592524,"freq_skew":0.680283,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734789,"usec":718749},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.916740,"noise_level":-26.555496,"freq_skew":0.571369,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"VY04LJ","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734789,"usec":718749},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.916740,"noise_level":-26.555496,"freq_skew":0.571369,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,68,9,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734789,"usec":724315},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417351,"noise_level":-26.963785,"freq_skew":0.739945,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734790,"usec":479617},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.622908,"noise_level":-26.791227,"freq_skew":1.541837,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[203,113,173,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734790,"usec":480280},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.437550,"noise_level":-27.720938,"freq_skew":0.531145,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20042,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[165,40,35,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734790,"usec":482778},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.645111,"noise_level":-27.595083,"freq_skew":0.437444,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[221,73,57,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734790,"usec":485587},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.719659,"noise_level":-27.450521,"freq_skew":0.257352,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734790,"usec":487004},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.267568,"noise_level":-28.369125,"freq_skew":0.512939,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734791,"usec":245237},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.296623,"noise_level":-28.188887,"freq_skew":0.603222,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734791,"usec":252316},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.698098,"noise_level":-27.860695,"freq_skew":0.614700,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734791,"usec":998771},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.093026,"noise_level":-27.669573,"freq_skew":1.464268,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":42.200001,"lon":-4.200000},"alt":39000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734791,"usec":998771},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.093026,"noise_level":-27.669573,"freq_skew":1.464268,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"U215KW","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734791,"usec":998771},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.093026,"noise_level":-27.669573,"freq_skew":1.464268,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062471","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,101,57,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734792,"usec":2014},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.124128,"noise_level":-28.645918,"freq_skew":-0.818543,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734792,"usec":3835},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.767948,"noise_level":-28.575697,"freq_skew":0.597433,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734792,"usec":6779},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466330,"noise_level":-28.436932,"freq_skew":-1.950687,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[133,187,15,94]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734792,"usec":764540},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.710363,"noise_level":-28.454935,"freq_skew":0.469177,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734793,"usec":532497},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914528,"noise_level":-27.791206,"freq_skew":1.639369,"avlc":{"src":{"addr":"4CAFC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EINN"},{"name":"ac_location","value":{"loc":{"lat":38.500000,"lon":-3.700000},"alt":0}},{"name":"alternate_ground_stations","value":["1191CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734793,"usec":532610},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340379,"noise_level":-27.791206,"freq_skew":-0.452909,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1617,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,204,98,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734793,"usec":533951},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.589523,"noise_level":-27.706423,"freq_skew":0.730538,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34899,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[198,110,184,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734793,"usec":534154},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.259406,"noise_level":-27.706423,"freq_skew":-0.051709,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[109,150,57,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734793,"usec":537056},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920434,"noise_level":-28.332207,"freq_skew":-0.591380,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[237,105,113,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734793,"usec":537638},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444772,"noise_level":-28.309566,"freq_skew":-0.701115,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734793,"usec":539653},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.655284,"noise_level":-28.219595,"freq_skew":1.156665,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":372,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734793,"usec":540379},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.740818,"noise_level":-28.174955,"freq_skew":0.639853,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734794,"usec":285354},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.937288,"noise_level":-28.108425,"freq_skew":-0.884503,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"AF1358","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734794,"usec":286239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.252159,"noise_level":-28.322872,"freq_skew":0.723238,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734794,"usec":287999},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.296911,"noise_level":-28.210382,"freq_skew":0.498486,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734794,"usec":288221},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.304690,"noise_level":-28.210382,"freq_skew":-2.369236,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.100002,"lon":-3.400000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734794,"usec":289950},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.116140,"noise_level":-28.144541,"freq_skew":0.695055,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734794,"usec":291815},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090125,"noise_level":-28.034321,"freq_skew":1.679632,"avlc":{"src":{"addr":"4CAFC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127701","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,193,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734794,"usec":292717},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415030,"noise_level":-27.990623,"freq_skew":-2.304027,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,27,82,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734794,"usec":292717},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.415030,"noise_level":-27.990623,"freq_skew":-2.304027,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"X90318","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734794,"usec":292717},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.415030,"noise_level":-27.990623,"freq_skew":-2.304027,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24037150","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,86,68,0,80,62,104,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734794,"usec":293281},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.221216,"noise_level":-28.022459,"freq_skew":0.576591,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734795,"usec":51947},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452789,"noise_level":-27.957079,"freq_skew":0.682615,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734795,"usec":53439},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.603930,"noise_level":-28.471880,"freq_skew":1.704954,"avlc":{"src":{"addr":"4CAFC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GSJ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FRRYR3","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734795,"usec":56136},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.968801,"noise_level":-28.312103,"freq_skew":1.562488,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"U215KW","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734795,"usec":56136},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.968801,"noise_level":-28.312103,"freq_skew":1.562488,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062471","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,101,57,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734795,"usec":59248},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695340,"noise_level":-28.222105,"freq_skew":0.669196,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20062471","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734795,"usec":815431},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.302288,"noise_level":-27.957573,"freq_skew":-2.400921,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734795,"usec":816110},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.367030,"noise_level":-28.302767,"freq_skew":1.484709,"avlc":{"src":{"addr":"4CAFC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734795,"usec":816254},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031726,"noise_level":-28.280203,"freq_skew":2.647602,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734795,"usec":819315},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.146728,"noise_level":-28.123884,"freq_skew":-1.812220,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[133,187,15,94]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734795,"usec":820644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.959740,"noise_level":-28.035805,"freq_skew":1.469864,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734796,"usec":574985},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.950325,"noise_level":-27.713242,"freq_skew":0.733852,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734796,"usec":575874},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.930962,"noise_level":-27.671125,"freq_skew":1.105232,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":643,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43272,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[40,160]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734796,"usec":576886},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.314898,"noise_level":-28.328850,"freq_skew":-0.403653,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1617,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,204,98,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734796,"usec":579126},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646364,"noise_level":-29.243881,"freq_skew":0.989880,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":372,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734796,"usec":579281},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645846,"noise_level":-29.243881,"freq_skew":-2.423802,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734797,"usec":335345},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.454991,"noise_level":-29.585392,"freq_skew":1.642023,"avlc":{"src":{"addr":"4CAFC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734797,"usec":339268},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.364862,"noise_level":-29.352854,"freq_skew":0.505803,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734797,"usec":340228},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240158,"noise_level":-29.276703,"freq_skew":-0.803091,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734798,"usec":100111},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.824032,"noise_level":-29.003063,"freq_skew":-0.601449,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[237,105,113,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734798,"usec":100848},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.613872,"noise_level":-28.954224,"freq_skew":-2.340445,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,27,82,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734798,"usec":101029},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.184728,"noise_level":-28.954224,"freq_skew":-0.868982,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"AF1358","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734798,"usec":104246},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.794918,"noise_level":-28.761566,"freq_skew":1.104267,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[130,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734798,"usec":104397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103888,"noise_level":-28.761566,"freq_skew":0.468047,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734798,"usec":106011},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.151372,"noise_level":-28.666817,"freq_skew":1.577322,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"IB07HP","msg_num":"D79","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127084,1,1,TB000000/REP033,00,00,1/POSDMU,203305, 43.043,-  4.012,  4118,350\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734798,"usec":861017},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.083089,"noise_level":-28.526602,"freq_skew":0.677125,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734798,"usec":865912},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.544038,"noise_level":-28.230347,"freq_skew":1.665344,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":860,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[162,226,114,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734798,"usec":867040},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.780098,"noise_level":-28.141190,"freq_skew":0.647469,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734798,"usec":868657},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.281264,"noise_level":-28.052933,"freq_skew":0.443479,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"_d","blk_id":"X","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734799,"usec":619428},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809255,"noise_level":-28.513878,"freq_skew":0.633424,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":445,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[120,67,223,172]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43325,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[55,106,4,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":17}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734799,"usec":621882},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.565953,"noise_level":-28.353336,"freq_skew":2.301307,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":593,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734799,"usec":624567},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661268,"noise_level":-28.195705,"freq_skew":1.645568,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":861,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734799,"usec":626103},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103328,"noise_level":-28.106899,"freq_skew":0.650424,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZGJ","mode":"2","label":"A9","blk_id":"J","ack":"1","msg_text":"/MADAAYA.TI2/LEMG ATIS ARR M 2030Z\r\nRWY IN USE FOR ARR 12 AND FOR DEP 13\r\nTRL FL145\r\nTWR FREQ 118.780 , TRAFFIC ARRIVING\r\nAFTER 2100 EXPECT RUNWAY 13\r\nWIND 120 DEG 7 KT .\r\nCAVOK.\r\nT25 DP23\r\nQNH 1012HPA\r\nNOSIG\r\nTAIL 20 KT"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734800,"usec":383256},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.242267,"noise_level":-27.975368,"freq_skew":0.630737,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734800,"usec":384145},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.483036,"noise_level":-27.910345,"freq_skew":1.428550,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"U215KW","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734800,"usec":384977},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.332188,"noise_level":-27.867262,"freq_skew":0.617676,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734800,"usec":387812},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.381891,"noise_level":-27.718140,"freq_skew":0.966332,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734800,"usec":388293},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.419748,"noise_level":-28.359146,"freq_skew":-0.729592,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734800,"usec":389739},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.540558,"noise_level":-28.268661,"freq_skew":0.600233,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734800,"usec":389949},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454991,"noise_level":-28.268661,"freq_skew":0.816745,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":793,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[240,167,171,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734800,"usec":391566},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.570700,"noise_level":-29.124317,"freq_skew":0.706880,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":19500,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734801,"usec":145978},"freq":136975000,"burst_len_octets":176,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905258,"noise_level":-29.099520,"freq_skew":0.676584,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"A9","blk_id":"K","ack":"!","msg_text":"/MADAAYA.TI2/LEMG ATIS ARR M 2030Z\r\nRWY IN USE FOR ARR 12 AND FOR DEP 13\r\nTRL FL145\r\nTWR FREQ 118.780 , TRAFFIC ARRIVING\r\nAFTER 2100 EXPECT RUNWAY 13\r\nWIND 120 DEG 7 KT .\r\nCAVOK.\r\nT25 DP23\r\nQNH 1012HPA\r\nNOSIG\r\nTAIL 20 KTS REPORTED ON FINAL APCH UP\r\nTO 2500 FT FOR RWY 12\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR M\r\nD37C\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734801,"usec":147974},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.899841,"noise_level":-28.976583,"freq_skew":-0.645620,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[237,105,113,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734801,"usec":149370},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.655349,"noise_level":-28.879471,"freq_skew":-2.292699,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,27,82,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734801,"usec":149854},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011709,"noise_level":-29.227455,"freq_skew":1.179542,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43398,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[211,32]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734801,"usec":901987},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.390974,"noise_level":-28.786509,"freq_skew":0.600258,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734801,"usec":903504},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.407724,"noise_level":-28.667896,"freq_skew":-0.916654,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734801,"usec":903598},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.894878,"noise_level":-28.667896,"freq_skew":1.880870,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734802,"usec":667389},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.320931,"noise_level":-28.321468,"freq_skew":1.965783,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":774,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43322,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[198,175,136,228]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734802,"usec":669669},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.441527,"noise_level":-28.164410,"freq_skew":1.649017,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":731,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[132,151,132,39]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734802,"usec":672081},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303343,"noise_level":-28.010141,"freq_skew":1.724997,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734802,"usec":675793},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646459,"noise_level":-27.794403,"freq_skew":1.466074,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"U215KW","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734803,"usec":433462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.558748,"noise_level":-28.744045,"freq_skew":0.540474,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734803,"usec":435808},"freq":136975000,"burst_len_octets":176,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.916534,"noise_level":-28.579235,"freq_skew":0.432726,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"A9","blk_id":"K","ack":"!","msg_text":"S REPORTED ON FINAL APCH UP\r\nTO 2500 FT FOR RWY 12\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR M\r\nD37C\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734803,"usec":438449},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.606676,"noise_level":-28.417492,"freq_skew":1.287001,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGJ","mode":"2","label":"_d","blk_id":"3","ack":"K","flight":"U215KW","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734803,"usec":439196},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646592,"noise_level":-28.394630,"freq_skew":0.629224,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":19500,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734804,"usec":189361},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.645075,"noise_level":-28.058722,"freq_skew":0.963433,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":793,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[240,167,171,99]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734804,"usec":190450},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336083,"noise_level":-27.993073,"freq_skew":0.727152,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734804,"usec":190871},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.762555,"noise_level":-27.971298,"freq_skew":1.440265,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":807,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,67,107,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734804,"usec":192087},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.671915,"noise_level":-27.884747,"freq_skew":2.732623,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734804,"usec":192471},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.161308,"noise_level":-27.863243,"freq_skew":0.955666,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734804,"usec":192708},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718176,"noise_level":-27.863243,"freq_skew":-1.814494,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":528,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734804,"usec":955482},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.603916,"noise_level":-27.567644,"freq_skew":-2.445529,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,27,82,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734804,"usec":958645},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.126936,"noise_level":-27.382795,"freq_skew":1.348002,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":824,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[219,106,22,182]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1599,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[62,36,163,73]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734805,"usec":721100},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472648,"noise_level":-27.102852,"freq_skew":0.531913,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":19609,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734805,"usec":723871},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.401912,"noise_level":-26.946842,"freq_skew":0.682738,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20056,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":79,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[247,162,211,249]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734805,"usec":724320},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.631705,"noise_level":-26.927536,"freq_skew":0.476374,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20057,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32644,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[113,59,32,141]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT SEVILLA","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":133.350000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734805,"usec":726573},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203167,"noise_level":-26.812595,"freq_skew":2.056654,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[42,138,11,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734805,"usec":729273},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.948185,"noise_level":-26.699158,"freq_skew":2.163337,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734806,"usec":478076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.852458,"noise_level":-26.513325,"freq_skew":1.250731,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734806,"usec":479446},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.268867,"noise_level":-26.440088,"freq_skew":0.553949,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"405631","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734806,"usec":484154},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.021068,"noise_level":-26.224018,"freq_skew":1.862983,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMZ","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"FR04VH","msg_num":"M33","msg_num_seq":"A","msg_text":"203325,37998,2223, 135,N 41.655 W  7.016"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734807,"usec":242452},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.803493,"noise_level":-27.130886,"freq_skew":-0.566124,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":41.600002,"lon":-5.000000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734807,"usec":243702},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.733617,"noise_level":-27.071861,"freq_skew":0.632087,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734807,"usec":244303},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904029,"noise_level":-27.339767,"freq_skew":-0.455393,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":445,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[118,47,217,240]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734807,"usec":246318},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.347387,"noise_level":-27.239246,"freq_skew":-0.475172,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"TP05AS","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734807,"usec":247522},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.267993,"noise_level":-28.327188,"freq_skew":0.627309,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734808,"usec":2452},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.847756,"noise_level":-28.103535,"freq_skew":-0.375401,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250721","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,209,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734808,"usec":4216},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.324558,"noise_level":-28.940601,"freq_skew":0.503778,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMZ","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734808,"usec":4985},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517028,"noise_level":-28.892113,"freq_skew":0.687029,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22250721","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734808,"usec":770844},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.782484,"noise_level":-28.375851,"freq_skew":-2.456523,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,27,82,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734808,"usec":774497},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.015988,"noise_level":-28.195469,"freq_skew":-0.390227,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734808,"usec":775686},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.680779,"noise_level":-28.106667,"freq_skew":0.569955,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20057,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32644,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[113,59,32,141]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT SEVILLA","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":133.350000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734808,"usec":777214},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.055121,"noise_level":-28.018761,"freq_skew":2.053837,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734809,"usec":523152},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.382318,"noise_level":-27.910116,"freq_skew":0.436000,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"_d","blk_id":"Z","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734809,"usec":523920},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.952538,"noise_level":-27.867035,"freq_skew":-0.158891,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":747,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[162,154,91,170]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734809,"usec":528852},"freq":136975000,"burst_len_octets":118,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630489,"noise_level":-27.612946,"freq_skew":0.568787,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OEA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"NT6074","msg_num":"C38","msg_num_seq":"A","sublabel":"CF","msg_text":"MM203313072811739.36258/-4.52778\r\n20310816  144218\r\n20325706  144218\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734810,"usec":291833},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.645891,"noise_level":-27.265253,"freq_skew":0.922496,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1603,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[132,200,42,81]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":27}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734810,"usec":294381},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.815375,"noise_level":-27.165583,"freq_skew":-0.300545,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734811,"usec":49423},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.952532,"noise_level":-27.543739,"freq_skew":1.040475,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43272,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[205,117]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734811,"usec":50118},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692194,"noise_level":-27.523064,"freq_skew":0.595780,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53624,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[75,228,226,93]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734811,"usec":52378},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.486667,"noise_level":-27.379684,"freq_skew":0.494402,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53625,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[129,154,7,32]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734811,"usec":812095},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491298,"noise_level":-26.905329,"freq_skew":1.029008,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":376,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[84,144,194,201]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734811,"usec":815899},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.514259,"noise_level":-26.733917,"freq_skew":0.677008,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20057,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32644,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[113,59,32,141]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT SEVILLA","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":133.350000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734812,"usec":569469},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.265803,"noise_level":-27.450027,"freq_skew":1.260211,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":825,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1599,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,93,91,121]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734812,"usec":570048},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.148362,"noise_level":-27.409163,"freq_skew":0.364238,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734812,"usec":572781},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.749905,"noise_level":-27.247608,"freq_skew":0.561906,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53627,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[103,166,213,158]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":29}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LPPC,LISBOA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734812,"usec":576971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.570577,"noise_level":-27.049797,"freq_skew":1.243133,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734813,"usec":336889},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885690,"noise_level":-26.971916,"freq_skew":0.608459,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43325,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[12,57,82,125]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734813,"usec":340031},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.644236,"noise_level":-26.780220,"freq_skew":1.196845,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[169,93,244,116]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1603,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[253,136,85,130]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734813,"usec":341662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.540627,"noise_level":-26.723526,"freq_skew":-1.811021,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734813,"usec":342280},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618927,"noise_level":-26.704710,"freq_skew":0.613143,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"H1","blk_id":"G","ack":"!","msg_text":".HAM43LH 282033 MESX142 JUL25\r\nDFD\r\nAN CS-TVG\r\n- #DFREQ19\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734813,"usec":342954},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.860611,"noise_level":-26.685934,"freq_skew":1.414953,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734813,"usec":343026},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554152,"noise_level":-26.667198,"freq_skew":-0.862369,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734813,"usec":344237},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459720,"noise_level":-26.611237,"freq_skew":0.963651,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"6","ack":"G","flight":"TP0646","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":91277},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.407295,"noise_level":-27.286324,"freq_skew":0.593781,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53631,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[160,177,21,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":92999},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730835,"noise_level":-27.589142,"freq_skew":0.895777,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":93258},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796010,"noise_level":-28.136101,"freq_skew":2.766897,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.600000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":93487},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641904,"noise_level":-28.113966,"freq_skew":1.241996,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":826,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1599,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[79,10,17,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":94034},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090118,"noise_level":-28.091888,"freq_skew":-0.860546,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[49,202,15,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":97986},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.328932,"noise_level":-27.895668,"freq_skew":0.583924,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":99352},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.585735,"noise_level":-27.852659,"freq_skew":2.570023,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHS","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"U279YV","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":856132},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167807,"noise_level":-27.852659,"freq_skew":1.773443,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5569,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[182,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":856262},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561119,"noise_level":-27.852659,"freq_skew":2.799303,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20073207","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,118,135,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":859295},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209143,"noise_level":-27.947456,"freq_skew":0.493508,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":860554},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.966508,"noise_level":-27.904190,"freq_skew":0.963575,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":863750},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.893123,"noise_level":-28.266087,"freq_skew":1.970002,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"5U","blk_id":"5","ack":"!","flight":"U265RF","msg_num":"M21","msg_num_seq":"A","msg_text":" LTN-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734814,"usec":865446},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.774363,"noise_level":-28.289091,"freq_skew":0.634175,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[235,226,218,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734815,"usec":625515},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.122429,"noise_level":-28.044445,"freq_skew":-0.900977,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43252,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[98,107,148,180]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734815,"usec":625722},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826163,"noise_level":-28.044445,"freq_skew":2.531977,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734815,"usec":626127},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.540542,"noise_level":-28.589752,"freq_skew":0.558293,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734815,"usec":632770},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.451913,"noise_level":-28.291374,"freq_skew":0.443909,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20075,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32644,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[101,137,99,183]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734816,"usec":385515},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.717221,"noise_level":-28.586227,"freq_skew":1.633801,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":700,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[122,36,232,211]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43348,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[110,26,195,86]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734816,"usec":386438},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438199,"noise_level":-28.539673,"freq_skew":0.544667,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34926,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8278,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[212,225,12,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734816,"usec":388040},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.492824,"noise_level":-28.447300,"freq_skew":0.730756,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":87,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[145,147,73,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734816,"usec":390904},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.571721,"noise_level":-28.639204,"freq_skew":-0.687167,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734816,"usec":392130},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.063303,"noise_level":-28.569038,"freq_skew":-2.187475,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":752,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30805,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[71,53,229,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734817,"usec":145429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.213474,"noise_level":-28.316496,"freq_skew":0.597695,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734817,"usec":149072},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.244210,"noise_level":-28.137333,"freq_skew":0.715031,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734817,"usec":154976},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.275686,"noise_level":-27.893986,"freq_skew":1.920695,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734817,"usec":919209},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.556083,"noise_level":-27.411882,"freq_skew":2.941335,"avlc":{"src":{"addr":"440614","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734818,"usec":673861},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083989,"noise_level":-27.170586,"freq_skew":1.911145,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"_d","blk_id":"6","ack":"W","flight":"U265RF","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734818,"usec":680607},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.162291,"noise_level":-26.858944,"freq_skew":2.606330,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734820,"usec":200463},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.807318,"noise_level":-25.917030,"freq_skew":3.277205,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43413,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[220,218,156,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734820,"usec":961025},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667746,"noise_level":-25.797691,"freq_skew":0.970728,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[76,68,233,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734821,"usec":711863},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.244421,"noise_level":-25.449203,"freq_skew":0.599132,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734821,"usec":712235},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.878583,"noise_level":-25.432953,"freq_skew":-2.112016,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":49,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43409,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[162,215,48,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734821,"usec":713074},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-14.071167,"noise_level":-25.416735,"freq_skew":3.034421,"avlc":{"src":{"addr":"440614","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225,1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734821,"usec":717754},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826379,"noise_level":-25.240280,"freq_skew":1.923411,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":701,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43348,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[52,139,93,132]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734821,"usec":720915},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.550993,"noise_level":-25.176992,"freq_skew":1.812061,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5570,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[133,34]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734822,"usec":482122},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.117473,"noise_level":-24.959051,"freq_skew":2.468535,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734822,"usec":486680},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.223586,"noise_level":-24.821779,"freq_skew":2.013335,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[45,6]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734823,"usec":249391},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625544,"noise_level":-25.220848,"freq_skew":3.308768,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43413,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[220,218,156,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734824,"usec":760721},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.832408,"noise_level":-24.728086,"freq_skew":0.972679,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":645,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[126,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734824,"usec":761452},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.746155,"noise_level":-25.714272,"freq_skew":1.368637,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":615,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[146,222,56,19]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734824,"usec":762348},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.995607,"noise_level":-25.893305,"freq_skew":1.435619,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8445,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734824,"usec":763815},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.317530,"noise_level":-25.842096,"freq_skew":-0.756341,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43252,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[198,129,66,196]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734824,"usec":764681},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.038262,"noise_level":-25.825096,"freq_skew":1.466279,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":808,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[238,242,146,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734824,"usec":766729},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.861798,"noise_level":-25.757418,"freq_skew":1.888894,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":701,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43348,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[52,139,93,132]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734824,"usec":768399},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.344161,"noise_level":-25.723778,"freq_skew":1.862839,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3744,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1502,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[40,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734824,"usec":770138},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.550759,"noise_level":-25.656881,"freq_skew":0.587652,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20087,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32644,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[186,86,149,98]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734824,"usec":770684},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.636380,"noise_level":-25.640238,"freq_skew":0.547883,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734825,"usec":527578},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.697392,"noise_level":-25.590496,"freq_skew":1.130126,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2051,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[137,88]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734825,"usec":530128},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.316393,"noise_level":-25.781387,"freq_skew":0.453865,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[45,128,223,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734825,"usec":532347},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.741054,"noise_level":-25.714050,"freq_skew":2.016735,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3745,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1502,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[85,190]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734825,"usec":533988},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.323888,"noise_level":-25.647230,"freq_skew":1.252772,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":565,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[123,176,147,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734825,"usec":534502},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.739424,"noise_level":-25.630606,"freq_skew":0.485758,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20089,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32644,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[198,38,109,166]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734826,"usec":294979},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716557,"noise_level":-25.891417,"freq_skew":-0.966581,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734826,"usec":296251},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.353800,"noise_level":-25.840221,"freq_skew":1.235485,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734826,"usec":298518},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.288220,"noise_level":-26.362003,"freq_skew":0.625840,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734826,"usec":300901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.409565,"noise_level":-26.700779,"freq_skew":1.759753,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734826,"usec":303517},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.251700,"noise_level":-26.570253,"freq_skew":0.451507,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":47806},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.721471,"noise_level":-26.459919,"freq_skew":-0.680252,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":416,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[209,190,170,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":56183},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.094710,"noise_level":-26.972332,"freq_skew":1.911981,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":56740},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.883830,"noise_level":-27.352812,"freq_skew":-0.927923,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[134,151,65,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":57065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304487,"noise_level":-27.352812,"freq_skew":0.614417,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":820884},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.642498,"noise_level":-27.506773,"freq_skew":1.148230,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.500000,"lon":-6.100000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":821188},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.081837,"noise_level":-28.309431,"freq_skew":0.497893,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":34947,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[37,227,7,110]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":822070},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480036,"noise_level":-28.264328,"freq_skew":0.623105,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[45,128,223,224]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":822240},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.315513,"noise_level":-28.241863,"freq_skew":0.486198,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":822700},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.338201,"noise_level":-28.219460,"freq_skew":1.381049,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":824435},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635025,"noise_level":-28.130409,"freq_skew":0.797393,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":88,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30821,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[227,80,110,148]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734827,"usec":825465},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.698457,"noise_level":-28.086226,"freq_skew":0.575571,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":887,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734828,"usec":574783},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466339,"noise_level":-27.998526,"freq_skew":1.355841,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":566,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[178,171,187,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734828,"usec":581076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.248850,"noise_level":-27.677319,"freq_skew":0.476973,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734828,"usec":582010},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.114645,"noise_level":-28.024555,"freq_skew":0.679000,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734828,"usec":582519},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780308,"noise_level":-28.002703,"freq_skew":0.193846,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":295,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734828,"usec":582929},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.357144,"noise_level":-27.980904,"freq_skew":0.678917,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734829,"usec":341771},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.717129,"noise_level":-27.618475,"freq_skew":0.554480,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":20283,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734830,"usec":106496},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.601456,"noise_level":-27.230534,"freq_skew":1.534223,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":280,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734830,"usec":106719},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753851,"noise_level":-27.230534,"freq_skew":1.963681,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734830,"usec":113869},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925459,"noise_level":-26.897535,"freq_skew":1.860541,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":702,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[237,195,227,195]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734830,"usec":863595},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.903710,"noise_level":-26.878338,"freq_skew":0.714872,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734831,"usec":622427},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591749,"noise_level":-26.375450,"freq_skew":1.230364,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":566,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[178,171,187,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734831,"usec":631365},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.376857,"noise_level":-25.986185,"freq_skew":0.477980,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440031","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734832,"usec":380785},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557016,"noise_level":-26.318769,"freq_skew":0.659649,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,75,169,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734832,"usec":387400},"freq":136975000,"burst_len_octets":181,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.305387,"noise_level":-26.035769,"freq_skew":1.910076,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.100002,"lon":-3.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734832,"usec":387400},"freq":136975000,"burst_len_octets":181,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.305387,"noise_level":-26.035769,"freq_skew":1.910076,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVW","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EC7050","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734832,"usec":387400},"freq":136975000,"burst_len_octets":181,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.305387,"noise_level":-26.035769,"freq_skew":1.910076,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000772","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,1,250,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734833,"usec":156002},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240085,"noise_level":-25.561678,"freq_skew":-1.988186,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"VY03RB","msg_num":"M10","msg_num_seq":"A","msg_text":"/LEST.TI2/040LESTACAE8"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734833,"usec":910119},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610468,"noise_level":-25.430843,"freq_skew":1.324080,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":42.700001,"lon":-2.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734833,"usec":910968},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819734,"noise_level":-25.398441,"freq_skew":1.169587,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVC","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC13CQ","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734833,"usec":910968},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.819734,"noise_level":-25.398441,"freq_skew":1.169587,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734833,"usec":911455},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.005004,"noise_level":-26.107365,"freq_skew":-1.865095,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1555,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[65,140,154,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734833,"usec":911689},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488147,"noise_level":-26.609951,"freq_skew":1.823892,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":702,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[237,195,227,195]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734833,"usec":914525},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.972550,"noise_level":-26.499109,"freq_skew":1.030990,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"TP048M","msg_num":"M04","msg_num_seq":"A","msg_text":"/LPFR.TI2/024LPFRAC8BB"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734833,"usec":915080},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.150800,"noise_level":-26.480772,"freq_skew":0.618462,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53649,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,43,51,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734833,"usec":915913},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.583382,"noise_level":-26.462475,"freq_skew":1.775724,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734833,"usec":918228},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.849887,"noise_level":-26.353489,"freq_skew":1.650685,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":620,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734834,"usec":678831},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461929,"noise_level":-26.157166,"freq_skew":-0.013428,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"TP19UT","msg_num":"M09","msg_num_seq":"A","msg_text":"203353,31077,2115,451.3, 4170,N3939.25 W00611.91"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734834,"usec":680103},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.244954,"noise_level":-26.305923,"freq_skew":-2.178372,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43370,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[99,88,52,153]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734834,"usec":683758},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.286063,"noise_level":-26.517017,"freq_skew":0.684292,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40643A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734834,"usec":684663},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409482,"noise_level":-26.517017,"freq_skew":-1.885249,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"_d","blk_id":"4","ack":"P","flight":"VY03RB","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734834,"usec":687200},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.515748,"noise_level":-26.631048,"freq_skew":1.730429,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734835,"usec":431727},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562219,"noise_level":-26.575317,"freq_skew":0.323659,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[24,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734835,"usec":431931},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.478726,"noise_level":-26.575317,"freq_skew":0.569248,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734835,"usec":432501},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.199240,"noise_level":-27.133461,"freq_skew":0.175996,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":138,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734835,"usec":433753},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.239605,"noise_level":-27.074423,"freq_skew":0.570126,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,75,169,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734835,"usec":437013},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574789,"noise_level":-26.918919,"freq_skew":0.479722,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[218,124]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734835,"usec":437138},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.022264,"noise_level":-26.918919,"freq_skew":1.898675,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":363,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[222,86,205,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734835,"usec":438328},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.395528,"noise_level":-26.861315,"freq_skew":0.462298,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734835,"usec":439738},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340114,"noise_level":-26.785099,"freq_skew":-0.248892,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734836,"usec":197304},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.046910,"noise_level":-26.728374,"freq_skew":1.375877,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCRR"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-7.700000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734836,"usec":197612},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.948646,"noise_level":-27.092421,"freq_skew":1.111036,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.500000,"lon":-6.100000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734836,"usec":201584},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.054340,"noise_level":-26.898075,"freq_skew":0.646679,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734836,"usec":949292},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.184783,"noise_level":-26.633095,"freq_skew":1.417066,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"U285XQ","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734836,"usec":949292},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.184783,"noise_level":-26.633095,"freq_skew":1.417066,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062072","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,100,58,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734836,"usec":950158},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.389567,"noise_level":-26.595894,"freq_skew":1.031814,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734836,"usec":952982},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967430,"noise_level":-26.466923,"freq_skew":1.064481,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVC","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC13CQ","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734836,"usec":952982},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.967430,"noise_level":-26.466923,"freq_skew":1.064481,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,49,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734836,"usec":958228},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.019956,"noise_level":-26.715248,"freq_skew":0.085627,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734837,"usec":719351},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.183053,"noise_level":-26.529072,"freq_skew":1.388394,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734837,"usec":719710},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.362771,"noise_level":-26.743765,"freq_skew":0.524472,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20102,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[207,96,242,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734837,"usec":722858},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.578906,"noise_level":-26.668570,"freq_skew":1.610777,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734837,"usec":723553},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.338583,"noise_level":-26.649872,"freq_skew":0.712182,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20103,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[117,6,121,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734837,"usec":723845},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.702946,"noise_level":-26.631214,"freq_skew":0.562248,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":888,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[218,178,125,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734837,"usec":724019},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597234,"noise_level":-26.631214,"freq_skew":-2.816152,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":67,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[118,82,182,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734837,"usec":727974},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.664605,"noise_level":-26.819956,"freq_skew":1.184655,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[223,203,167,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734838,"usec":485140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.318593,"noise_level":-26.907219,"freq_skew":1.450441,"avlc":{"src":{"addr":"400AFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734838,"usec":491793},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.102047,"noise_level":-26.698130,"freq_skew":0.503678,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734838,"usec":494280},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.582431,"noise_level":-26.623325,"freq_skew":0.663767,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":20511,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734838,"usec":497018},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.156430,"noise_level":-27.147329,"freq_skew":0.674576,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734838,"usec":498047},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.413560,"noise_level":-27.088194,"freq_skew":1.604550,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734839,"usec":240633},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523107,"noise_level":-26.855610,"freq_skew":-0.044776,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734839,"usec":243497},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274784,"noise_level":-26.779444,"freq_skew":-1.967834,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"_d","blk_id":"5","ack":"Q","flight":"VY03RB","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734839,"usec":246134},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.731523,"noise_level":-26.685165,"freq_skew":-0.472334,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":491,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734839,"usec":248365},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.297585,"noise_level":-26.629087,"freq_skew":0.802262,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVG","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"TP0646","msg_num":"D04","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,006673,1,1,TB000000/REP019,85,01,1/CCCS-TVG,JUL28,203332,LPPT,EBBR,0646/C0TFC040TP060303/C106,08601,8100,41,0010,0,0100,41,0/CE-158,31978,264,732,6392,309,F22P06/EC599437,00222,00088,73,15,032/EE598705"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734840,"usec":4695},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.819384,"noise_level":-26.820910,"freq_skew":0.406266,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734840,"usec":5266},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.772313,"noise_level":-27.817652,"freq_skew":-1.865342,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":529,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[153,152,72,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734840,"usec":15450},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.163767,"noise_level":-27.523577,"freq_skew":0.606277,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734840,"usec":16668},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.910992,"noise_level":-28.073053,"freq_skew":1.133799,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"_d","blk_id":"0","ack":"L","flight":"TP048M","msg_num":"M05","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734840,"usec":767197},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.113356,"noise_level":-28.063686,"freq_skew":0.869873,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":794,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[145,236,119,92]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43282,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[87,105,125,195]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734840,"usec":775297},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.381168,"noise_level":-28.745813,"freq_skew":0.606212,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"X","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734840,"usec":779592},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.271538,"noise_level":-28.580969,"freq_skew":0.864812,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVG","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"TP0646","msg_num":"D04","msg_num_seq":"B","sublabel":"DF","msg_text":",00222,00088,73/E10784,0995,36,160,007,000,026,0/N10784,0999,36,157,009,000,022,0/S11649,4736,008,004,205,31,31974,2/T11705,4802,003,-07,200,32,31998,2/V1-153,-403,05968,00096,220,218,218,0/X12481,00000,078"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734841,"usec":526975},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.054961,"noise_level":-28.419193,"freq_skew":-0.393838,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":748,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734841,"usec":528624},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.818358,"noise_level":-28.305456,"freq_skew":-2.410566,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":208,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[104,247,109,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734841,"usec":528844},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923051,"noise_level":-28.282888,"freq_skew":0.488921,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734841,"usec":530930},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.386555,"noise_level":-28.215527,"freq_skew":0.489093,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"Y","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734841,"usec":531847},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103697,"noise_level":-28.666876,"freq_skew":1.127410,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734842,"usec":297159},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203193,"noise_level":-28.480419,"freq_skew":0.823103,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVG","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"TP0646","msg_num":"D04","msg_num_seq":"C","sublabel":"DF","msg_text":",019,040,031,007,2/E20805,1006,38,162,007,000,028,0/N20806,1011,38,158,009,000,025,0/E30819,1010,39,165,007,000,029,0/N30819,1013,38,161,009,000,026,0/S31818,4975,008,006,196,34,31983,2/E40836,1018,39,166,0"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":49553},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.288755,"noise_level":-28.009195,"freq_skew":0.678635,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":50355},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.507467,"noise_level":-27.943916,"freq_skew":0.603321,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":52934},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727623,"noise_level":-27.750973,"freq_skew":-0.189104,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":491,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":57944},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.243574,"noise_level":-27.687599,"freq_skew":-0.345693,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":198,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[151,198,18,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":60428},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408446,"noise_level":-27.944008,"freq_skew":1.970113,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":42.100002,"lon":-8.200000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":817058},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.694119,"noise_level":-27.814901,"freq_skew":0.469339,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495213","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":20635,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":817675},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.999599,"noise_level":-27.772291,"freq_skew":1.045404,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":794,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[145,236,119,92]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43282,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[87,105,125,195]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":33,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":819515},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.161225,"noise_level":-27.645693,"freq_skew":0.447448,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":820703},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.838888,"noise_level":-27.562311,"freq_skew":2.466284,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":40.700001,"lon":-6.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":825178},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.915620,"noise_level":-27.916224,"freq_skew":0.543671,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734843,"usec":825942},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.857068,"noise_level":-27.916224,"freq_skew":0.970888,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.500000,"lon":-6.100000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734844,"usec":571347},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.096179,"noise_level":-27.766264,"freq_skew":2.787660,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHS","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"U279YV","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734844,"usec":571347},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.096179,"noise_level":-27.766264,"freq_skew":2.787660,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20073207","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,118,135,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734844,"usec":572748},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.503064,"noise_level":-27.681721,"freq_skew":0.510126,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20073207","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734844,"usec":576781},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031253,"noise_level":-28.028948,"freq_skew":1.233674,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC45FP","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734844,"usec":576781},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.031253,"noise_level":-28.028948,"freq_skew":1.233674,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006301","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,74,85,0,68,12,193,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734845,"usec":338338},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.003402,"noise_level":-27.727757,"freq_skew":0.110649,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734845,"usec":339507},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.100337,"noise_level":-27.643585,"freq_skew":2.584659,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734845,"usec":344713},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.266310,"noise_level":-28.047056,"freq_skew":1.099072,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734845,"usec":345410},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.651759,"noise_level":-28.025146,"freq_skew":0.591707,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHS","mode":"2","label":"_d","blk_id":"Y","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734845,"usec":347091},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.026409,"noise_level":-27.959747,"freq_skew":-0.363855,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":749,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[102,203,57,133]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[200,151,136,114]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734846,"usec":99754},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.612921,"noise_level":-27.745245,"freq_skew":0.484170,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"Z","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734846,"usec":105396},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.228706,"noise_level":-27.955675,"freq_skew":0.689622,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVG","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"TP0646","msg_num":"D04","msg_num_seq":"D","sublabel":"DF","msg_text":"07,000,026,0/N40836,1021,39,162,008,000,024,0/T41998,5107,004,-06,196,37,31999,2/E50813,1006,39,169,007,000,027,0/N50812,1010,39,164,008,000,024,0/E60800,1001,38,170,007,000,025,0/N60800,1006,39,165,008,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734846,"usec":106772},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.093033,"noise_level":-28.915478,"freq_skew":2.773567,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734846,"usec":857135},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452752,"noise_level":-28.867126,"freq_skew":0.671358,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20114,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[22,119,195,129]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734846,"usec":858550},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.664743,"noise_level":-28.849628,"freq_skew":-0.170767,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[174,65,193,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734846,"usec":861193},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.172798,"noise_level":-28.820538,"freq_skew":0.479715,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734847,"usec":619671},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179727,"noise_level":-28.468094,"freq_skew":0.545534,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734847,"usec":626060},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.535528,"noise_level":-28.151566,"freq_skew":0.446685,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"X","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734848,"usec":384630},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.406734,"noise_level":-28.081505,"freq_skew":0.862839,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVG","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"TP0646","msg_num":"D04","msg_num_seq":"E","sublabel":"DF","msg_text":",023,0/T61800,4896,004,-06,198,34,31998,2/E80813,1008,39,173,007,000,026,0/N80813,1012,39,170,008,000,024,0/E90782,0993,39,175,007,000,025,0/N90782,0998,39,172,008,000,022,0/S91648,4687,010,005,198,31,31978"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734848,"usec":394163},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.559555,"noise_level":-27.672815,"freq_skew":0.716606,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734849,"usec":139815},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.325808,"noise_level":-27.792381,"freq_skew":0.947706,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVG","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP0646","msg_num":"D04","msg_num_seq":"F","sublabel":"DF","msg_text":",2/N00790,1002,39,174,008,000,025,0/1N0779,0997,41,175,008,000,023,0/2E0791,0999,41,181,007,000,025,0/2N0791,1004,41,178,009,000,024,0/2S1691,4740,012,005,202,31,31978,2/2T1760,4828,008,-08,195,32,32000,2/2"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734849,"usec":141472},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.464197,"noise_level":-27.686516,"freq_skew":-0.367393,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":749,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[102,203,57,133]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[200,151,136,114]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734849,"usec":150070},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695868,"noise_level":-27.478573,"freq_skew":2.044264,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3746,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1502,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[251,131]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734849,"usec":153486},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.246187,"noise_level":-28.290672,"freq_skew":0.613216,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734849,"usec":907875},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.876481,"noise_level":-28.112034,"freq_skew":-0.198531,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734849,"usec":908485},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518656,"noise_level":-28.067944,"freq_skew":1.980305,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3747,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43382,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[56,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734849,"usec":908647},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.707828,"noise_level":-28.067944,"freq_skew":0.633109,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734850,"usec":667477},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864311,"noise_level":-27.840155,"freq_skew":0.996205,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":795,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43282,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[207,137,155,12]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734850,"usec":669264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.650800,"noise_level":-27.712572,"freq_skew":-0.284508,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734850,"usec":671775},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.496541,"noise_level":-27.991877,"freq_skew":2.028781,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3748,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":28,"dst_ref":1502,"variable_part_params":[{"name":"checksum","value":[140,227]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734850,"usec":679258},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.270682,"noise_level":-28.563444,"freq_skew":1.787823,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":42.100002,"lon":-8.200000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734851,"usec":432434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.496208,"noise_level":-28.540195,"freq_skew":0.873141,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734851,"usec":432652},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.241097,"noise_level":-28.540195,"freq_skew":0.309101,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":301,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734851,"usec":434433},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.043194,"noise_level":-28.401993,"freq_skew":-0.259657,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPW","mode":"2","label":"44","blk_id":"5","ack":"!","flight":"TP1325","msg_num":"M55","msg_num_seq":"A","msg_text":"TOD,203409,36578,2112,442.8, 3700,N4023.84,W00833.16"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734851,"usec":439608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.127739,"noise_level":-28.243484,"freq_skew":1.155360,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734851,"usec":442248},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013079,"noise_level":-28.176430,"freq_skew":-0.317380,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":750,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[121,235,23,221]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":10}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734851,"usec":446102},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.245576,"noise_level":-28.021948,"freq_skew":0.883029,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734852,"usec":192544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.185713,"noise_level":-27.956573,"freq_skew":0.644348,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734852,"usec":205443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823380,"noise_level":-27.512236,"freq_skew":1.870815,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734852,"usec":954866},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.490067,"noise_level":-27.348768,"freq_skew":-0.206519,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734852,"usec":956513},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.989113,"noise_level":-27.248142,"freq_skew":1.019721,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734852,"usec":956513},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.989113,"noise_level":-27.248142,"freq_skew":1.019721,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":796,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[230,185,169,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734852,"usec":960665},"freq":136975000,"burst_len_octets":121,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.104707,"noise_level":-27.148668,"freq_skew":0.958690,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"TP0646","msg_num":"D04","msg_num_seq":"G","sublabel":"DF","msg_text":"A320,006673,1,1,TB000000/REP019,85,01,1/CCCS-TVG,JUL28,203332,LPPT,EBBR,0646/C0TFC040TP060303/C106,08601,8100,41,0010,0,0100,41,0/CE-158,31978,264,732,6392,309,F22P06/EC599437,00222,00088,73,15,032/EE598705,00222,00088,73/E10784,0995,36,160,007,000,026,0/N10784,0999,36,157,009,000,022,0/S11649,4736,008,004,205,31,31974,2/T11705,4802,003,-07,200,32,31998,2/V1-153,-403,05968,00096,220,218,218,0/X12481,00000,078,019,040,031,007,2/E20805,1006,38,162,007,000,028,0/N20806,1011,38,158,009,000,025,0/E30819,1010,39,165,007,000,029,0/N30819,1013,38,161,009,000,026,0/S31818,4975,008,006,196,34,31983,2/E40836,1018,39,166,007,000,026,0/N40836,1021,39,162,008,000,024,0/T41998,5107,004,-06,196,37,31999,2/E50813,1006,39,169,007,000,027,0/N50812,1010,39,164,008,000,024,0/E60800,1001,38,170,007,000,025,0/N60800,1006,39,165,008,000,023,0/T61800,4896,004,-06,198,34,31998,2/E80813,1008,39,173,007,000,026,0/N80813,1012,39,170,008,000,024,0/E90782,0993,39,175,007,000,025,0/N90782,0998,39,172,008,000,022,0/S91648,4687,010,005,198,31,31978,2/N00790,1002,39,174,008,000,025,0/1N0779,0997,41,175,008,000,023,0/2E0791,0999,41,181,007,000,025,0/2N0791,1004,41,178,009,000,024,0/2S1691,4740,012,005,202,31,31978,2/2T1760,4828,008,-08,195,32,32000,2/2V-158,-408,05968,00096,220,218,218,0/2X2481,00000,078,022,046,029,009,2/:"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734852,"usec":961841},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.901927,"noise_level":-28.054996,"freq_skew":0.155314,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734852,"usec":962237},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.380175,"noise_level":-28.033068,"freq_skew":0.636816,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734852,"usec":964660},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.395345,"noise_level":-27.967609,"freq_skew":0.717933,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":70,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[179,18,24,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734852,"usec":965271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.660187,"noise_level":-27.945900,"freq_skew":-0.139118,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734853,"usec":724313},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.218711,"noise_level":-27.647524,"freq_skew":0.497512,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734853,"usec":724952},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.525123,"noise_level":-27.605724,"freq_skew":0.632575,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734853,"usec":725474},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.110963,"noise_level":-28.015152,"freq_skew":2.066703,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734853,"usec":728811},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.786488,"noise_level":-28.547918,"freq_skew":-1.095808,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EGNM"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-3.100000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734853,"usec":729536},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608473,"noise_level":-28.524714,"freq_skew":-0.273872,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":751,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[217,107,52,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734854,"usec":480103},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.478985,"noise_level":-28.478481,"freq_skew":0.522302,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53666,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":83,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[143,104,171,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734854,"usec":480987},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854909,"noise_level":-29.223463,"freq_skew":1.199969,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734854,"usec":483098},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.452776,"noise_level":-29.074049,"freq_skew":1.454847,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":821,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1614,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[181,238,157,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734854,"usec":484126},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.225689,"noise_level":-29.350107,"freq_skew":1.379603,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"_d","blk_id":"9","ack":"O","flight":"PC1561","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734854,"usec":484261},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011487,"noise_level":-29.324656,"freq_skew":0.705118,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[215,235]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LFBB"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734855,"usec":241336},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640297,"noise_level":-28.927288,"freq_skew":-1.196673,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFM","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LS0008","msg_num":"M30","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734855,"usec":241808},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.066295,"noise_level":-28.903048,"freq_skew":0.588179,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734855,"usec":249153},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.444152,"noise_level":-28.500959,"freq_skew":0.344000,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7365,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[192,48]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":7944},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.329473,"noise_level":-28.272842,"freq_skew":0.658014,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":70,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[179,18,24,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":8173},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.231746,"noise_level":-28.272842,"freq_skew":-2.567641,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"X90318","msg_num":"M28","msg_num_seq":"A","msg_text":"203413,36975,2134,   6,N 40.184 W  3.544"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":8284},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691267,"noise_level":-28.250359,"freq_skew":-2.249745,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AISC","mode":"2","label":"H2","blk_id":"3","ack":"!","flight":"LH048X","msg_num":"M21","msg_num_seq":"A","msg_text":"66XV V)WOOZDGGZNM3J31E0077Y)G5Y)5H** M54**1071ZKKJJ+Q):)*J,SS131HB6H1YYTH )OH*4IS5*G  KKZH7MY5YCTTSS56195I7V6I477O53TTM:7LL  CJHS7V9NXXG72I323T55SSM44X77527MBJJMMRNM54*SUS031292XVVYYT3 )HE55:SMSG  KKZH77T*OCTSM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":9086},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.504516,"noise_level":-28.205563,"freq_skew":0.182015,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7366,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43309,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[121,81]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":13799},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.734219,"noise_level":-28.183250,"freq_skew":1.602606,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5571,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":22,"dst_ref":43422,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,109]},{"name":"called_responding_transport_selector","value":[1,1]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[194,52]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":14730},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.354430,"noise_level":-28.138798,"freq_skew":0.665568,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"X","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":16449},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.244700,"noise_level":-28.072540,"freq_skew":0.468863,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":16615},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088284,"noise_level":-28.050568,"freq_skew":-0.106393,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPW","mode":"2","label":"_d","blk_id":"6","ack":"C","flight":"TP1325","msg_num":"M56","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":761249},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.326398,"noise_level":-27.919882,"freq_skew":0.567745,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20129,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":6,"variable_part_params":[{"name":"checksum","value":[31,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":763546},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.772210,"noise_level":-27.727467,"freq_skew":0.986316,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":796,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[230,185,169,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":763836},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.666989,"noise_level":-27.727467,"freq_skew":0.544054,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53670,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":18,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[2,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":764043},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358150,"noise_level":-27.706347,"freq_skew":2.172012,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":766035},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.219899,"noise_level":-27.622383,"freq_skew":0.858794,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734856,"usec":769355},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.528714,"noise_level":-27.559937,"freq_skew":0.553045,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[148,172,82,79]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734857,"usec":527743},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.540018,"noise_level":-27.395576,"freq_skew":-0.514993,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[108,117,106,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734857,"usec":530015},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.959786,"noise_level":-27.811642,"freq_skew":1.720564,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734857,"usec":530931},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.351037,"noise_level":-27.747824,"freq_skew":0.805289,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[115,110]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734857,"usec":534979},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.354712,"noise_level":-28.186203,"freq_skew":-2.477750,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734858,"usec":289068},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990314,"noise_level":-28.009678,"freq_skew":2.522650,"avlc":{"src":{"addr":"406755","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZWD","mode":"2","label":"H2","blk_id":"8","ack":"!","flight":"U213AR","msg_num":"M98","msg_num_seq":"B","msg_text":"4015G     288P257047012G     319P255071009G     354P247048007G     403P242079007G     447P227089008G     488P220108009G    /N38581W009033 716P175067015G    N39020W009027 929P160050015G    N39060W0090211078P1170"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734858,"usec":289621},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.355828,"noise_level":-27.987864,"freq_skew":0.512313,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734858,"usec":289928},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212533,"noise_level":-27.966103,"freq_skew":-0.064950,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPW","mode":"2","label":"_d","blk_id":"7","ack":"D","flight":"TP1325","msg_num":"M57","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734858,"usec":298636},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672241,"noise_level":-27.730267,"freq_skew":0.589816,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":21030,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734858,"usec":299640},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.375676,"noise_level":-27.688066,"freq_skew":1.779722,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5572,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43422,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[168,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734859,"usec":48582},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.371616,"noise_level":-27.541962,"freq_skew":0.714687,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":70,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[179,18,24,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734859,"usec":57769},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808970,"noise_level":-27.337414,"freq_skew":2.534865,"avlc":{"src":{"addr":"406755","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZWD","mode":"2","label":"H2","blk_id":"9","ack":"!","flight":"U213AR","msg_num":"M98","msg_num_seq":"C","msg_text":"25016G    N39103W0090141148P097004016G    N39151W0090061262P075000012G    N39205W0085981436P037359019G    N39257W0085901561P002356013G    N39311W0085821688M022000013G    N39367W0085731824M057333015G    N39421W0"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734859,"usec":60552},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.358571,"noise_level":-27.297075,"freq_skew":0.686996,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20129,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":6,"variable_part_params":[{"name":"checksum","value":[31,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734859,"usec":60711},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.132282,"noise_level":-27.297075,"freq_skew":0.464885,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734859,"usec":807912},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.091095,"noise_level":-27.117840,"freq_skew":1.495663,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,82,89,82,0,72,194,45,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":5573,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":23,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[107,194]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734859,"usec":808157},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.857406,"noise_level":-27.898771,"freq_skew":0.452531,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53671,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734859,"usec":809405},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.945704,"noise_level":-27.812937,"freq_skew":2.125095,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734859,"usec":816378},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.311321,"noise_level":-27.581167,"freq_skew":0.570582,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[63,44,154,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734859,"usec":817400},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724830,"noise_level":-27.539684,"freq_skew":-1.524310,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":754,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734860,"usec":575535},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.463729,"noise_level":-27.396032,"freq_skew":-0.430561,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[108,117,106,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734860,"usec":576351},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.383593,"noise_level":-27.355423,"freq_skew":2.012341,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3749,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[113,61]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734860,"usec":577204},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.820595,"noise_level":-27.294863,"freq_skew":2.688776,"avlc":{"src":{"addr":"406755","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZWD","mode":"2","label":"H2","blk_id":"0","ack":"!","flight":"U213AR","msg_num":"M98","msg_num_seq":"D","msg_text":"085641942M082346013G    N39480W0085552052M112358013G    N39539W0085462168M142350016G    N39597W0085372287M165331023G    N40055W0085282387M187326029G    N40115W0085182470M212320031G    N40177W0085082545M23530903"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734860,"usec":581856},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.907882,"noise_level":-27.274769,"freq_skew":0.340493,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734860,"usec":585288},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.219909,"noise_level":-27.095985,"freq_skew":0.644505,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734861,"usec":335007},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.187384,"noise_level":-26.978807,"freq_skew":0.629505,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734861,"usec":340290},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.254708,"noise_level":-26.749094,"freq_skew":0.424194,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":70,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[179,18,24,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734862,"usec":95731},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.327554,"noise_level":-26.415527,"freq_skew":1.347357,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":732,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[192,31,9,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734862,"usec":96185},"freq":136975000,"burst_len_octets":210,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847713,"noise_level":-26.397366,"freq_skew":2.655716,"avlc":{"src":{"addr":"406755","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWD","mode":"2","label":"H2","blk_id":"1","ack":"!","flight":"U213AR","msg_num":"M98","msg_num_seq":"E","msg_text":"1G    N40239W0084992634M255325026G    N40300W0084892694M267317023G    N40363W0084782766M282318024G    N40427W0084692865M310321026G    N40490W0084592967M340323029G    "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734862,"usec":101860},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.971881,"noise_level":-26.289188,"freq_skew":0.046317,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPW","mode":"2","label":"_d","blk_id":"8","ack":"E","flight":"TP1325","msg_num":"M58","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734862,"usec":855310},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.406267,"noise_level":-26.094299,"freq_skew":-2.098974,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISC","mode":"2","label":"H2","blk_id":"4","ack":"!","flight":"LH048X","msg_num":"M21","msg_num_seq":"B","msg_text":"66XV V)WOOZDGGZNM3J31E0077Y)G5Y)5H** M54**1071ZKKJJ+Q):)*J,SS131HB6H1YYTH )OH*4IS5*G  KKZH7MY5YCTTSS56195I7V6I477O53TTM:7LL  CJHS7V9NXXG72I323T55SSM44X77527MBJJMMRNM54*SUS031292XVVYYT3 )HE55:SMSG  KKZH77T*OCTSM*:T4S343V6I-H737I225)YMMLLQ"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734862,"usec":856035},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.310209,"noise_level":-26.059330,"freq_skew":0.524788,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734862,"usec":862108},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500090,"noise_level":-25.884466,"freq_skew":0.698011,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[63,44,154,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734863,"usec":621594},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.804955,"noise_level":-25.765570,"freq_skew":0.854146,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[91,73,122,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734863,"usec":622317},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.510010,"noise_level":-26.021803,"freq_skew":-0.718964,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[108,117,106,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734863,"usec":624056},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.496706,"noise_level":-25.918177,"freq_skew":1.688921,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5574,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17406,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[27,197]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734863,"usec":628276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209306,"noise_level":-25.849773,"freq_skew":2.476048,"avlc":{"src":{"addr":"406755","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734863,"usec":630352},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.238479,"noise_level":-25.731350,"freq_skew":0.559963,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734863,"usec":631323},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.173859,"noise_level":-25.697807,"freq_skew":0.482548,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734864,"usec":381176},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.926131,"noise_level":-25.664394,"freq_skew":1.495990,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":17406,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[58,57]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4768301,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RYS7260","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[72,194,45],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[72,194,45],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"GCFV","destination_airport":"EPKT"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734864,"usec":383035},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.216569,"noise_level":-26.208752,"freq_skew":-0.251997,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPW","mode":"2","label":"_d","blk_id":"9","ack":"F","flight":"TP1325","msg_num":"M59","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734864,"usec":388308},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.675890,"noise_level":-26.085365,"freq_skew":-2.149639,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734864,"usec":391010},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.931403,"noise_level":-25.980980,"freq_skew":3.065715,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2072,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[196,95]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734864,"usec":391793},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.409825,"noise_level":-25.946465,"freq_skew":3.077832,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":31,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43413,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[170,138,210,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734865,"usec":151043},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.495968,"noise_level":-25.874836,"freq_skew":1.637795,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"8E","blk_id":"0","ack":"!","flight":"EC13NK","msg_num":"M15","msg_num_seq":"A","msg_text":"LPPR,2103"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734865,"usec":911847},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.025658,"noise_level":-26.799953,"freq_skew":1.345681,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":822,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[71,40,135,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734865,"usec":912026},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348069,"noise_level":-27.310364,"freq_skew":1.774249,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17406,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[45,95]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734865,"usec":912794},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.220777,"noise_level":-27.270149,"freq_skew":-1.196995,"avlc":{"src":{"addr":"4068CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734865,"usec":914402},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.099061,"noise_level":-27.195652,"freq_skew":-2.129210,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-6.800000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734865,"usec":918746},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.634565,"noise_level":-27.077133,"freq_skew":0.544555,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734865,"usec":919263},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.001261,"noise_level":-27.077133,"freq_skew":1.667183,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5577,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":23,"dst_ref":17406,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[63,150]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734865,"usec":919696},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.710527,"noise_level":-27.886793,"freq_skew":0.733735,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734866,"usec":665295},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477434,"noise_level":-27.796318,"freq_skew":1.618781,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5578,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43422,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[15,23]}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"persistent","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmContactResponse","data":{"atn_context_mgmt_contact_response":"contactNotSuccessful"}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734866,"usec":666378},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.303307,"noise_level":-27.732616,"freq_skew":0.492051,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[165,249,0,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734866,"usec":669166},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667562,"noise_level":-27.544260,"freq_skew":0.647864,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":89,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[200,17,191,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734866,"usec":671584},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.510170,"noise_level":-27.482372,"freq_skew":0.508378,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"Y","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734867,"usec":429138},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823547,"noise_level":-27.686802,"freq_skew":0.482101,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"dst_nsap":[71,0,39,65,82,89,82,0,72,194,47,0,0,0,0,0,0,0,1,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":35258,"segment_offset":0,"pdu_total_len":152},"reasm_status":"skipped","options":[{"name":"lref","value":[65]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61113,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[92,52,184,106]},{"name":"checksum","value":[179,219]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect"}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734867,"usec":430370},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.505276,"noise_level":-27.603024,"freq_skew":0.685616,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"dst_nsap":[71,0,39,65,82,89,82,0,72,194,47,0,0,0,0,0,0,0,1,1],"lifetime":47.500000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":35258,"segment_offset":0,"pdu_total_len":152},"reasm_status":"skipped","options":[{"name":"lref","value":[65]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":61113,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[92,52,184,106]},{"name":"checksum","value":[179,219]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25264386,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734867,"usec":430490},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316843,"noise_level":-27.603024,"freq_skew":0.770101,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":72,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[204,78,128,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734867,"usec":431866},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.308975,"noise_level":-28.524837,"freq_skew":0.575343,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734867,"usec":438822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.113145,"noise_level":-28.296104,"freq_skew":1.697404,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734867,"usec":439319},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.395138,"noise_level":-28.296104,"freq_skew":1.832977,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":240,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[181,82,170,36]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":197270},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.486545,"noise_level":-28.206270,"freq_skew":-0.537067,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[108,117,106,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":198285},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.160891,"noise_level":-28.626919,"freq_skew":0.485939,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":201132},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574033,"noise_level":-28.624563,"freq_skew":1.607065,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5579,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":22,"dst_ref":43422,"variable_part_params":[{"name":"checksum","value":[165,108]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":201312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.893299,"noise_level":-29.214334,"freq_skew":0.396664,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":204413},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.927827,"noise_level":-29.089775,"freq_skew":1.291983,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EFY","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"FR02LF","msg_num":"M07","msg_num_seq":"A","msg_text":"203426,,2120, 150,N   .    MMMM.MMM"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":206515},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.014792,"noise_level":-28.918339,"freq_skew":2.841520,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2072,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[196,95]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":957408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.107510,"noise_level":-28.894119,"freq_skew":0.661959,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":957964},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596442,"noise_level":-28.869970,"freq_skew":0.651383,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6551,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":959524},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.829958,"noise_level":-28.949539,"freq_skew":0.212963,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7367,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":17,"dst_ref":61113,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[202,175]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":964661},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.528334,"noise_level":-28.685863,"freq_skew":0.568424,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35264,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[101,172]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734868,"usec":965823},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.120952,"noise_level":-28.615320,"freq_skew":0.648806,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734869,"usec":725126},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.589401,"noise_level":-28.092707,"freq_skew":0.444193,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"Y","ack":"0","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734870,"usec":477160},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618999,"noise_level":-27.961388,"freq_skew":0.682278,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":72,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[204,78,128,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734870,"usec":479012},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.309213,"noise_level":-27.853453,"freq_skew":1.917857,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3750,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[109,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734870,"usec":491888},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.958423,"noise_level":-27.558184,"freq_skew":1.331180,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734870,"usec":492772},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.254132,"noise_level":-27.496197,"freq_skew":0.624651,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734870,"usec":493323},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449713,"noise_level":-27.455116,"freq_skew":3.341043,"avlc":{"src":{"addr":"440614","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734871,"usec":249763},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.062264,"noise_level":-27.035112,"freq_skew":2.947223,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734871,"usec":998501},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720021,"noise_level":-26.784933,"freq_skew":3.037843,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENM","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR130V","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734872,"usec":324},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.668886,"noise_level":-26.690598,"freq_skew":0.489895,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35264,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[101,172]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734872,"usec":2771},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601391,"noise_level":-26.653147,"freq_skew":0.857256,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":627,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43383,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[104,68]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734872,"usec":7618},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.159997,"noise_level":-26.523331,"freq_skew":2.897768,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124330","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,216,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734872,"usec":764559},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.614368,"noise_level":-26.413584,"freq_skew":0.463854,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":21408,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734872,"usec":770305},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.089480,"noise_level":-26.909189,"freq_skew":0.142209,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734873,"usec":525099},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548736,"noise_level":-26.794491,"freq_skew":-1.109801,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":177,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734873,"usec":526255},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.192394,"noise_level":-26.718857,"freq_skew":0.844778,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":38.000000,"lon":-5.200000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734873,"usec":526942},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.783575,"noise_level":-26.662561,"freq_skew":0.456394,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"H1","blk_id":"N","ack":"!","sublabel":"MD","msg_text":"REQPOS037B\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734873,"usec":531024},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.504211,"noise_level":-26.625233,"freq_skew":0.650643,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[71,81,222,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734873,"usec":531024},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.504211,"noise_level":-26.625233,"freq_skew":0.650643,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[128,191,175,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734873,"usec":533402},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.107385,"noise_level":-27.043154,"freq_skew":1.314863,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734873,"usec":535316},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646244,"noise_level":-26.965334,"freq_skew":1.461043,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":616,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[86,227,155,61]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734874,"usec":284412},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.626503,"noise_level":-27.609732,"freq_skew":2.736277,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734874,"usec":285693},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.038961,"noise_level":-27.506056,"freq_skew":-1.899409,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-6.800000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734874,"usec":286636},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781808,"noise_level":-27.553780,"freq_skew":1.297895,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EFY","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR02LF","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734874,"usec":287347},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.668160,"noise_level":-27.512426,"freq_skew":0.613522,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734874,"usec":288991},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796223,"noise_level":-28.142775,"freq_skew":-2.875465,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":68,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[203,31,232,161]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43284,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[177,120,128,248]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734874,"usec":292242},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.211649,"noise_level":-28.076487,"freq_skew":0.617411,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734875,"usec":44970},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.045370,"noise_level":-28.344538,"freq_skew":1.445655,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23123664","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,167,180,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734875,"usec":46906},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.671768,"noise_level":-28.209389,"freq_skew":2.853263,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734875,"usec":46975},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.915148,"noise_level":-28.209389,"freq_skew":0.632025,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":21408,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734875,"usec":48210},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.312070,"noise_level":-28.335964,"freq_skew":2.002157,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3750,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[109,64]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734875,"usec":811313},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.484101,"noise_level":-28.173870,"freq_skew":-3.111078,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734875,"usec":812688},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.586436,"noise_level":-28.063280,"freq_skew":1.257598,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734875,"usec":818187},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083640,"noise_level":-27.889214,"freq_skew":-0.125764,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":492,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734875,"usec":819907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.009651,"noise_level":-27.824829,"freq_skew":0.534039,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734875,"usec":821396},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.948075,"noise_level":-27.739716,"freq_skew":0.479611,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LIPZ"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["119C1A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734875,"usec":821903},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485019,"noise_level":-27.718567,"freq_skew":0.686661,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[71,81,222,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734876,"usec":573905},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.354183,"noise_level":-27.613590,"freq_skew":-0.581738,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":417,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[174,205,192,43]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734876,"usec":581293},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.747287,"noise_level":-28.054092,"freq_skew":0.488155,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"H1","blk_id":"N","ack":"!","sublabel":"MD","msg_text":"REQPOS037B\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734876,"usec":584024},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.294250,"noise_level":-28.660448,"freq_skew":1.543978,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"1","ack":"N","flight":"EC13NK","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734876,"usec":584957},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511244,"noise_level":-29.547014,"freq_skew":0.467509,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734877,"usec":333804},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.684992,"noise_level":-29.366402,"freq_skew":0.505981,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124724","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,169,212,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734877,"usec":334471},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.747249,"noise_level":-29.315483,"freq_skew":1.981075,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":364,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734877,"usec":341388},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.089056,"noise_level":-29.089968,"freq_skew":0.458845,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734877,"usec":342573},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.474850,"noise_level":-28.991587,"freq_skew":0.392599,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EVL","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR56FM","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734877,"usec":344932},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.089481,"noise_level":-28.967167,"freq_skew":0.902966,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":628,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43383,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[31,227]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734877,"usec":345239},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755219,"noise_level":-28.967167,"freq_skew":0.637908,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"H1","blk_id":"O","ack":"!","sublabel":"MD","msg_text":"REQPRG,DT.PR.RP96AF\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":100949},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.159153,"noise_level":-28.851368,"freq_skew":0.528740,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":101067},"freq":136975000,"burst_len_octets":185,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306479,"noise_level":-28.851368,"freq_skew":1.300682,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"EC13NK","msg_num":"F40","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN41417W005274,N42026W004071,203435,370,N41382W005413,203608,ADORO,M48,32238,87D5E5"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":101067},"freq":136975000,"burst_len_octets":185,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.306479,"noise_level":-28.851368,"freq_skew":1.300682,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":823,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":101520},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684352,"noise_level":-29.941492,"freq_skew":1.472486,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43403,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[237,164,148,211]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":102313},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.360550,"noise_level":-29.887096,"freq_skew":1.394181,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"3","ack":"O","flight":"EC13NK","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":108952},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.841679,"noise_level":-30.506344,"freq_skew":-1.325358,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":109294},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.705673,"noise_level":-30.477278,"freq_skew":0.482420,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":865907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109648,"noise_level":-30.390656,"freq_skew":0.614787,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":866644},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.650229,"noise_level":-30.333384,"freq_skew":1.124191,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[65,150]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":869119},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409585,"noise_level":-30.052555,"freq_skew":1.207644,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVC","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC13CQ","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734878,"usec":869415},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.618881,"noise_level":-30.024965,"freq_skew":0.694396,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734879,"usec":620360},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.709996,"noise_level":-29.700546,"freq_skew":-2.994123,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734879,"usec":620823},"freq":136975000,"burst_len_octets":200,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066112,"noise_level":-29.647636,"freq_skew":1.641487,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EC13NK","msg_num":"F41","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLPPR,35O,76,210336/PR1353,318,370,87,,0,5,,,60,,,P28,P0,37700,,1265,319/RP:DA:LIMC:AA:LPPR..N41382W005413..ADORO:A:INKI6C:AP:RNV35.AKULU(35O)53EB"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734879,"usec":622127},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.352083,"noise_level":-29.542770,"freq_skew":0.713412,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":21610,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734880,"usec":389199},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.091802,"noise_level":-29.110703,"freq_skew":0.694081,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734880,"usec":389608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.314929,"noise_level":-29.061256,"freq_skew":0.438736,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734880,"usec":390449},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.847594,"noise_level":-28.987610,"freq_skew":1.267047,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734880,"usec":392428},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.825551,"noise_level":-28.842165,"freq_skew":-0.351883,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-7.100000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734880,"usec":395612},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348650,"noise_level":-28.651947,"freq_skew":1.744138,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":806,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[83,227,157,239]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734880,"usec":396479},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.708895,"noise_level":-28.605040,"freq_skew":-0.184127,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"TP0555","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734880,"usec":396904},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.968433,"noise_level":-28.605040,"freq_skew":0.492845,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734880,"usec":397530},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.916238,"noise_level":-28.660599,"freq_skew":-0.099388,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250515","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,77,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734881,"usec":147225},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.851436,"noise_level":-28.543680,"freq_skew":1.277526,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734881,"usec":150540},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.211049,"noise_level":-28.314457,"freq_skew":0.676390,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734881,"usec":151062},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.429446,"noise_level":-28.291862,"freq_skew":0.684842,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35042,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[15,162]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734881,"usec":153097},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.781161,"noise_level":-28.179770,"freq_skew":1.568066,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734881,"usec":906415},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.523104,"noise_level":-28.003376,"freq_skew":-0.315493,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734881,"usec":908288},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.305293,"noise_level":-27.873392,"freq_skew":0.662217,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53707,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[140,6,28,101]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734881,"usec":908836},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.318992,"noise_level":-27.830494,"freq_skew":-1.888680,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":682,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734881,"usec":911772},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.446379,"noise_level":-27.660984,"freq_skew":-0.641904,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1617,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,204,98,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734881,"usec":916033},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925961,"noise_level":-27.619118,"freq_skew":-1.928651,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-6.800000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734881,"usec":916675},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.241008,"noise_level":-28.165783,"freq_skew":0.540267,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734882,"usec":667561},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.627763,"noise_level":-28.177404,"freq_skew":0.652516,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734882,"usec":669780},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.344066,"noise_level":-28.022907,"freq_skew":-1.911674,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"TP0828","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734882,"usec":669780},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.344066,"noise_level":-28.022907,"freq_skew":-1.911674,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734882,"usec":670288},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514406,"noise_level":-28.022907,"freq_skew":-2.963786,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":69,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734882,"usec":670778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.126763,"noise_level":-28.001059,"freq_skew":0.614752,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734882,"usec":671589},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491877,"noise_level":-28.173557,"freq_skew":0.618526,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22251220","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734883,"usec":440785},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.258004,"noise_level":-27.530222,"freq_skew":2.138972,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-0.800000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734883,"usec":442454},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.340972,"noise_level":-27.530222,"freq_skew":0.577001,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":187145},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.383548,"noise_level":-27.632959,"freq_skew":-0.447256,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":187852},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477878,"noise_level":-27.591228,"freq_skew":-2.041723,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":190288},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.813457,"noise_level":-27.405882,"freq_skew":-0.359787,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":192951},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656395,"noise_level":-27.264408,"freq_skew":0.435737,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.100002,"lon":-3.900000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":193851},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604718,"noise_level":-27.656685,"freq_skew":0.567385,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":21757,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":194146},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.380866,"noise_level":-27.635736,"freq_skew":-2.104943,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":51,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":956774},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.668497,"noise_level":-27.552448,"freq_skew":0.457858,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":959213},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.975990,"noise_level":-27.388229,"freq_skew":0.641949,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"VY04LJ","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":959213},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.975990,"noise_level":-27.388229,"freq_skew":0.641949,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,68,9,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":960247},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755436,"noise_level":-28.076469,"freq_skew":0.585382,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":960527},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.457828,"noise_level":-28.076469,"freq_skew":0.669834,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":960957},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.496745,"noise_level":-28.783039,"freq_skew":-0.307277,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":40.500000,"lon":-4.300000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":965033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.199231,"noise_level":-28.664473,"freq_skew":2.029969,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734884,"usec":965329},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256708,"noise_level":-28.640953,"freq_skew":-1.611539,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734885,"usec":716771},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.418673,"noise_level":-28.547501,"freq_skew":-0.311594,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"VY33KE","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734885,"usec":717429},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.592080,"noise_level":-29.411850,"freq_skew":-0.180420,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734885,"usec":719564},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.127967,"noise_level":-30.049042,"freq_skew":0.337302,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734885,"usec":720753},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.407159,"noise_level":-30.637236,"freq_skew":0.583927,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734886,"usec":482685},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472517,"noise_level":-30.368355,"freq_skew":0.538520,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734886,"usec":483388},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.708549,"noise_level":-30.311230,"freq_skew":0.544955,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":21820,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734886,"usec":484618},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.486376,"noise_level":-30.533905,"freq_skew":-2.240865,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734886,"usec":485157},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.437818,"noise_level":-30.475683,"freq_skew":0.727625,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"_d","blk_id":"Y","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734886,"usec":490889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.010193,"noise_level":-30.417850,"freq_skew":0.334739,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734886,"usec":492444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.837673,"noise_level":-30.923784,"freq_skew":-0.028321,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734887,"usec":238029},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.895933,"noise_level":-30.506287,"freq_skew":-0.462747,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734887,"usec":240633},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.362699,"noise_level":-30.419376,"freq_skew":-2.167598,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734887,"usec":241386},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.036510,"noise_level":-30.390598,"freq_skew":1.865261,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3398,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43332,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[81,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734887,"usec":244916},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.098917,"noise_level":-30.191776,"freq_skew":-2.420586,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43370,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[44,53,64,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734887,"usec":246284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.159725,"noise_level":-30.191776,"freq_skew":-0.368760,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734888,"usec":770545},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.559095,"noise_level":-29.790394,"freq_skew":0.669107,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Request / Broadcast Handoff","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"autotune_freq","value":{"freq_mhz":136.975006,"modulation_support":["VDL-M2, D8PSK, 31500 bps"]}},{"name":"replacement_ground_stations","value":["109F1A"]},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734888,"usec":774150},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.844159,"noise_level":-29.683804,"freq_skew":1.820028,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734888,"usec":774150},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.844159,"noise_level":-29.683804,"freq_skew":1.820028,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":703,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734888,"usec":775432},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.339280,"noise_level":-29.578505,"freq_skew":0.484030,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734888,"usec":776638},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339583,"noise_level":-30.257717,"freq_skew":-1.035650,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[180,205,223,213]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734889,"usec":530151},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.948191,"noise_level":-29.551565,"freq_skew":1.270490,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":205,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43341,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[59,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734890,"usec":291570},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.325391,"noise_level":-29.294556,"freq_skew":-0.221184,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[21,63,38,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734891,"usec":57794},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.875955,"noise_level":-29.207525,"freq_skew":-0.175441,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734891,"usec":810717},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.867271,"noise_level":-28.578959,"freq_skew":1.943096,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[177,196,56,54]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734891,"usec":814491},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.616376,"noise_level":-28.348818,"freq_skew":2.329565,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.299999,"lon":-0.800000},"alt":30000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734891,"usec":815017},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839356,"noise_level":-28.303511,"freq_skew":2.055104,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43332,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[32,13]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734892,"usec":576751},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448685,"noise_level":-27.971043,"freq_skew":2.371882,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MBK","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"V73543","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734892,"usec":577674},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634232,"noise_level":-27.927658,"freq_skew":2.239688,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042310","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,79,69,0,52,68,200,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734893,"usec":341968},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.680112,"noise_level":-27.261477,"freq_skew":2.104810,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2500,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734894,"usec":96478},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.996634,"noise_level":-27.573154,"freq_skew":0.471370,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[166,215,242,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734894,"usec":96629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854129,"noise_level":-27.573154,"freq_skew":2.240971,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734894,"usec":98698},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.045537,"noise_level":-27.428953,"freq_skew":0.540783,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"H1","blk_id":"P","ack":"!","sublabel":"MD","msg_text":"PWI/DD320318052.180017022.090021018.040076011.002340008E893\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734894,"usec":104179},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.412065,"noise_level":-27.287106,"freq_skew":0.527981,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC86","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734894,"usec":104526},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472352,"noise_level":-27.287106,"freq_skew":1.538347,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"5","ack":"P","flight":"EC13NK","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734894,"usec":856377},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232275,"noise_level":-27.735291,"freq_skew":2.339277,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":574,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43372,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[47,105,26,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734894,"usec":861667},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.230324,"noise_level":-27.464432,"freq_skew":0.489549,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734895,"usec":630514},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212100,"noise_level":-27.304939,"freq_skew":-0.334023,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":752,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61097,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[102,39,63,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734896,"usec":384553},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238213,"noise_level":-27.125542,"freq_skew":1.727964,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30531,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[227,79,119,243]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734896,"usec":385253},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885462,"noise_level":-27.086174,"freq_skew":1.931503,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43332,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[32,13]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734896,"usec":386915},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.307235,"noise_level":-27.007969,"freq_skew":0.934958,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2880,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23059,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[54,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734896,"usec":389206},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.694013,"noise_level":-26.949776,"freq_skew":0.495272,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53720,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":51,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[30,138,118,77]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":127.325000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734896,"usec":390239},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686936,"noise_level":-27.554110,"freq_skew":1.772093,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30531,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[252,59,95,80]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734896,"usec":392514},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.054652,"noise_level":-27.492151,"freq_skew":-2.927277,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":70,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43284,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[198,186,252,36]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734896,"usec":394415},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.846244,"noise_level":-27.430632,"freq_skew":0.170296,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[166,215,242,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734897,"usec":145350},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757570,"noise_level":-27.228659,"freq_skew":1.826047,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":241,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43418,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[155,70,7,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734897,"usec":145903},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.111181,"noise_level":-27.629669,"freq_skew":-1.969345,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":52,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1555,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[245,49,144,200]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1555,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[54,109,67,90]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734897,"usec":153738},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.321903,"noise_level":-27.341785,"freq_skew":0.545164,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53721,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":51,"credit":15,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[157,35,123,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734897,"usec":155135},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.617550,"noise_level":-27.281319,"freq_skew":-2.711433,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734897,"usec":905511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465022,"noise_level":-27.201345,"freq_skew":2.289013,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734897,"usec":906547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.271016,"noise_level":-27.161634,"freq_skew":1.047274,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734897,"usec":913445},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.225102,"noise_level":-27.499426,"freq_skew":-2.174529,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734898,"usec":671885},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567970,"noise_level":-27.526571,"freq_skew":1.672389,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":275,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734898,"usec":676933},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.791590,"noise_level":-27.302223,"freq_skew":1.458156,"avlc":{"src":{"addr":"4CAD2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HEV","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR03WL","msg_num":"M34","msg_num_seq":"A","msg_text":"203456,31989,2128,  96,N 40.604 W  6.356"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734899,"usec":429349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.132460,"noise_level":-27.914978,"freq_skew":0.663251,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD2A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734899,"usec":430879},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203188,"noise_level":-27.850399,"freq_skew":-1.230452,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[10,154,18,128]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43312,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[168,23,10,132]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734899,"usec":435806},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.441555,"noise_level":-27.659502,"freq_skew":0.658454,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD2A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HEV","mode":"2","label":"_d","blk_id":"Z","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734900,"usec":191469},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.849858,"noise_level":-27.555233,"freq_skew":1.801780,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"5U","blk_id":"7","ack":"!","flight":"U265RF","msg_num":"M22","msg_num_seq":"A","msg_text":"LEAS LFBD LFRS EGJJ-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734900,"usec":193895},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842710,"noise_level":-27.431738,"freq_skew":1.094936,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43341,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[241,59]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734900,"usec":960806},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.072582,"noise_level":-26.935287,"freq_skew":-2.038054,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":53,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1555,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[30,189,55,193]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734900,"usec":962994},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.960416,"noise_level":-26.858421,"freq_skew":1.666399,"avlc":{"src":{"addr":"4CAD2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734900,"usec":964480},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.516780,"noise_level":-27.334953,"freq_skew":-2.887132,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734900,"usec":966336},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.156243,"noise_level":-27.314766,"freq_skew":2.007240,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"_d","blk_id":"8","ack":"A","flight":"U265RF","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734900,"usec":968528},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.494215,"noise_level":-27.853931,"freq_skew":0.534369,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":51,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[242,239,173,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734900,"usec":969329},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727280,"noise_level":-27.832504,"freq_skew":-2.051989,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":54,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43409,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[239,171,40,76]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734901,"usec":713866},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.977808,"noise_level":-27.705032,"freq_skew":-2.859279,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[63,190,227,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734901,"usec":714407},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.492423,"noise_level":-27.933319,"freq_skew":0.733558,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53725,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1555,"dst_ref":51,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[93,134,46,160]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734901,"usec":715452},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369701,"noise_level":-27.890121,"freq_skew":0.708591,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[63,97,137,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734901,"usec":716321},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.498407,"noise_level":-28.161205,"freq_skew":-2.179395,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734901,"usec":716321},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.498407,"noise_level":-28.161205,"freq_skew":-2.179395,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734901,"usec":717267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023971,"noise_level":-28.834354,"freq_skew":3.176808,"avlc":{"src":{"addr":"440614","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734901,"usec":718996},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.348054,"noise_level":-28.762598,"freq_skew":0.511470,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":51,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[242,239,173,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734901,"usec":719809},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.320723,"noise_level":-28.729851,"freq_skew":0.470201,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":51,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[242,239,173,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734901,"usec":721935},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463441,"noise_level":-28.635445,"freq_skew":1.133935,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":567,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[237,185,125,178]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734902,"usec":481013},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510813,"noise_level":-28.839115,"freq_skew":-1.354456,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[10,154,18,128]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43312,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[168,23,10,132]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":34,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734903,"usec":251401},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.249853,"noise_level":-28.280716,"freq_skew":1.865812,"avlc":{"src":{"addr":"4CAC86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734903,"usec":252332},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425700,"noise_level":-28.235762,"freq_skew":-1.818222,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":683,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[81,97,223,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734904,"usec":16129},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.077323,"noise_level":-27.734856,"freq_skew":1.838468,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"_d","blk_id":"8","ack":"A","flight":"U265RF","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734904,"usec":17584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.242408,"noise_level":-27.692635,"freq_skew":-1.227978,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734904,"usec":767122},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.128812,"noise_level":-27.281334,"freq_skew":1.542677,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734904,"usec":768014},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.040036,"noise_level":-27.221283,"freq_skew":-3.081479,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[63,190,227,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734904,"usec":769897},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529941,"noise_level":-27.161648,"freq_skew":-1.297501,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43312,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[214,30,57,31]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734904,"usec":770568},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.073623,"noise_level":-27.141859,"freq_skew":0.507527,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":51,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[242,239,173,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734904,"usec":773976},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.650814,"noise_level":-27.102417,"freq_skew":0.494066,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[118,48,171,253]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734905,"usec":529121},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660098,"noise_level":-26.774200,"freq_skew":1.349748,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43341,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[241,59]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734905,"usec":529646},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.645129,"noise_level":-26.755276,"freq_skew":1.942247,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"_d","blk_id":"9","ack":"B","flight":"U265RF","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734905,"usec":535616},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.039894,"noise_level":-26.749144,"freq_skew":-1.038897,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734905,"usec":535846},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.054865,"noise_level":-26.730270,"freq_skew":1.804145,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"5U","blk_id":"0","ack":"!","flight":"U265RF","msg_num":"M23","msg_num_seq":"A","msg_text":"EGGW-SA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734905,"usec":537471},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.715035,"noise_level":-26.655193,"freq_skew":1.078455,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[89,53,147,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734906,"usec":304270},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.132698,"noise_level":-27.028091,"freq_skew":1.890832,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30833,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[193,49,43,88]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734906,"usec":304270},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.132698,"noise_level":-27.028091,"freq_skew":1.890832,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30833,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[118,144,243,205]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734907,"usec":54382},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.065386,"noise_level":-26.721432,"freq_skew":-1.268548,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734907,"usec":813529},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.307438,"noise_level":-26.443451,"freq_skew":-1.162964,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[125,58,13,112]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734907,"usec":816335},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.214551,"noise_level":-26.334702,"freq_skew":1.467522,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"U268FY","msg_num":"M81","msg_num_seq":"A","msg_text":"/LEMG.TI2/040LEMGAC4AA"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734907,"usec":817833},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.517416,"noise_level":-26.280832,"freq_skew":0.526184,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[148,97,52,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734907,"usec":821175},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.361198,"noise_level":-26.993450,"freq_skew":-2.020090,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":753,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[158,20,222,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734907,"usec":823040},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.943606,"noise_level":-26.954678,"freq_skew":1.042817,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[169,253,242,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734907,"usec":824255},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.207335,"noise_level":-26.916073,"freq_skew":0.623661,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734908,"usec":574130},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596730,"noise_level":-26.763355,"freq_skew":0.710065,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[5,162,143,52]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":133.205000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734908,"usec":574450},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808168,"noise_level":-26.811502,"freq_skew":0.493862,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734908,"usec":577534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.133615,"noise_level":-26.660595,"freq_skew":0.517042,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734908,"usec":582429},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066081,"noise_level":-26.493902,"freq_skew":-0.164556,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[194,99,107,103]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43376,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,44,56,228]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734909,"usec":333686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.022388,"noise_level":-26.815117,"freq_skew":-2.100103,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734909,"usec":334178},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.906847,"noise_level":-26.796101,"freq_skew":0.655687,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZWY","mode":"2","label":"A9","blk_id":"V","ack":"7","msg_text":"/MADAAYA.TI2/LEMG ATIS ARR N 2033Z\r\nRWY IN USE 13\r\nTRL FL145\r\nTWR FREQ 118.155\r\nWIND 120 DEG 10 KT .\r\nCAVOK.\r\nT25 DP22\r\nQNH 1012HPA\r\nNOSIG\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734909,"usec":335144},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.122000,"noise_level":-27.329046,"freq_skew":1.038965,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2052,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734909,"usec":335379},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.658156,"noise_level":-27.308874,"freq_skew":0.575212,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20201,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[107,68,245,44]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734909,"usec":336820},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.212660,"noise_level":-27.248632,"freq_skew":1.617886,"avlc":{"src":{"addr":"4BB867","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCG","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"PC1561","msg_num":"M08","msg_num_seq":"A","msg_text":"PC1561/28JUL25 20:35:06,28088,2108, 102,N 39.126 W  7.501"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734909,"usec":344057},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183270,"noise_level":-26.953548,"freq_skew":0.645981,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":51,"credit":15,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[242,239,173,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734910,"usec":95066},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537873,"noise_level":-26.953548,"freq_skew":-0.459268,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734910,"usec":96506},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.508729,"noise_level":-27.360556,"freq_skew":0.458607,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[118,48,171,253]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734910,"usec":97081},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.340892,"noise_level":-27.320110,"freq_skew":0.597688,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6552,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[123,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734910,"usec":97586},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843541,"noise_level":-27.299959,"freq_skew":-2.128707,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":55,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":1555,"variable_part_params":[{"name":"atn_checksum","value":[77,126,150,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734910,"usec":102590},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.889631,"noise_level":-27.061710,"freq_skew":1.728010,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"_d","blk_id":"1","ack":"C","flight":"U265RF","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734910,"usec":104423},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672171,"noise_level":-26.964336,"freq_skew":0.308462,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,238,18,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734910,"usec":861053},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.126867,"noise_level":-26.906433,"freq_skew":0.538659,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734910,"usec":862992},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.319966,"noise_level":-26.810776,"freq_skew":0.418782,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734910,"usec":863650},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904507,"noise_level":-26.791767,"freq_skew":2.426572,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":23,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734911,"usec":616002},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.144049,"noise_level":-27.301104,"freq_skew":0.625112,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734911,"usec":617318},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.387002,"noise_level":-27.281918,"freq_skew":0.593464,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734911,"usec":618370},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.073259,"noise_level":-27.221867,"freq_skew":1.251968,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DPF","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"FR03NM","msg_num":"M83","msg_num_seq":"A","msg_text":"/LPPT.TI2/024LPPTA93DE"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734911,"usec":620512},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.009735,"noise_level":-27.122690,"freq_skew":0.615066,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZWY","mode":"2","label":"A9","blk_id":"V","ack":"7","msg_text":"/MADAAYA.TI2/LEMG ATIS ARR N 2033Z\r\nRWY IN USE 13\r\nTRL FL145\r\nTWR FREQ 118.155\r\nWIND 120 DEG 10 KT .\r\nCAVOK.\r\nT25 DP22\r\nQNH 1012HPA\r\nNOSIG\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734911,"usec":620949},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.883209,"noise_level":-27.122690,"freq_skew":0.702115,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":22520,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734912,"usec":387814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.576142,"noise_level":-26.605875,"freq_skew":1.085711,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734913,"usec":156011},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.100823,"noise_level":-26.030693,"freq_skew":-0.183589,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":351,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43376,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[128,97,0,95]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":12}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734913,"usec":158142},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.480797,"noise_level":-26.013317,"freq_skew":0.442455,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35085,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[198,110,184,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734913,"usec":909894},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.033904,"noise_level":-25.875557,"freq_skew":-0.727565,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":418,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[62,95,18,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734913,"usec":909894},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.033904,"noise_level":-25.875557,"freq_skew":-0.727565,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":419,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[237,105,113,225]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734913,"usec":911131},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475476,"noise_level":-26.225220,"freq_skew":0.429175,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20203,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[192,17,40,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734913,"usec":915600},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.107379,"noise_level":-26.885031,"freq_skew":0.515400,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZWY","mode":"2","label":"A9","blk_id":"V","ack":"7","msg_text":"/MADAAYA.TI2/LEMG ATIS ARR N 2033Z\r\nRWY IN USE 13\r\nTRL FL145\r\nTWR FREQ 118.155\r\nWIND 120 DEG 10 KT .\r\nCAVOK.\r\nT25 DP22\r\nQNH 1012HPA\r\nNOSIG\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734913,"usec":916540},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275818,"noise_level":-26.885031,"freq_skew":0.332950,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[126,238,18,187]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734913,"usec":917982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.592249,"noise_level":-26.827650,"freq_skew":0.995909,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734913,"usec":920765},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.110277,"noise_level":-26.714016,"freq_skew":0.626799,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734914,"usec":668266},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.068135,"noise_level":-26.676464,"freq_skew":2.769461,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":23,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734914,"usec":668789},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569610,"noise_level":-27.062485,"freq_skew":0.733669,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20204,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":59,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[103,72,199,9]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":7,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734914,"usec":670580},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489527,"noise_level":-26.965103,"freq_skew":-0.174500,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734914,"usec":670825},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.042692,"noise_level":-26.945759,"freq_skew":0.614684,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":22520,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734914,"usec":671238},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.324780,"noise_level":-26.945759,"freq_skew":0.618837,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734914,"usec":671448},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736439,"noise_level":-26.926453,"freq_skew":0.588505,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20203,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[192,17,40,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734914,"usec":672094},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.768412,"noise_level":-26.887974,"freq_skew":-1.981374,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.700000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734914,"usec":672392},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.837129,"noise_level":-26.887974,"freq_skew":0.606726,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[118,48,171,253]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734914,"usec":673790},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.393795,"noise_level":-26.849669,"freq_skew":-2.047311,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734914,"usec":678713},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679552,"noise_level":-27.421091,"freq_skew":-2.089783,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":56,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43409,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[107,139,133,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734915,"usec":437280},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.271088,"noise_level":-27.219337,"freq_skew":0.598333,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[151,15,225,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734915,"usec":438314},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.316922,"noise_level":-27.199417,"freq_skew":2.670087,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734915,"usec":438911},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331499,"noise_level":-27.585846,"freq_skew":-0.876689,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":155,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734915,"usec":441482},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.107138,"noise_level":-27.482450,"freq_skew":0.598082,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734915,"usec":442211},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.284034,"noise_level":-27.461920,"freq_skew":1.453679,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":824,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[146,10,109,250]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734915,"usec":443405},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.348841,"noise_level":-27.958097,"freq_skew":0.574776,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20208,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":6,"variable_part_params":[{"name":"checksum","value":[31,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734915,"usec":445335},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.059766,"noise_level":-28.166080,"freq_skew":0.569727,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734916,"usec":198042},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.038460,"noise_level":-27.946484,"freq_skew":-0.277868,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"TP0555","msg_num":"F14","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/TS203514,280725/DTLPPT,02O,65,211814,116/FNTAP55527D2"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734916,"usec":199357},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.107544,"noise_level":-27.903223,"freq_skew":0.663699,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734916,"usec":957627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.807609,"noise_level":-27.605843,"freq_skew":-0.796987,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734916,"usec":960093},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.909544,"noise_level":-27.481632,"freq_skew":0.573095,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-EZWY","mode":"2","label":"A9","blk_id":"V","ack":"7","msg_text":"/MADAAYA.TI2/LEMG ATIS ARR N 2033Z\r\nRWY IN USE 13\r\nTRL FL145\r\nTWR FREQ 118.155\r\nWIND 120 DEG 10 KT .\r\nCAVOK.\r\nT25 DP22\r\nQNH 1012HPA\r\nNOSIG\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734916,"usec":962884},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.064422,"noise_level":-27.399803,"freq_skew":-0.502858,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-7.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734916,"usec":964833},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.694769,"noise_level":-27.318735,"freq_skew":0.566532,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734917,"usec":717366},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.140987,"noise_level":-27.756271,"freq_skew":1.570852,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"8","ack":"V","flight":"U268FY","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734917,"usec":717610},"freq":136975000,"burst_len_octets":129,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460016,"noise_level":-27.756271,"freq_skew":-0.212238,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734917,"usec":717610},"freq":136975000,"burst_len_octets":129,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.460016,"noise_level":-27.756271,"freq_skew":-0.212238,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"TP0555","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734917,"usec":717610},"freq":136975000,"burst_len_octets":129,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.460016,"noise_level":-27.756271,"freq_skew":-0.212238,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250515","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,77,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734917,"usec":719339},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.576980,"noise_level":-27.851860,"freq_skew":0.531831,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":22663,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734917,"usec":719642},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.801877,"noise_level":-28.449545,"freq_skew":0.747281,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22250515","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734917,"usec":727375},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.010628,"noise_level":-28.200401,"freq_skew":1.613409,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"IB07HP","msg_num":"D80","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127085,1,1,TB000000/REP033,00,00,1/POSDMU,203506, 42.786,-  4.022,  4064,350\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734918,"usec":484481},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.435860,"noise_level":-28.737659,"freq_skew":0.597529,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20203,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[192,17,40,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734918,"usec":486171},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.280301,"noise_level":-29.366379,"freq_skew":1.638413,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1655,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[39,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734918,"usec":490260},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604416,"noise_level":-30.121391,"freq_skew":0.594939,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734918,"usec":490885},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.474751,"noise_level":-30.602180,"freq_skew":0.590190,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.200001,"lon":-3.800000},"alt":28000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734918,"usec":491171},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865060,"noise_level":-30.602180,"freq_skew":-0.932142,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734919,"usec":237421},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.678344,"noise_level":-30.842230,"freq_skew":1.794206,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":862,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[162,226,114,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734919,"usec":238264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.455033,"noise_level":-30.781914,"freq_skew":-1.999441,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734919,"usec":239464},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.390377,"noise_level":-30.692213,"freq_skew":0.406426,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"VY04LJ","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734919,"usec":240653},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.660589,"noise_level":-30.632925,"freq_skew":0.501542,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,68,9,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734919,"usec":245350},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.469895,"noise_level":-30.428545,"freq_skew":0.446190,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6553,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[80,125]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734919,"usec":245737},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553614,"noise_level":-30.979229,"freq_skew":0.966981,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":38.200001,"lon":-5.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734919,"usec":245907},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142890,"noise_level":-30.979229,"freq_skew":-0.274670,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":352,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[24,48,157,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734919,"usec":246602},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.666098,"noise_level":-30.917953,"freq_skew":-2.080144,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":57,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43409,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[192,88,183,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734920,"usec":4596},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472695,"noise_level":-30.836765,"freq_skew":-0.329233,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734920,"usec":11398},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.017212,"noise_level":-30.481205,"freq_skew":0.398878,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734920,"usec":12382},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.224517,"noise_level":-30.452221,"freq_skew":0.664462,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734920,"usec":14459},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.183300,"noise_level":-30.337246,"freq_skew":0.695223,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734920,"usec":763835},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.187661,"noise_level":-30.139627,"freq_skew":0.657731,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734920,"usec":766622},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.731824,"noise_level":-29.946407,"freq_skew":1.205154,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2053,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[137,88]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734921,"usec":537452},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.634370,"noise_level":-29.089289,"freq_skew":0.709801,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"A9","blk_id":"W","ack":"!","msg_text":"/MADAAYA.TI2/LEMG ATIS ARR N 2033Z\r\nRWY IN USE 13\r\nTRL FL145\r\nTWR FREQ 118.155\r\nWIND 120 DEG 10 KT .\r\nCAVOK.\r\nT25 DP22\r\nQNH 1012HPA\r\nNOSIG\r\nFIRST RAPID EXIT TAXIWAY ONLY\r\nAVAILABLE FOR LIGHT AIRCRAFTS\r\n\r\nCONFIRM ATIS ARR N\r\nE3FB\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734922,"usec":284075},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.162963,"noise_level":-28.797453,"freq_skew":1.513307,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWY","mode":"2","label":"_d","blk_id":"9","ack":"W","flight":"U268FY","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734922,"usec":287068},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.914725,"noise_level":-28.937750,"freq_skew":2.006271,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":775,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43322,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[148,210,214,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734922,"usec":291320},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706315,"noise_level":-28.793129,"freq_skew":1.604535,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":862,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[162,226,114,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734922,"usec":292555},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843592,"noise_level":-28.769260,"freq_skew":0.826833,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":646,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[122,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734922,"usec":295162},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.271696,"noise_level":-28.941677,"freq_skew":0.500822,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734923,"usec":54854},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.030917,"noise_level":-28.561079,"freq_skew":-2.020956,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.700000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734923,"usec":61988},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.107445,"noise_level":-28.407000,"freq_skew":0.995394,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":647,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43272,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[97,101]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734923,"usec":812343},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.235820,"noise_level":-28.234299,"freq_skew":1.762149,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1656,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[233,61]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734923,"usec":818755},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547336,"noise_level":-28.245758,"freq_skew":0.451004,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53744,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,75,169,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734924,"usec":571584},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.612199,"noise_level":-28.609198,"freq_skew":1.867858,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":365,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[222,86,205,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734924,"usec":581871},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.181344,"noise_level":-28.109007,"freq_skew":0.481315,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734925,"usec":346704},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.669574,"noise_level":-27.678001,"freq_skew":0.996461,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734926,"usec":100321},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.094280,"noise_level":-27.429304,"freq_skew":2.099632,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":633,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[217,48,32,125]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734926,"usec":101971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.699303,"noise_level":-27.347963,"freq_skew":1.075777,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734926,"usec":106054},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.755866,"noise_level":-27.527277,"freq_skew":1.530883,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":621,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734926,"usec":865102},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656333,"noise_level":-27.045013,"freq_skew":0.994102,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":38.200001,"lon":-5.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734926,"usec":865870},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.301744,"noise_level":-27.006008,"freq_skew":1.158749,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":648,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":20,"dst_ref":1622,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[174,200]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734926,"usec":867636},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.532590,"noise_level":-26.967178,"freq_skew":0.584707,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6554,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30829,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[208,26]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734926,"usec":871238},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.263556,"noise_level":-26.870852,"freq_skew":0.827743,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2881,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[139,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734927,"usec":623676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.106287,"noise_level":-26.606689,"freq_skew":0.639153,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734928,"usec":389527},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.558170,"noise_level":-26.136448,"freq_skew":0.528341,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20221,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":57,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[232,215,86,144]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":27}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFRR","facility_name":"BREST","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.240000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734929,"usec":145077},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.261396,"noise_level":-26.333647,"freq_skew":0.739414,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20223,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":74,"credit":10,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[128,167,82,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734929,"usec":146474},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.801769,"noise_level":-26.261906,"freq_skew":-0.548593,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43217,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[39,139,220,136]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43217,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[160,197,197,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734929,"usec":147240},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.871683,"noise_level":-26.226255,"freq_skew":1.624389,"avlc":{"src":{"addr":"406B91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":807,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43220,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[93,62,195,181]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734929,"usec":147721},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461637,"noise_level":-26.208487,"freq_skew":0.830901,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734929,"usec":150887},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.331618,"noise_level":-26.067619,"freq_skew":0.522944,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[156,30,17,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734929,"usec":908085},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.143852,"noise_level":-25.877583,"freq_skew":0.601001,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734929,"usec":913659},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.590999,"noise_level":-25.641582,"freq_skew":0.503771,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":22973,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734929,"usec":914273},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.561425,"noise_level":-25.624966,"freq_skew":-0.585817,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734930,"usec":680010},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.073599,"noise_level":-25.235466,"freq_skew":0.157638,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"5Y","blk_id":"3","ack":"!","flight":"TP1369","msg_num":"M48","msg_num_seq":"A","msg_text":"---2134  46N 425826,W  63303,34970,  494000,MS43,325, 42,273,203524,10160"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734931,"usec":436006},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.694075,"noise_level":-24.923716,"freq_skew":-1.929533,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.700000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734931,"usec":437350},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958957,"noise_level":-24.923716,"freq_skew":0.660355,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734931,"usec":440891},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.562350,"noise_level":-24.832333,"freq_skew":1.088262,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2054,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[138,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734931,"usec":443126},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.455420,"noise_level":-25.119797,"freq_skew":0.539942,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"_d","blk_id":"Y","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734932,"usec":193378},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.045946,"noise_level":-25.010857,"freq_skew":1.058874,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":649,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734932,"usec":193672},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.138072,"noise_level":-24.995405,"freq_skew":1.138489,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2055,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1585,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[243,162]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734932,"usec":194709},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.283572,"noise_level":-24.964584,"freq_skew":-2.102777,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"TP0828","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734932,"usec":194709},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.283572,"noise_level":-24.964584,"freq_skew":-2.102777,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734932,"usec":196255},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.432680,"noise_level":-25.530165,"freq_skew":0.907770,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2882,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43328,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[60,2]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734932,"usec":198219},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.009031,"noise_level":-26.343475,"freq_skew":0.358565,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734932,"usec":198858},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.923491,"noise_level":-26.343475,"freq_skew":0.589058,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":22973,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734932,"usec":961131},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.188859,"noise_level":-25.904030,"freq_skew":-1.986771,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734932,"usec":964237},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.415076,"noise_level":-25.767979,"freq_skew":-0.386204,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734933,"usec":720778},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.473857,"noise_level":-25.717505,"freq_skew":0.415997,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":797,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734933,"usec":721217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.558321,"noise_level":-25.700743,"freq_skew":1.122177,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734933,"usec":726488},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.784402,"noise_level":-25.611151,"freq_skew":-0.661442,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":421,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43217,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[148,89,250,14]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734933,"usec":730512},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.040800,"noise_level":-26.161852,"freq_skew":-0.773502,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":422,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30811,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[242,240,179,248]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":32}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":473777},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.534956,"noise_level":-26.647285,"freq_skew":0.641664,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[241,234,67,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":476955},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.397515,"noise_level":-26.481951,"freq_skew":0.427754,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43217,"dst_ref":57,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[245,236,100,3]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":477303},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.549037,"noise_level":-26.481951,"freq_skew":0.653861,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35106,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[28,59,234,160]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":477779},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.398400,"noise_level":-26.445389,"freq_skew":0.556306,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35107,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":58,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[154,93,155,240]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":480474},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.376830,"noise_level":-26.354652,"freq_skew":-0.391253,"avlc":{"src":{"addr":"495217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1604,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,166]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":480879},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.748671,"noise_level":-26.354652,"freq_skew":-0.666920,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":480879},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.748671,"noise_level":-26.354652,"freq_skew":-0.666920,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":480879},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-3.748671,"noise_level":-26.354652,"freq_skew":-0.666920,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":481534},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.564049,"noise_level":-26.318619,"freq_skew":0.549642,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[241,234,67,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":482533},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.637483,"noise_level":-26.306278,"freq_skew":0.524450,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[241,234,67,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":482533},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.637483,"noise_level":-26.306278,"freq_skew":0.524450,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[241,234,67,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734934,"usec":482789},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.038021,"noise_level":-26.306278,"freq_skew":2.471306,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-6.300000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734935,"usec":246508},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.863384,"noise_level":-26.270447,"freq_skew":-0.565326,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":423,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":57,"dst_ref":43217,"variable_part_params":[{"name":"atn_checksum","value":[49,97,39,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734935,"usec":246508},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.863384,"noise_level":-26.270447,"freq_skew":-0.565326,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":424,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[177,254,13,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734935,"usec":246978},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.780300,"noise_level":-26.252584,"freq_skew":0.635155,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[235,226,218,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734935,"usec":247290},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.060984,"noise_level":-26.252584,"freq_skew":1.871815,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"8S","blk_id":"2","ack":"!","flight":"U265RF","msg_num":"M24","msg_num_seq":"A","msg_text":"EGGW,2236,Y,N,N,0,1,1\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734935,"usec":252579},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.289858,"noise_level":-26.569046,"freq_skew":-0.592010,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734935,"usec":252807},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960130,"noise_level":-27.010031,"freq_skew":1.201203,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":38.200001,"lon":-5.200000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734935,"usec":253253},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.909326,"noise_level":-27.010031,"freq_skew":0.732790,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35108,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":58,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[26,211,30,95]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":33}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFRR,BREST,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":3027},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.942356,"noise_level":-26.779501,"freq_skew":0.756964,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":74,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":3414},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884466,"noise_level":-26.760563,"freq_skew":1.149205,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IND","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EC75UB","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":3414},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.884466,"noise_level":-26.760563,"freq_skew":1.149205,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000721","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,1,209,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":5275},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.915210,"noise_level":-26.685223,"freq_skew":-0.684843,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[7,203,63,67]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30811,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[20,236,35,80]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":8451},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.563696,"noise_level":-26.554930,"freq_skew":0.595168,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35111,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8278,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[212,225,12,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":10308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.210823,"noise_level":-26.463047,"freq_skew":0.436353,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":10398},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.244872,"noise_level":-26.463047,"freq_skew":0.182520,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":797,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":761125},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.234044,"noise_level":-27.050125,"freq_skew":0.488194,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35112,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[113,8,29,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":762809},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.183874,"noise_level":-27.495316,"freq_skew":-0.147458,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":494,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":764497},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.123916,"noise_level":-27.687265,"freq_skew":-1.965538,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":754,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30805,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[71,53,229,119]}]},{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30805,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[106,43,209,32]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":767175},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.974432,"noise_level":-27.561893,"freq_skew":0.456656,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4600,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":24,"dst_ref":23159,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[209,238]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"transient","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NOT AUTHORIZED NEXT DATA AUTHORITY","choice":"dM107NULL","data":{}}}]}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734936,"usec":769553},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.262532,"noise_level":-27.458782,"freq_skew":-0.703207,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734937,"usec":528801},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.218296,"noise_level":-27.356882,"freq_skew":0.685947,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734937,"usec":530083},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.213806,"noise_level":-27.276213,"freq_skew":0.662582,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734937,"usec":530451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.544516,"noise_level":-27.276213,"freq_skew":0.653617,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734937,"usec":534137},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.258629,"noise_level":-27.216198,"freq_skew":-0.652849,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734937,"usec":537990},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.237163,"noise_level":-27.019096,"freq_skew":0.745777,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2883,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23059,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[43,50]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734938,"usec":293042},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.070741,"noise_level":-26.769369,"freq_skew":1.847635,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"8S","blk_id":"2","ack":"!","flight":"U265RF","msg_num":"M24","msg_num_seq":"A","msg_text":"EGGW,2236,Y,N,N,0,1,1\r\n\r\n\r\n\r\n\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734938,"usec":293606},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.773783,"noise_level":-27.222853,"freq_skew":0.420905,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":23217,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734938,"usec":295508},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657048,"noise_level":-27.163204,"freq_skew":0.360405,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4601,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":24,"dst_ref":23159,"variable_part_params":[{"name":"checksum","value":[179,210]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734938,"usec":295616},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.174972,"noise_level":-27.143414,"freq_skew":0.759784,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2884,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3,"dst_ref":23059,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[94,96]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734939,"usec":56925},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.260345,"noise_level":-26.832729,"freq_skew":0.758823,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2885,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43328,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[171,88]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"current-data-authority-abort"}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734939,"usec":57545},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.868169,"noise_level":-27.869148,"freq_skew":0.471275,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4602,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734939,"usec":60613},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.344331,"noise_level":-27.762348,"freq_skew":1.009647,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734939,"usec":60766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569909,"noise_level":-27.762348,"freq_skew":-2.114603,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734939,"usec":61664},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548553,"noise_level":-27.719994,"freq_skew":1.036938,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IND","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EC75UB","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734939,"usec":63221},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665633,"noise_level":-27.677841,"freq_skew":0.853918,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000721","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,1,209,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734939,"usec":67315},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.561042,"noise_level":-27.511257,"freq_skew":1.626886,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734940,"usec":575552},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813208,"noise_level":-26.952156,"freq_skew":0.895669,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734940,"usec":575552},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.813208,"noise_level":-26.952156,"freq_skew":0.895669,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IND","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"EC75UB","msg_num":"S67","msg_num_seq":"A","msg_text":"0EV203534V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":35,"sec":34}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734940,"usec":575923},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.182559,"noise_level":-26.932840,"freq_skew":0.891953,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2886,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":5,"dst_ref":43328,"variable_part_params":[{"name":"checksum","value":[32,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734942,"usec":97423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878689,"noise_level":-26.334675,"freq_skew":0.833890,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734942,"usec":98244},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.009422,"noise_level":-26.410177,"freq_skew":0.318957,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":630,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734942,"usec":104620},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.046850,"noise_level":-26.159462,"freq_skew":1.614990,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[157,66,129,216]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734942,"usec":108408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.193985,"noise_level":-26.054192,"freq_skew":0.703095,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2224","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734942,"usec":869040},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569110,"noise_level":-25.745823,"freq_skew":0.589324,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":23341,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734943,"usec":627162},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.021702,"noise_level":-25.431778,"freq_skew":0.422344,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4602,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734943,"usec":627745},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.105124,"noise_level":-26.162996,"freq_skew":0.305080,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1143,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734943,"usec":629463},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904500,"noise_level":-26.162996,"freq_skew":0.505093,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406B91","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Request / Broadcast Handoff","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"autotune_freq","value":{"freq_mhz":136.975006,"modulation_support":["VDL-M2, D8PSK, 31500 bps"]}},{"name":"replacement_ground_stations","value":["109C1A","1091CA"]},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734943,"usec":632447},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459463,"noise_level":-26.360470,"freq_skew":1.452077,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734944,"usec":383752},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716171,"noise_level":-26.252748,"freq_skew":0.473873,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2224","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":23378,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734944,"usec":389738},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.200455,"noise_level":-26.006477,"freq_skew":2.450269,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43372,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[62,240,233,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734944,"usec":391249},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643686,"noise_level":-25.937376,"freq_skew":1.238200,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":809,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,67,107,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734945,"usec":913844},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393961,"noise_level":-25.211489,"freq_skew":2.341731,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MBK","mode":"2","label":"H2","blk_id":"8","ack":"!","flight":"V73543","msg_num":"M34","msg_num_seq":"A","msg_text":"02E28LEMHLEBBN40533E00112720153795M517278053G    QN42077W00020020303423M455286041G    Q"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734945,"usec":914332},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.494962,"noise_level":-25.195675,"freq_skew":0.606664,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53757,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":83,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[143,104,171,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734945,"usec":918706},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421939,"noise_level":-25.101402,"freq_skew":1.487907,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":825,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1614,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[181,238,157,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734946,"usec":664937},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.028438,"noise_level":-26.024534,"freq_skew":0.256100,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[11,150,77,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734946,"usec":665615},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.721045,"noise_level":-25.989841,"freq_skew":0.596651,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2224","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":23378,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734946,"usec":668739},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.443808,"noise_level":-25.886595,"freq_skew":-0.067086,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-4.300000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734946,"usec":669372},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.921866,"noise_level":-27.099821,"freq_skew":-1.013951,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[134,151,65,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734946,"usec":670188},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.289244,"noise_level":-27.080173,"freq_skew":0.694567,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734947,"usec":432411},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898735,"noise_level":-27.062941,"freq_skew":-0.415610,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"VY33KE","msg_num":"S77","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734947,"usec":432411},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.898735,"noise_level":-27.062941,"freq_skew":-0.415610,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734947,"usec":432597},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.425265,"noise_level":-27.062941,"freq_skew":0.487505,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734947,"usec":437007},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.332587,"noise_level":-27.284748,"freq_skew":0.475239,"avlc":{"src":{"addr":"4D2224","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734947,"usec":437509},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.082565,"noise_level":-27.673050,"freq_skew":-1.382495,"avlc":{"src":{"addr":"342211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734947,"usec":438064},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.123062,"noise_level":-27.652063,"freq_skew":-1.842765,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[228,43,223,181]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43286,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[134,205,78,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734947,"usec":438570},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.661604,"noise_level":-27.631126,"freq_skew":2.475794,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734947,"usec":440335},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.483793,"noise_level":-27.527195,"freq_skew":0.576437,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[37,227,7,110]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734948,"usec":193134},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013843,"noise_level":-27.404097,"freq_skew":0.817714,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":90,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30821,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[227,80,110,148]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734948,"usec":194728},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.747540,"noise_level":-27.322989,"freq_skew":1.501211,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":733,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734948,"usec":198369},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393561,"noise_level":-27.480473,"freq_skew":1.138284,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":568,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[123,176,147,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734948,"usec":198704},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.101106,"noise_level":-27.714451,"freq_skew":-0.149095,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734948,"usec":199160},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489120,"noise_level":-28.016386,"freq_skew":1.142766,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":569,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[178,171,187,119]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734948,"usec":202353},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.255553,"noise_level":-27.843246,"freq_skew":0.515274,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734948,"usec":956721},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.184387,"noise_level":-27.800495,"freq_skew":0.421901,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734948,"usec":959142},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.381287,"noise_level":-27.673492,"freq_skew":0.743136,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53762,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":18,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[2,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734948,"usec":963273},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.387741,"noise_level":-27.486401,"freq_skew":0.712795,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53763,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734949,"usec":717330},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692054,"noise_level":-27.263073,"freq_skew":0.952351,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734949,"usec":722073},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.486084,"noise_level":-27.150841,"freq_skew":0.842356,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":311,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[115,110]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734949,"usec":724593},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.048512,"noise_level":-27.223730,"freq_skew":-1.634741,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":755,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734949,"usec":726254},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.878216,"noise_level":-27.183916,"freq_skew":2.060018,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":776,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734950,"usec":478612},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.037131,"noise_level":-27.045984,"freq_skew":1.694632,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":242,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43418,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[130,50,157,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734950,"usec":480911},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.694191,"noise_level":-26.929476,"freq_skew":1.655936,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":704,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[237,195,227,195]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734950,"usec":485196},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.940962,"noise_level":-26.738703,"freq_skew":0.704649,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734950,"usec":486096},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.025916,"noise_level":-26.701048,"freq_skew":-2.039166,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[228,43,223,181]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43286,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[134,205,78,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734950,"usec":486822},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.352638,"noise_level":-26.682280,"freq_skew":0.673606,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734951,"usec":248013},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.638034,"noise_level":-26.405529,"freq_skew":2.409461,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":40.900002,"lon":-6.300000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734951,"usec":254785},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667464,"noise_level":-26.208038,"freq_skew":2.578209,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHS","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"U279YV","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734951,"usec":255033},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613714,"noise_level":-26.208038,"freq_skew":-1.894646,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":456,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43286,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[158,33,44,10]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734951,"usec":998849},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.040892,"noise_level":-26.593973,"freq_skew":2.734833,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20073207","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,118,135,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734952,"usec":1107},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.395290,"noise_level":-27.198910,"freq_skew":3.178942,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":32,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734952,"usec":2754},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538380,"noise_level":-27.416925,"freq_skew":1.188876,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":570,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[232,70,204,45]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734952,"usec":767716},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.090134,"noise_level":-27.262997,"freq_skew":2.465668,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734952,"usec":768203},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461514,"noise_level":-27.242977,"freq_skew":-1.709744,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734952,"usec":769783},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674662,"noise_level":-27.203075,"freq_skew":-1.762675,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":684,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[36,102,127,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734953,"usec":533801},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.078201,"noise_level":-26.890285,"freq_skew":-1.866790,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734953,"usec":540243},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.614342,"noise_level":-26.625540,"freq_skew":-1.875955,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[58,247,18,96]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734953,"usec":541099},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421167,"noise_level":-26.588367,"freq_skew":0.708609,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[85,247,5,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734953,"usec":542253},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.057756,"noise_level":-26.551357,"freq_skew":-2.043763,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.600000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734953,"usec":542984},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.028811,"noise_level":-27.096424,"freq_skew":0.441573,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734953,"usec":544118},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.242808,"noise_level":-27.057188,"freq_skew":2.557148,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734954,"usec":289749},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.638250,"noise_level":-26.901989,"freq_skew":0.679113,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734954,"usec":290151},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.949034,"noise_level":-26.882782,"freq_skew":1.999755,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734954,"usec":291181},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719967,"noise_level":-26.844498,"freq_skew":-2.151015,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"TP0828","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734954,"usec":292373},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.260077,"noise_level":-27.501791,"freq_skew":-1.912977,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,82,144,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734954,"usec":296420},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.536331,"noise_level":-27.298174,"freq_skew":0.660678,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"22251220","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734954,"usec":296554},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997326,"noise_level":-27.298174,"freq_skew":-2.168950,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":755,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[8,230,115,215]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734954,"usec":296762},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.789658,"noise_level":-27.278072,"freq_skew":0.551449,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTP","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734955,"usec":55813},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.927003,"noise_level":-27.001431,"freq_skew":-0.187149,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734955,"usec":56877},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683269,"noise_level":-26.982002,"freq_skew":0.743338,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2887,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734955,"usec":59356},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.314317,"noise_level":-26.904726,"freq_skew":-2.155854,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734955,"usec":60787},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.333072,"noise_level":-26.885513,"freq_skew":0.515777,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734955,"usec":818946},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528601,"noise_level":-26.473253,"freq_skew":1.620429,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":276,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30531,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[57,28,169,158]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30531,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[202,83,207,161]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":54}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734955,"usec":821402},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.663010,"noise_level":-26.436728,"freq_skew":0.550153,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734957,"usec":332750},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.035058,"noise_level":-26.191448,"freq_skew":1.620740,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734957,"usec":340391},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.001530,"noise_level":-25.861183,"freq_skew":3.139742,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734957,"usec":342577},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477593,"noise_level":-25.759441,"freq_skew":0.279021,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":889,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[43,128,128,5]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734958,"usec":100525},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.213083,"noise_level":-25.709017,"freq_skew":-1.936389,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":755,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[8,230,115,215]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734958,"usec":101597},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.932843,"noise_level":-26.094610,"freq_skew":0.774543,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":696,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734958,"usec":103924},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793792,"noise_level":-25.990120,"freq_skew":1.466514,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[203,113,173,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734958,"usec":108680},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.048707,"noise_level":-26.231094,"freq_skew":0.536001,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734958,"usec":110982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.445385,"noise_level":-26.231094,"freq_skew":0.438881,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734958,"usec":861974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.044088,"noise_level":-26.537428,"freq_skew":0.433618,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734958,"usec":863671},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.746206,"noise_level":-26.445728,"freq_skew":1.868478,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":863,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[197,91,29,90]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734958,"usec":864204},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.002811,"noise_level":-26.445728,"freq_skew":0.931459,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734959,"usec":623118},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716538,"noise_level":-25.983894,"freq_skew":-1.853356,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":530,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[133,187,15,94]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734959,"usec":624919},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768634,"noise_level":-25.932152,"freq_skew":1.730170,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5565,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734959,"usec":628735},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.519701,"noise_level":-25.863640,"freq_skew":1.768136,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30531,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[235,81,26,153]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734959,"usec":629602},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.863688,"noise_level":-25.829584,"freq_skew":1.940434,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":243,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[181,82,170,36]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734959,"usec":633314},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.656944,"noise_level":-25.761871,"freq_skew":1.538046,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43403,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[30,46,248,98]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":35,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734960,"usec":381561},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667017,"noise_level":-25.644630,"freq_skew":3.206840,"avlc":{"src":{"addr":"440614","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":261,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43391,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[179,222,127,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734960,"usec":384406},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.099383,"noise_level":-25.594866,"freq_skew":0.478641,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":169,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734960,"usec":384741},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.516958,"noise_level":-25.578339,"freq_skew":0.592425,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[165,40,35,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734960,"usec":388214},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.076786,"noise_level":-25.479843,"freq_skew":1.554266,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734960,"usec":388925},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.846493,"noise_level":-25.463533,"freq_skew":0.373054,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[221,73,57,49]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734961,"usec":149033},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.268656,"noise_level":-26.182425,"freq_skew":1.637503,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":56,"dst_ref":30531,"variable_part_params":[{"name":"atn_checksum","value":[67,9,185,12]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734961,"usec":149033},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.268656,"noise_level":-26.182425,"freq_skew":1.637503,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43403,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[137,88,53,138]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734961,"usec":150236},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.458418,"noise_level":-26.111916,"freq_skew":1.023380,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2888,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":6,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[124,194]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734961,"usec":150431},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.924078,"noise_level":-27.315084,"freq_skew":0.584221,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734961,"usec":153694},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.466596,"noise_level":-27.096066,"freq_skew":-2.748667,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":209,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,27,82,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734961,"usec":911286},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.243076,"noise_level":-26.599335,"freq_skew":0.864826,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2889,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[65,151]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734962,"usec":669091},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.940186,"noise_level":-26.343185,"freq_skew":1.056689,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2890,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43429,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[49,254]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5055307,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RYR3015","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[77,35,75],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[77,35,75],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"LEAL","destination_airport":"EINN"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734963,"usec":435604},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.897982,"noise_level":-25.989880,"freq_skew":0.724130,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":449,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734964,"usec":192219},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.995328,"noise_level":-25.501841,"freq_skew":0.708622,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734964,"usec":954948},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.516616,"noise_level":-25.196342,"freq_skew":1.400213,"avlc":{"src":{"addr":"400AFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734964,"usec":956904},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.171585,"noise_level":-25.102062,"freq_skew":0.925619,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2891,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43429,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[133,249]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734964,"usec":957996},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338137,"noise_level":-25.875809,"freq_skew":1.112192,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2056,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1585,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[80,140]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734964,"usec":961515},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781962,"noise_level":-25.824707,"freq_skew":2.032952,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734965,"usec":720951},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.354878,"noise_level":-25.656498,"freq_skew":0.668062,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2892,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":43429,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[210,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734965,"usec":725889},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736962,"noise_level":-26.266434,"freq_skew":1.259803,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43398,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[29,128]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734965,"usec":729071},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.640414,"noise_level":-26.230766,"freq_skew":0.294979,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4603,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43388,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[75,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734965,"usec":733412},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.922315,"noise_level":-26.107067,"freq_skew":0.900907,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":41.400002,"lon":-6.400000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734966,"usec":481191},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.881174,"noise_level":-26.108253,"freq_skew":0.440172,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734966,"usec":481396},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.069809,"noise_level":-26.117321,"freq_skew":0.535592,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4604,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43388,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[171,194]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734966,"usec":482781},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.729554,"noise_level":-26.029928,"freq_skew":0.478785,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":449,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734966,"usec":483087},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.955127,"noise_level":-26.012554,"freq_skew":1.233197,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"EC45FP","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734966,"usec":483087},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.955127,"noise_level":-26.012554,"freq_skew":1.233197,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006301","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,74,85,0,68,12,193,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734966,"usec":484238},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.598142,"noise_level":-25.943405,"freq_skew":0.641236,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21006301","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734966,"usec":485354},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.288912,"noise_level":-25.891905,"freq_skew":1.100495,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2057,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1585,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[134,11]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734966,"usec":486957},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.806701,"noise_level":-25.806740,"freq_skew":2.753238,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2073,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[10,194]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734967,"usec":247921},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.999314,"noise_level":-25.457899,"freq_skew":2.866917,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2074,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43350,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[85,175]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734967,"usec":248886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.819459,"noise_level":-25.425396,"freq_skew":0.888069,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":1207},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.217644,"noise_level":-25.932034,"freq_skew":0.510765,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53778,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":1795},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.523364,"noise_level":-25.914856,"freq_skew":0.360254,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.200001,"lon":-3.700000},"alt":26000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":2237},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.603887,"noise_level":-26.980412,"freq_skew":0.558690,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":2494},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679627,"noise_level":-26.980412,"freq_skew":0.703271,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"Z","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":3351},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.813345,"noise_level":-27.186188,"freq_skew":-0.184866,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":495,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":4182},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657428,"noise_level":-27.146547,"freq_skew":0.720613,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":5126},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.768435,"noise_level":-27.107084,"freq_skew":0.700445,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2893,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":7,"dst_ref":43430,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[139,220]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":767856},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.186375,"noise_level":-26.835749,"freq_skew":-2.244733,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":43.900002,"lon":-4.800000},"alt":32000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":768433},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.228280,"noise_level":-26.816690,"freq_skew":0.457883,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":769151},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.705069,"noise_level":-27.238121,"freq_skew":0.489562,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6663","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":770942},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.049733,"noise_level":-27.119026,"freq_skew":1.563537,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":622,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":771903},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.547931,"noise_level":-27.060085,"freq_skew":3.056043,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":773013},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440192,"noise_level":-27.001541,"freq_skew":-2.046338,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISC","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH048X","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":773013},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.440192,"noise_level":-27.001541,"freq_skew":-2.046338,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17063143","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,102,99,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734968,"usec":774431},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.374526,"noise_level":-26.943388,"freq_skew":-0.267068,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".HB-JZX","mode":"2","label":"H2","blk_id":"4","ack":"!","flight":"DS34XD","msg_num":"M20","msg_num_seq":"A","msg_text":"02E28LPPTLSGGN40509W00630520013601M485307047G    QN41213W00533420083603M460314042G    QN41490W00433920153601M470311040G    QN42139W00331220223601M475311035G    QN42311W00223720293602M472301038G    QN42415W00111"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734969,"usec":524112},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.489449,"noise_level":-26.904835,"freq_skew":0.462637,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6663","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"17063143","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734969,"usec":524971},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.328222,"noise_level":-26.866453,"freq_skew":0.714813,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43430,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[172,22]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":6}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734969,"usec":525108},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.326276,"noise_level":-26.847324,"freq_skew":0.471620,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21006301","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734969,"usec":525648},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.610196,"noise_level":-26.828239,"freq_skew":0.166232,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734969,"usec":526191},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.779912,"noise_level":-26.790192,"freq_skew":0.928359,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"EC45FP","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734969,"usec":527574},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.979794,"noise_level":-26.733435,"freq_skew":1.026123,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006301","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,74,85,0,68,12,193,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734969,"usec":529188},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657651,"noise_level":-26.658327,"freq_skew":2.842807,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"FRMR","pf":true,"unknown_proto":{"data":[97,152,8]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734970,"usec":289235},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809350,"noise_level":-26.455074,"freq_skew":-2.305743,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734970,"usec":289620},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.443078,"noise_level":-26.436829,"freq_skew":0.450269,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6663","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISC","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734970,"usec":290414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.178360,"noise_level":-26.400455,"freq_skew":0.632958,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734970,"usec":290665},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.879537,"noise_level":-26.382328,"freq_skew":0.615784,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734970,"usec":293814},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.861761,"noise_level":-26.220840,"freq_skew":2.765732,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"FRMR","pf":true,"unknown_proto":{"data":[134,0,8]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734970,"usec":295248},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.876851,"noise_level":-26.220840,"freq_skew":0.988194,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734970,"usec":295518},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.960805,"noise_level":-26.203081,"freq_skew":0.562259,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"_d","blk_id":"Z","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734970,"usec":297527},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.026013,"noise_level":-26.132404,"freq_skew":0.809053,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[65,150]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734970,"usec":297727},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405962,"noise_level":-26.132404,"freq_skew":-0.235195,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JZX","mode":"2","label":"H2","blk_id":"5","ack":"!","flight":"DS34XD","msg_num":"M20","msg_num_seq":"B","msg_text":"02E28LPPTLSGGN40509W00630520013601M485307047G    QN41213W00533420083603M460314042G    QN41490W00433920153601M470311040G    QN42139W00331220223601M475311035G    QN42311W00223720293602M472301038G    QN42415W00111720363603M465301035G    Q"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734971,"usec":48759},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.948018,"noise_level":-26.514494,"freq_skew":0.955089,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734971,"usec":48936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.138131,"noise_level":-27.470455,"freq_skew":-2.298647,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734971,"usec":55140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.257252,"noise_level":-27.108597,"freq_skew":1.165164,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734972,"usec":568446},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.023338,"noise_level":-26.537109,"freq_skew":2.108696,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":777,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43322,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[198,175,136,228]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734972,"usec":577414},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.627028,"noise_level":-26.123096,"freq_skew":-0.150349,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":798,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[230,185,169,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734973,"usec":343508},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764665,"noise_level":-25.761583,"freq_skew":1.190264,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43398,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[211,32]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":104176},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.922680,"noise_level":-25.545101,"freq_skew":-0.478869,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":753,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[217,107,52,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":104373},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.632725,"noise_level":-25.545101,"freq_skew":0.473610,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53785,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[140,6,28,101]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":104675},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.699357,"noise_level":-25.528669,"freq_skew":0.793178,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2895,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43430,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[128,253]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":106025},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369248,"noise_level":-25.463255,"freq_skew":-0.868713,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1617,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,204,98,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":106118},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465337,"noise_level":-25.463255,"freq_skew":0.855150,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"5Y","blk_id":"4","ack":"!","flight":"TP0646","msg_num":"M14","msg_num_seq":"A","msg_text":"---2231  63N 412146,W  55110,31979,  448375,MS38,300, 49,265,203612,14000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":860168},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.117808,"noise_level":-25.856390,"freq_skew":0.541809,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":860256},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372658,"noise_level":-25.856390,"freq_skew":3.083761,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"FRMR","pf":true,"unknown_proto":{"data":[134,0,8]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":860629},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304025,"noise_level":-25.839359,"freq_skew":0.634426,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":861264},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485197,"noise_level":-25.990845,"freq_skew":0.656367,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVG","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":863772},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.103662,"noise_level":-25.921867,"freq_skew":0.947221,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2896,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43430,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[124,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":864831},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.490024,"noise_level":-26.374168,"freq_skew":-0.403116,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734974,"usec":865703},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.131178,"noise_level":-26.338055,"freq_skew":0.278331,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"TP1369","msg_num":"J10","msg_num_seq":"A","msg_text":"/LPPT.TI2/000LPPTAF59C"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734975,"usec":628372},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.976467,"noise_level":-26.816635,"freq_skew":0.915281,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734975,"usec":630329},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511206,"noise_level":-26.978226,"freq_skew":0.606615,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734975,"usec":631755},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212636,"noise_level":-26.900982,"freq_skew":1.862438,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":634,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[42,138,11,62]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734976,"usec":390042},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.461001,"noise_level":-26.786388,"freq_skew":0.330867,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":466,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734976,"usec":390894},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.776263,"noise_level":-27.582783,"freq_skew":1.809930,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":40.100002,"lon":-4.200000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734976,"usec":392924},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518414,"noise_level":-27.438423,"freq_skew":0.147087,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734976,"usec":394555},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.582749,"noise_level":-27.356997,"freq_skew":0.609306,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.200001,"lon":-3.700000},"alt":26000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734976,"usec":395460},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.144290,"noise_level":-27.316568,"freq_skew":1.770519,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"U253LM","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734976,"usec":395460},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.144290,"noise_level":-27.316568,"freq_skew":1.770519,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734976,"usec":397507},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.646589,"noise_level":-27.544220,"freq_skew":0.527171,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734977,"usec":143765},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.603150,"noise_level":-27.482334,"freq_skew":2.114584,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3751,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734977,"usec":146099},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.111323,"noise_level":-27.339621,"freq_skew":1.064804,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1453,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734977,"usec":146240},"freq":136975000,"burst_len_octets":236,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011025,"noise_level":-27.319422,"freq_skew":0.497048,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"A9","blk_id":"N","ack":"!","msg_text":"/LISCAYA.TI2/LPPT ARR ATIS H\r\n2030Z EXP ILS APCH\r\nRWY IN USE 02\r\nTRL 50\r\nPAPI OUT OF SERVICE\r\nAFTER LDG VACATE VIA H\" 4\r\nWND TDZ 320 DEG 17 KT\r\nCAVOK\r\nTEMP 23 DP 15 QNH 1014\r\nACK ARR INFO H\r\n\r\n\r\n098B\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734977,"usec":147723},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575402,"noise_level":-27.239098,"freq_skew":-0.877857,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[118,47,217,240]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734977,"usec":148188},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676596,"noise_level":-27.570240,"freq_skew":0.241727,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVO","mode":"2","label":"_d","blk_id":"5","ack":"N","flight":"TP1369","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734977,"usec":910328},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.189385,"noise_level":-27.385338,"freq_skew":1.874215,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734977,"usec":912897},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.055538,"noise_level":-27.204288,"freq_skew":0.593353,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734977,"usec":913176},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.699729,"noise_level":-27.184402,"freq_skew":1.362100,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43398,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[211,32]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734977,"usec":916736},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.075292,"noise_level":-27.066036,"freq_skew":0.569738,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734979,"usec":433446},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.428869,"noise_level":-26.244049,"freq_skew":0.291132,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":466,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734980,"usec":197826},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.051864,"noise_level":-26.580904,"freq_skew":1.821679,"avlc":{"src":{"addr":"4CAFC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GSJ","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FRRYR3","msg_num":"M09","msg_num_seq":"A","msg_text":"203618,M118172,2254, 201,N 38.910 W  3.638"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734980,"usec":958230},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.411999,"noise_level":-26.568535,"freq_skew":3.017389,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":27,"pkt_type_name":"Reset Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":2,"diag_code_descr":"Invalid P(R)"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734980,"usec":963495},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.807724,"noise_level":-26.277416,"freq_skew":2.745412,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LPPR"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["129F1A","1191CA","1199BA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734980,"usec":964078},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.016135,"noise_level":-26.259541,"freq_skew":0.775562,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1453,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734981,"usec":711886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.033595,"noise_level":-26.135435,"freq_skew":1.951607,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734981,"usec":713410},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.245207,"noise_level":-26.147013,"freq_skew":1.531997,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":734,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[132,151,132,39]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734981,"usec":714783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.963432,"noise_level":-27.101624,"freq_skew":1.522634,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734981,"usec":716959},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.894767,"noise_level":-27.042799,"freq_skew":0.377754,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734981,"usec":721489},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833374,"noise_level":-27.771271,"freq_skew":1.132659,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":571,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43166,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[97,89,120,162]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[214,205,175,118]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":21}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734981,"usec":721912},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.490484,"noise_level":-27.750044,"freq_skew":2.902733,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734981,"usec":722198},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.670567,"noise_level":-27.728872,"freq_skew":1.417847,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734982,"usec":481222},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.139693,"noise_level":-27.686676,"freq_skew":0.668165,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734982,"usec":481661},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.239185,"noise_level":-27.665657,"freq_skew":1.816918,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43403,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[222,37,103,53]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734982,"usec":481748},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.996038,"noise_level":-27.644690,"freq_skew":2.095759,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["119C1A","119ADA","1191CA","11928A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734982,"usec":483011},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.705499,"noise_level":-27.561317,"freq_skew":0.454520,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F0E","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734982,"usec":483820},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.031960,"noise_level":-27.499306,"freq_skew":2.911550,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124330","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,216,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734982,"usec":484531},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.693644,"noise_level":-27.458210,"freq_skew":0.657431,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"H1","blk_id":"O","ack":"!","msg_text":".HAM43LH 282036 MESX142 JUL25\r\nDFD\r\nAN CS-TVD\r\n- #DFREQ19\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734983,"usec":239386},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393757,"noise_level":-27.235600,"freq_skew":1.454491,"avlc":{"src":{"addr":"4CAFC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734983,"usec":241812},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.778074,"noise_level":-27.057611,"freq_skew":1.217340,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":617,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734983,"usec":244794},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.362585,"noise_level":-27.038059,"freq_skew":1.446208,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734983,"usec":245994},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.676677,"noise_level":-26.999084,"freq_skew":2.109202,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20077416","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,64,127,14,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734983,"usec":246162},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636437,"noise_level":-28.051331,"freq_skew":0.817439,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[76,68,233,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734983,"usec":248876},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.686013,"noise_level":-27.920635,"freq_skew":0.637189,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F0E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20077416","facilities":[{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":6287},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.334748,"noise_level":-27.770597,"freq_skew":0.733370,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":7125},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.424115,"noise_level":-28.164379,"freq_skew":1.883914,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKJ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FRRUK6","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":8603},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.118799,"noise_level":-29.047766,"freq_skew":0.628395,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":13231},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.308366,"noise_level":-28.829010,"freq_skew":-1.056060,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":758121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.261041,"noise_level":-28.733524,"freq_skew":0.525496,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F0E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":759784},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538098,"noise_level":-28.592239,"freq_skew":3.101809,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43413,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[220,218,156,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":760193},"freq":136975000,"burst_len_octets":124,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066148,"noise_level":-29.480684,"freq_skew":2.894571,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,82,89,82,0,76,168,216,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":2077,"segment_offset":0,"pdu_total_len":104},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"priority","value":[11]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43350,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[162,38]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":11}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":760508},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767638,"noise_level":-29.454849,"freq_skew":0.610598,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F0E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKJ","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":761194},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.872556,"noise_level":-29.403410,"freq_skew":2.153044,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":765415},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.644280,"noise_level":-29.125813,"freq_skew":0.448726,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.200001,"lon":-3.700000},"alt":26000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734984,"usec":766017},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659207,"noise_level":-29.101011,"freq_skew":2.749326,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734985,"usec":531958},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.851869,"noise_level":-28.832767,"freq_skew":0.581674,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"H1","blk_id":"O","ack":"!","msg_text":".HAM43LH 282036 MESX142 JUL25\r\nDFD\r\nAN CS-TVD\r\n- #DFREQ19\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734985,"usec":533100},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730804,"noise_level":-28.825172,"freq_skew":0.699649,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734985,"usec":534143},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.732167,"noise_level":-28.753494,"freq_skew":0.866195,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"0","ack":"O","flight":"TP0944","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734985,"usec":535313},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.864913,"noise_level":-28.682402,"freq_skew":2.120940,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734985,"usec":535612},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.994658,"noise_level":-28.682402,"freq_skew":0.478980,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":24599,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734986,"usec":293270},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.425732,"noise_level":-28.578602,"freq_skew":2.739528,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734986,"usec":295623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.329732,"noise_level":-28.719463,"freq_skew":0.469501,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734986,"usec":302424},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.768300,"noise_level":-28.462580,"freq_skew":0.747987,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[135,191,50,33]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734987,"usec":47735},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.053474,"noise_level":-28.257904,"freq_skew":0.708002,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":91,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[145,147,73,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734987,"usec":48083},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.115605,"noise_level":-28.235456,"freq_skew":1.168267,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734987,"usec":49480},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850910,"noise_level":-28.900116,"freq_skew":1.183450,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":572,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43166,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[23,4,156,189]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734987,"usec":53319},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.343427,"noise_level":-28.875950,"freq_skew":1.518758,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5580,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[182,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734987,"usec":55847},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762640,"noise_level":-29.506783,"freq_skew":1.384701,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":573,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61073,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[6,58,44,173]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734987,"usec":56205},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.033639,"noise_level":-29.506783,"freq_skew":0.629253,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734987,"usec":812311},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808418,"noise_level":-29.352457,"freq_skew":0.580151,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F0E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":24657,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734987,"usec":812688},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.193011,"noise_level":-29.327002,"freq_skew":1.840393,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":641,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":66,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[202,112]},{"name":"atn_checksum","value":[207,165,109,213]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734987,"usec":813345},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801874,"noise_level":-29.276310,"freq_skew":1.231857,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":574,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":66,"dst_ref":43166,"variable_part_params":[{"name":"atn_checksum","value":[175,200,183,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734988,"usec":573949},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083188,"noise_level":-28.785046,"freq_skew":1.833356,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43431,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[28,75,17,131]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734988,"usec":573949},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.083188,"noise_level":-28.785046,"freq_skew":1.833356,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":643,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43431,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[41,217,42,245]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4198635,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"EZY53LM","long_tsap":{"rdp":[65,69,90,89,0],"short_tsap":{"ars":[64,16,235],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,69,90,89,0],"short_tsap":{"ars":[64,16,235],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"LEZL","destination_airport":"EGKK"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734988,"usec":576364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.976347,"noise_level":-28.596062,"freq_skew":1.988664,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734988,"usec":577782},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369364,"noise_level":-29.390184,"freq_skew":1.504186,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5581,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43210,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[133,34]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734989,"usec":335557},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.310897,"noise_level":-29.592104,"freq_skew":0.689075,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[15,162]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734989,"usec":339113},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440086,"noise_level":-29.257925,"freq_skew":1.775819,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43403,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[52,241,153,223]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43403,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[78,99,196,250]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734989,"usec":339260},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.990465,"noise_level":-29.232746,"freq_skew":0.562563,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":58,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[124,11,49,40]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NEXT DATA AUTHORITY [facility]","choice":"uM160Facility","data":{"facility":{"choice":"facilityDesignation","data":{"facility_designation":"LPPC"}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":102536},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931392,"noise_level":-28.887663,"freq_skew":1.182490,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":573,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61073,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[6,58,44,173]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":102536},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.931392,"noise_level":-28.887663,"freq_skew":1.182490,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":574,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":66,"dst_ref":43166,"variable_part_params":[{"name":"atn_checksum","value":[175,200,183,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":104334},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.287684,"noise_level":-28.887663,"freq_skew":1.740403,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":106545},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.451975,"noise_level":-29.483093,"freq_skew":2.905094,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":106969},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.107193,"noise_level":-29.457253,"freq_skew":0.375733,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":304,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[211,187,68,102]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43337,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[250,77,210,113]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":107633},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.270318,"noise_level":-29.431486,"freq_skew":-0.228544,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":754,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43296,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[47,56,102,32]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[244,158,21,176]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":110117},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.083828,"noise_level":-29.354649,"freq_skew":0.443106,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":860842},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.845470,"noise_level":-29.202978,"freq_skew":3.085831,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2078,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[254,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":860929},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.929048,"noise_level":-29.202978,"freq_skew":0.549397,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[250,244,85,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":863837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.779164,"noise_level":-29.359266,"freq_skew":1.493809,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":866715},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.834041,"noise_level":-29.283062,"freq_skew":1.715512,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43431,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[143,234,12,115]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":866715},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.834041,"noise_level":-29.283062,"freq_skew":1.715512,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":645,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":66,"dst_ref":43431,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[138,12,187,196]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734990,"usec":867036},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.771283,"noise_level":-29.641878,"freq_skew":1.182891,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[238,80,142,111]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734991,"usec":628623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.358062,"noise_level":-29.356680,"freq_skew":0.189725,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734991,"usec":628776},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.023039,"noise_level":-29.356680,"freq_skew":0.618750,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53798,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":1624,"dst_ref":0,"credit":15,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,111]},{"name":"called_responding_transport_selector","value":[22]},{"name":"tpdu_size","value":512},{"name":"atn_checksum","value":[74,164,43,36]},{"name":"checksum","value":[157,136]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,2,25430019,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":22}}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734991,"usec":629220},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.788795,"noise_level":-29.580338,"freq_skew":-0.149569,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734991,"usec":635261},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.140408,"noise_level":-29.297119,"freq_skew":0.043877,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":59,"dst_ref":1624,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[189,241,7,137]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734991,"usec":635871},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.514546,"noise_level":-29.271824,"freq_skew":0.983153,"avlc":{"src":{"addr":"4401D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734991,"usec":637445},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.623545,"noise_level":-29.146442,"freq_skew":-1.901438,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":458,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734992,"usec":382905},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.849664,"noise_level":-29.096792,"freq_skew":1.387203,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":810,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[238,242,146,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734992,"usec":386174},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.440272,"noise_level":-28.804707,"freq_skew":0.582527,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53803,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[100,22,58,196]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734993,"usec":148001},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.214879,"noise_level":-28.452894,"freq_skew":-0.805237,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734993,"usec":149582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369313,"noise_level":-28.338718,"freq_skew":0.047401,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734993,"usec":151417},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.934866,"noise_level":-28.226023,"freq_skew":-2.685743,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":210,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734993,"usec":154011},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011312,"noise_level":-28.490490,"freq_skew":1.949726,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734993,"usec":154011},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.011312,"noise_level":-28.490490,"freq_skew":1.949726,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":646,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":67,"dst_ref":43432,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[229,157,252,113]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734993,"usec":909758},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.600445,"noise_level":-28.997955,"freq_skew":0.697893,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734993,"usec":910288},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.477464,"noise_level":-28.949144,"freq_skew":1.148045,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":618,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[146,222,56,19]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734993,"usec":922082},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696136,"noise_level":-28.614939,"freq_skew":1.313962,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734994,"usec":669633},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428344,"noise_level":-28.406689,"freq_skew":3.160009,"avlc":{"src":{"addr":"440614","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43391,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[124,57,76,103]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734994,"usec":670141},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.900957,"noise_level":-28.361080,"freq_skew":1.695738,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":244,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734994,"usec":671136},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.901245,"noise_level":-28.293114,"freq_skew":0.797019,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":158,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734994,"usec":671349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905382,"noise_level":-28.270576,"freq_skew":0.571279,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734994,"usec":671873},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.991982,"noise_level":-28.248096,"freq_skew":1.646989,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734994,"usec":672644},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183680,"noise_level":-28.375481,"freq_skew":1.165920,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[238,80,142,111]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734995,"usec":428005},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.406554,"noise_level":-28.172821,"freq_skew":0.454053,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20324,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32644,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[186,86,149,98]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734995,"usec":429247},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.037948,"noise_level":-28.084249,"freq_skew":-0.164049,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":755,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43296,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[187,85,95,235]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734995,"usec":429786},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234850,"noise_level":-28.040297,"freq_skew":1.955147,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXM","mode":"2","label":"15","blk_id":"8","ack":"!","flight":"BA07JD","msg_num":"M22","msg_num_seq":"A","msg_text":"FST01LEMGEGKKN40241W0035145380  80  29     43293      436  22332036"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734995,"usec":430679},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.328549,"noise_level":-27.974787,"freq_skew":0.522868,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734995,"usec":432690},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.286259,"noise_level":-27.888199,"freq_skew":1.721836,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43403,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[199,129,233,132]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":34}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734995,"usec":432863},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.328840,"noise_level":-27.888199,"freq_skew":-0.469303,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":756,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61097,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[47,1,132,174]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":34}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734995,"usec":433183},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.766697,"noise_level":-27.866686,"freq_skew":0.301754,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.200001,"lon":-3.700000},"alt":26000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734995,"usec":436510},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.909452,"noise_level":-28.040295,"freq_skew":0.499892,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734995,"usec":437021},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359162,"noise_level":-28.018402,"freq_skew":-1.001540,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[169,1,65,219]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734996,"usec":202037},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.054166,"noise_level":-27.675430,"freq_skew":-0.407876,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":757,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":78,"dst_ref":43296,"variable_part_params":[{"name":"atn_checksum","value":[27,200,253,106]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734996,"usec":204267},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.281778,"noise_level":-27.591763,"freq_skew":0.518976,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734996,"usec":204883},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.973523,"noise_level":-27.570971,"freq_skew":1.762334,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":647,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43432,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[93,67,5,152]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734996,"usec":205841},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.836482,"noise_level":-28.479822,"freq_skew":-0.454372,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734996,"usec":205841},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.836482,"noise_level":-28.479822,"freq_skew":-0.454372,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":758,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61097,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[87,203,228,185]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734997,"usec":716611},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.111273,"noise_level":-27.687056,"freq_skew":-0.253782,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":759,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61097,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[172,152,23,100]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61097,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[114,208,210,64]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734997,"usec":716782},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557285,"noise_level":-27.687056,"freq_skew":0.562560,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"5Y","blk_id":"4","ack":"!","flight":"TP1366","msg_num":"M16","msg_num_seq":"A","msg_text":"---2208  44N 434734,W  41912,34002,  378250,MS44,332, 37,232,203630,9720"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734997,"usec":716906},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.353397,"noise_level":-27.687056,"freq_skew":1.959393,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":648,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43432,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[177,29,12,30]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734997,"usec":718958},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500775,"noise_level":-27.803736,"freq_skew":0.468455,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53810,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[160,177,21,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734998,"usec":484444},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.078338,"noise_level":-27.792910,"freq_skew":-2.723441,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734998,"usec":484949},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.171021,"noise_level":-28.587517,"freq_skew":0.673566,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734998,"usec":485108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.202880,"noise_level":-28.587517,"freq_skew":2.026018,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734998,"usec":485633},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571376,"noise_level":-28.876213,"freq_skew":1.276700,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":381,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1603,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[89,53,147,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734998,"usec":486565},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.249064,"noise_level":-28.824480,"freq_skew":3.028141,"avlc":{"src":{"addr":"440614","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-ISC","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"EC41RK","msg_num":"M37","msg_num_seq":"A","msg_text":"/LPPT.TI2/040LPPTA345A"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734998,"usec":489096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.107792,"noise_level":-28.634647,"freq_skew":-1.857915,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734998,"usec":490246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.917861,"noise_level":-28.587833,"freq_skew":-0.484528,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734998,"usec":491504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.507833,"noise_level":-28.494949,"freq_skew":1.736523,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734999,"usec":237627},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.365498,"noise_level":-28.425930,"freq_skew":0.532485,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVJ","mode":"2","label":"_d","blk_id":"Y","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734999,"usec":237946},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.589540,"noise_level":-28.403046,"freq_skew":0.675665,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":24991,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734999,"usec":237946},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.589540,"noise_level":-28.403046,"freq_skew":0.675665,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734999,"usec":238745},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.000365,"noise_level":-28.357456,"freq_skew":1.889489,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734999,"usec":240010},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.149398,"noise_level":-28.659391,"freq_skew":-3.816591,"avlc":{"src":{"addr":"3474CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[4]},{"name":"dst_airport","value":"EDDP"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753734999,"usec":243191},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.483499,"noise_level":-28.473095,"freq_skew":1.707953,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":649,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43432,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[7,233,62,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735000,"usec":3347},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.614279,"noise_level":-28.268175,"freq_skew":0.885743,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735000,"usec":4621},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.741879,"noise_level":-28.178627,"freq_skew":1.728040,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735000,"usec":5007},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.505537,"noise_level":-28.134197,"freq_skew":0.883300,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735000,"usec":6067},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.297112,"noise_level":-28.067978,"freq_skew":1.172371,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":576,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735000,"usec":8389},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.365245,"noise_level":-27.958717,"freq_skew":-3.736289,"avlc":{"src":{"addr":"3474CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":251,"calling_addr":"15072316","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,83,87,84,0,52,116,206,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735000,"usec":9055},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659654,"noise_level":-27.937031,"freq_skew":0.420991,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[24,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735000,"usec":766768},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.038039,"noise_level":-27.680914,"freq_skew":1.779813,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43403,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[167,145,148,207]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735000,"usec":768195},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.082776,"noise_level":-27.576389,"freq_skew":1.739055,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735000,"usec":768433},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.070020,"noise_level":-27.555635,"freq_skew":2.941777,"avlc":{"src":{"addr":"440614","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735000,"usec":771641},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695416,"noise_level":-27.432137,"freq_skew":0.708186,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":57,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[243,98,63,27]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":134.355000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735001,"usec":531306},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.400760,"noise_level":-27.883953,"freq_skew":0.690676,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35217,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[15,162]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735001,"usec":533085},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839104,"noise_level":-27.755733,"freq_skew":1.126107,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[33,62,223,237]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43364,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,216,74,14]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":40}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735001,"usec":535465},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.840100,"noise_level":-27.629375,"freq_skew":-3.576818,"avlc":{"src":{"addr":"3474CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735001,"usec":535990},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.435138,"noise_level":-27.629375,"freq_skew":1.990965,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":705,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[177,75,134,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735001,"usec":540755},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.289770,"noise_level":-28.243587,"freq_skew":0.587553,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[202,210,171,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735001,"usec":541392},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.078958,"noise_level":-28.243587,"freq_skew":1.619639,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735002,"usec":291088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751647,"noise_level":-28.087917,"freq_skew":1.442279,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735002,"usec":292159},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.751613,"noise_level":-28.022045,"freq_skew":0.323058,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6555,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30829,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[179,137]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735003,"usec":50589},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.029719,"noise_level":-27.636982,"freq_skew":1.720583,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-7.100000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735003,"usec":50756},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.246398,"noise_level":-27.616081,"freq_skew":1.182554,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735003,"usec":50874},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.206566,"noise_level":-27.616081,"freq_skew":0.565912,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735003,"usec":59852},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.071748,"noise_level":-27.228245,"freq_skew":-0.874944,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735003,"usec":817989},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.189129,"noise_level":-26.991930,"freq_skew":1.855453,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43403,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[167,145,148,207]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735003,"usec":823811},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.976841,"noise_level":-26.724117,"freq_skew":-0.283194,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":496,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[42,74,241,203]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735004,"usec":571181},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.194416,"noise_level":-26.593243,"freq_skew":3.146298,"avlc":{"src":{"addr":"440614","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-ISC","mode":"2","label":"_d","blk_id":"0","ack":"N","flight":"EC41RK","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735004,"usec":572285},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.335258,"noise_level":-26.519335,"freq_skew":-0.660432,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735004,"usec":574780},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.979762,"noise_level":-26.427824,"freq_skew":-0.896121,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"AF1358","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735004,"usec":575624},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299180,"noise_level":-26.373377,"freq_skew":0.731852,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735006,"usec":99989},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730322,"noise_level":-25.694979,"freq_skew":-0.806039,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735006,"usec":103770},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.178177,"noise_level":-25.512840,"freq_skew":-0.159968,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"30","blk_id":"2","ack":"!","flight":"TP0555","msg_num":"M55","msg_num_seq":"A","msg_text":"2118"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735006,"usec":860119},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.130124,"noise_level":-25.191158,"freq_skew":0.483447,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735006,"usec":861020},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904153,"noise_level":-25.143917,"freq_skew":-0.693413,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735006,"usec":864510},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.387614,"noise_level":-25.003717,"freq_skew":0.440421,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"_d","blk_id":"Z","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735007,"usec":619209},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336491,"noise_level":-24.835377,"freq_skew":0.643959,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[207,96,242,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735007,"usec":619352},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.555125,"noise_level":-24.820234,"freq_skew":1.227530,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":577,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[68,29,192,26]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61073,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[202,27,155,217]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735007,"usec":619440},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.197419,"noise_level":-24.820234,"freq_skew":0.384074,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.200001,"lon":-3.700000},"alt":26000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735007,"usec":620075},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.088721,"noise_level":-24.790028,"freq_skew":-2.310737,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":158,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43370,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[99,88,52,153]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735007,"usec":620427},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.779442,"noise_level":-24.774963,"freq_skew":0.451702,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735007,"usec":621471},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.466498,"noise_level":-24.729927,"freq_skew":0.281137,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":890,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[218,178,125,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735007,"usec":625969},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.736460,"noise_level":-25.648794,"freq_skew":-0.202526,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735007,"usec":626658},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.925806,"noise_level":-25.835499,"freq_skew":0.540324,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"VY04LJ","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735007,"usec":626658},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.925806,"noise_level":-25.835499,"freq_skew":0.540324,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,68,9,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735007,"usec":627356},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986815,"noise_level":-26.002281,"freq_skew":0.190621,"avlc":{"src":{"addr":"347645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43294,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[218,124]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735008,"usec":386228},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.449468,"noise_level":-25.847645,"freq_skew":0.422188,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15042011","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735008,"usec":387901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.097613,"noise_level":-25.762911,"freq_skew":0.743175,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6663","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735008,"usec":388179},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.425741,"noise_level":-25.746063,"freq_skew":0.720917,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735008,"usec":389530},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939798,"noise_level":-25.678997,"freq_skew":-0.496836,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":353,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735009,"usec":145628},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.197818,"noise_level":-25.905703,"freq_skew":1.197731,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735009,"usec":146258},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.603140,"noise_level":-25.854424,"freq_skew":0.618080,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735009,"usec":146966},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.527642,"noise_level":-25.820404,"freq_skew":0.767159,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":312,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735009,"usec":148918},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.965644,"noise_level":-25.719137,"freq_skew":0.529217,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735009,"usec":149574},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.154552,"noise_level":-25.685644,"freq_skew":0.495604,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735009,"usec":905543},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.024924,"noise_level":-25.422239,"freq_skew":-1.859340,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[153,152,72,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735009,"usec":906020},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.197197,"noise_level":-25.609606,"freq_skew":0.481560,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735009,"usec":906322},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.026240,"noise_level":-26.363750,"freq_skew":0.643457,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735009,"usec":908811},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.109357,"noise_level":-26.951590,"freq_skew":-0.264401,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[151,198,18,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735010,"usec":674180},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.030311,"noise_level":-27.052452,"freq_skew":1.839026,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":41.100002,"lon":-7.100000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735010,"usec":679112},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.196296,"noise_level":-27.242527,"freq_skew":1.716427,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDL","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"U265RF","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735010,"usec":679112},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.196296,"noise_level":-27.242527,"freq_skew":1.716427,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20055545","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,91,101,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735011,"usec":435214},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625845,"noise_level":-27.525808,"freq_skew":0.534056,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":25331,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735011,"usec":436695},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.700579,"noise_level":-27.986786,"freq_skew":0.666843,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Request / Broadcast Handoff","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"autotune_freq","value":{"freq_mhz":136.975006,"modulation_support":["VDL-M2, D8PSK, 31500 bps"]}},{"name":"replacement_ground_stations","value":["109F1A"]},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735011,"usec":438820},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.232306,"noise_level":-27.857048,"freq_skew":0.537132,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735012,"usec":191766},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.439934,"noise_level":-27.729221,"freq_skew":-2.637797,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":211,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[104,247,109,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735012,"usec":193337},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.376403,"noise_level":-27.624115,"freq_skew":1.661608,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735012,"usec":196559},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.125635,"noise_level":-27.397268,"freq_skew":0.825489,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735012,"usec":954091},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.744323,"noise_level":-27.215973,"freq_skew":-2.066720,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[153,152,72,136]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735012,"usec":955631},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.213759,"noise_level":-27.116863,"freq_skew":0.705389,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVD","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"TP0944","msg_num":"D37","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,001586,1,1,TB000000/REP019,85,01,1/CCCS-TVD,JUL28,203624,LPPT,LSGG,0944/C0TFC040TP060303/C106,04801,8100,44,0010,0,0100,44,X/CE-165,33990,265,766,6462,285,F22P06/EC599160,00097,00048,73,15,032/EE599162"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735012,"usec":956073},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.212687,"noise_level":-27.097178,"freq_skew":1.914255,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735013,"usec":719397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.443866,"noise_level":-26.750240,"freq_skew":0.689789,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735013,"usec":723209},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.488564,"noise_level":-26.589375,"freq_skew":0.701701,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735014,"usec":490219},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294629,"noise_level":-26.422861,"freq_skew":-0.560915,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"5Y","blk_id":"9","ack":"!","flight":"TP05AS","msg_num":"M76","msg_num_seq":"A","msg_text":"---2132  59N 412801,W  53321,34991,  450375,MS44,314, 40,268,203648,13040"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735014,"usec":491088},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.530915,"noise_level":-27.371914,"freq_skew":-0.231665,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":201,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735015,"usec":241076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.818686,"noise_level":-28.309166,"freq_skew":1.494907,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735015,"usec":246034},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.560133,"noise_level":-27.961933,"freq_skew":1.600211,"avlc":{"src":{"addr":"4CAE8D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8216,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735015,"usec":246777},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.227783,"noise_level":-27.961933,"freq_skew":0.485926,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735016,"usec":8465},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.515077,"noise_level":-27.902555,"freq_skew":0.454315,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNQ","mode":"2","label":"_d","blk_id":"X","ack":"9","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735016,"usec":10155},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.385790,"noise_level":-27.795343,"freq_skew":0.654879,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53820,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,75,169,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735016,"usec":761204},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.656063,"noise_level":-27.559805,"freq_skew":1.703229,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":366,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[222,86,205,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735016,"usec":762690},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.162113,"noise_level":-27.985849,"freq_skew":-0.607595,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735016,"usec":765381},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.487556,"noise_level":-28.662899,"freq_skew":0.523134,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"X","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735016,"usec":766908},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401748,"noise_level":-28.545950,"freq_skew":0.934148,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVD","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"TP0944","msg_num":"D37","msg_num_seq":"B","sublabel":"DF","msg_text":",00097,00048,73/E10799,0995,44,175,010,000,035,0/N10799,0996,44,174,012,000,029,0/S11588,4752,011,012,198,29,33995,2/T11620,4772,008,007,187,31,34001,2/V1-175,-445,06560,01408,218,218,216,0/X12501,00100,079"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735016,"usec":767699},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.270913,"noise_level":-29.199642,"freq_skew":0.516888,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735017,"usec":529075},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.740904,"noise_level":-29.269253,"freq_skew":2.043241,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735017,"usec":531862},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.025892,"noise_level":-29.020344,"freq_skew":-0.467571,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGSA"},{"name":"ac_location","value":{"loc":{"lat":39.900002,"lon":-5.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735017,"usec":535326},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.515578,"noise_level":-28.826229,"freq_skew":-0.282262,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DNC","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"A34555","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735017,"usec":535735},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.541374,"noise_level":-28.802269,"freq_skew":0.683148,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735017,"usec":535850},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723558,"noise_level":-28.802269,"freq_skew":-0.535586,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21510703","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,145,195,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735018,"usec":288721},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.522609,"noise_level":-28.636360,"freq_skew":0.587980,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"Y","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735018,"usec":290053},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.370727,"noise_level":-29.033051,"freq_skew":0.775821,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVD","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"TP0944","msg_num":"D37","msg_num_seq":"C","sublabel":"DF","msg_text":",015,047,036,008,1/E30825,1004,44,177,010,000,035,0/N30825,1006,44,176,012,000,029,0/E40736,0970,42,175,010,000,032,0/N40737,0970,44,175,012,000,026,0/S41311,4407,013,014,199,24,33992,2/T41316,4392,010,010,"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":54509},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.356413,"noise_level":-28.508595,"freq_skew":0.561142,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":54670},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898475,"noise_level":-28.508595,"freq_skew":0.657328,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"Z","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":58545},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.430995,"noise_level":-28.325466,"freq_skew":-0.387047,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPFR"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-4.800000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":59971},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.698094,"noise_level":-28.235331,"freq_skew":0.467812,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"44083C","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":807852},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.962353,"noise_level":-28.035879,"freq_skew":-0.565006,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":808054},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.162263,"noise_level":-28.014000,"freq_skew":-0.597063,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJQ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC92GY","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":808054},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.162263,"noise_level":-28.014000,"freq_skew":-0.597063,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21004074","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,8,60,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":809122},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.449188,"noise_level":-27.948685,"freq_skew":0.535575,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"44083C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21004074","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":810752},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.704962,"noise_level":-27.840908,"freq_skew":3.023999,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2079,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[250,206]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":818126},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.962932,"noise_level":-27.608402,"freq_skew":-0.197828,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735019,"usec":818437},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.053200,"noise_level":-28.495350,"freq_skew":2.802649,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2080,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43350,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[131,156]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":36,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735020,"usec":575008},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.369962,"noise_level":-28.403442,"freq_skew":0.438605,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F0E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":29,"credit":10,"rseq":1,"variable_part_params":[{"name":"checksum","value":[241,183]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735020,"usec":576395},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.533399,"noise_level":-28.289909,"freq_skew":0.443135,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7368,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[192,48]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735020,"usec":576932},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.761335,"noise_level":-28.244911,"freq_skew":-0.485486,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735020,"usec":580620},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.511173,"noise_level":-28.133415,"freq_skew":0.738909,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"44083C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJQ","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735020,"usec":581603},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.979478,"noise_level":-28.067200,"freq_skew":1.602900,"avlc":{"src":{"addr":"4CAFC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1854,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735020,"usec":583326},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.328684,"noise_level":-27.979691,"freq_skew":0.625342,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"44083C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[134,208,82,17]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":335809},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.060508,"noise_level":-27.914635,"freq_skew":1.585198,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":623,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":335960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596684,"noise_level":-27.914635,"freq_skew":0.904086,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":336196},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.151167,"noise_level":-27.893057,"freq_skew":-0.547395,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21510703","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,145,195,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":336633},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.384291,"noise_level":-27.871532,"freq_skew":1.936478,"avlc":{"src":{"addr":"407F0E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3752,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43382,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[36,223]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":336785},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764935,"noise_level":-27.871532,"freq_skew":-0.346807,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[230,220,114,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":339031},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.782988,"noise_level":-28.161800,"freq_skew":-2.889950,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":72,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[63,190,227,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":340785},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.329277,"noise_level":-28.161800,"freq_skew":0.544201,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":341000},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442664,"noise_level":-28.344419,"freq_skew":0.389513,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7369,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":341449},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.681520,"noise_level":-28.321747,"freq_skew":0.669679,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":25573,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":341734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.000911,"noise_level":-28.321747,"freq_skew":2.912742,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":343574},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.538556,"noise_level":-28.857250,"freq_skew":0.505576,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":25579,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735021,"usec":345450},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.613683,"noise_level":-28.857250,"freq_skew":0.718496,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407F0E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735022,"usec":94438},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.459937,"noise_level":-28.813290,"freq_skew":0.701826,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"44083C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735022,"usec":94583},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.104516,"noise_level":-28.789364,"freq_skew":0.699649,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"Z","ack":"3","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735022,"usec":95935},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.200446,"noise_level":-28.694313,"freq_skew":-0.526859,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735022,"usec":96317},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.527295,"noise_level":-28.670710,"freq_skew":1.678411,"avlc":{"src":{"addr":"4CAD2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3204,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735022,"usec":96818},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.246164,"noise_level":-28.647173,"freq_skew":0.693248,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735022,"usec":105065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557968,"noise_level":-28.256495,"freq_skew":-1.564183,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735022,"usec":855624},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.263998,"noise_level":-28.234051,"freq_skew":0.876302,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVD","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"TP0944","msg_num":"D37","msg_num_seq":"D","sublabel":"DF","msg_text":"189,44,34001,2/E50803,1000,45,178,010,000,036,0/N50803,0999,45,179,012,000,030,0/S51626,4725,013,013,204,29,33988,2/T51636,4760,010,009,204,41,34003,2/E60814,1002,45,179,010,000,034,0/N60814,1001,44,181,012"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735022,"usec":855860},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.093797,"noise_level":-28.234051,"freq_skew":0.659052,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD2A","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735022,"usec":855948},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728685,"noise_level":-28.211666,"freq_skew":-0.384503,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735023,"usec":627316},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.365588,"noise_level":-27.524195,"freq_skew":0.635706,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20351,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":70,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[179,18,24,122]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735023,"usec":630302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.185722,"noise_level":-27.663929,"freq_skew":0.451211,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735023,"usec":631822},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.357770,"noise_level":-27.669210,"freq_skew":1.183163,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":735,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[192,31,9,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735023,"usec":634858},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.152695,"noise_level":-28.623657,"freq_skew":0.455973,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735024,"usec":383368},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.307484,"noise_level":-28.507233,"freq_skew":0.941894,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVD","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"TP0944","msg_num":"D37","msg_num_seq":"E","sublabel":"DF","msg_text":",000,028,0/E70830,1011,44,180,010,000,035,0/N70830,1012,44,183,012,000,028,0/S71735,4927,014,015,202,32,33996,2/T71758,4971,012,012,172,33,34003,2/1E0788,0990,44,181,011,000,034,0/1N0788,0991,44,180,013,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735024,"usec":385676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.247166,"noise_level":-28.324135,"freq_skew":0.535987,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735024,"usec":389550},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.808744,"noise_level":-28.100557,"freq_skew":0.522160,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":25666,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735025,"usec":143084},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.813470,"noise_level":-28.056524,"freq_skew":-0.445033,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21510703","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,145,195,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735025,"usec":143339},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.728659,"noise_level":-28.056524,"freq_skew":0.582214,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD2A","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":25670,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735025,"usec":143950},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.148376,"noise_level":-28.012714,"freq_skew":0.605861,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735025,"usec":144015},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.059520,"noise_level":-28.012714,"freq_skew":0.618329,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"Y","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735025,"usec":145364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.361584,"noise_level":-27.904144,"freq_skew":1.813869,"avlc":{"src":{"addr":"4CAFC2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735025,"usec":154602},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.929559,"noise_level":-27.607174,"freq_skew":2.758918,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2081,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43350,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[127,71]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":4}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735025,"usec":913660},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299871,"noise_level":-27.441925,"freq_skew":-0.438662,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735025,"usec":914323},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.769565,"noise_level":-27.401102,"freq_skew":1.560577,"avlc":{"src":{"addr":"4CAD2A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735025,"usec":914686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.301289,"noise_level":-27.380762,"freq_skew":0.359056,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735026,"usec":678680},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542024,"noise_level":-26.906347,"freq_skew":0.690350,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":6,"variable_part_params":[{"name":"checksum","value":[31,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735026,"usec":678790},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694173,"noise_level":-26.906347,"freq_skew":1.688315,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30833,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[193,49,43,88]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735026,"usec":678790},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.694173,"noise_level":-26.906347,"freq_skew":1.688315,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30833,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[118,144,243,205]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735026,"usec":680785},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809150,"noise_level":-26.791687,"freq_skew":1.473375,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5582,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735026,"usec":681056},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.010732,"noise_level":-26.772724,"freq_skew":1.335324,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43364,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[65,240,104,177]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735026,"usec":684411},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.421327,"noise_level":-27.146198,"freq_skew":0.578618,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20356,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[148,172,82,79]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":431327},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.337653,"noise_level":-27.583424,"freq_skew":0.593707,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":57,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[32,159,221,92]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":431942},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.578908,"noise_level":-28.289557,"freq_skew":2.880721,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":432449},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.594164,"noise_level":-28.267029,"freq_skew":0.296632,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7370,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[149,172]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":432825},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.684836,"noise_level":-28.892754,"freq_skew":-0.867933,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43277,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[108,117,106,117]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":433316},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.269435,"noise_level":-29.721466,"freq_skew":0.826279,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVD","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"TP0944","msg_num":"D37","msg_num_seq":"E","sublabel":"DF","msg_text":",000,028,0/E70830,1011,44,180,010,000,035,0/N70830,1012,44,183,012,000,028,0/S71735,4927,014,015,202,32,33996,2/T71758,4971,012,012,172,33,34003,2/1E0788,0990,44,181,011,000,034,0/1N0788,0991,44,180,013,000"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":436201},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167107,"noise_level":-29.537235,"freq_skew":-1.170710,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[125,58,13,112]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":436587},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695045,"noise_level":-29.511230,"freq_skew":0.643282,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20358,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":57,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[80,179,87,58]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":436990},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.055561,"noise_level":-29.485304,"freq_skew":1.192059,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":629,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":437748},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.276956,"noise_level":-29.433685,"freq_skew":-0.725188,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":437921},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.117492,"noise_level":-29.433685,"freq_skew":0.456351,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"Y","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":438134},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.793316,"noise_level":-29.433685,"freq_skew":0.656454,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735027,"usec":438568},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.019977,"noise_level":-29.853123,"freq_skew":2.932394,"avlc":{"src":{"addr":"4CA8D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2082,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43350,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[246,209]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":196390},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511478,"noise_level":-29.719128,"freq_skew":0.933212,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".CS-TVD","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"TP0944","msg_num":"D37","msg_num_seq":"F","sublabel":"DF","msg_text":",028,0/1S1524,4700,015,016,198,28,33988,2/1T1545,4727,013,013,182,29,33999,2/2E0803,1000,44,181,011,000,035,0/2N0803,1002,44,180,012,000,029,0/2S1609,4787,016,016,202,29,33990,2/2T1643,4833,013,013,183,30,3"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":196941},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.650122,"noise_level":-29.692575,"freq_skew":0.746250,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":75,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[204,78,128,127]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":197711},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.299856,"noise_level":-29.639713,"freq_skew":0.529797,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":198588},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.193444,"noise_level":-29.613403,"freq_skew":1.069679,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":200739},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.837219,"noise_level":-29.534946,"freq_skew":0.768931,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":956319},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.201916,"noise_level":-29.202917,"freq_skew":0.513372,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":956582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.393153,"noise_level":-29.177895,"freq_skew":0.739498,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":959455},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.516132,"noise_level":-28.980267,"freq_skew":0.700947,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"Z","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":959823},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.850544,"noise_level":-28.955877,"freq_skew":1.095926,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43364,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[148,221,218,221]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":962017},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938236,"noise_level":-28.858995,"freq_skew":-1.670825,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":756,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":963176},"freq":136975000,"burst_len_octets":129,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.315916,"noise_level":-29.053801,"freq_skew":0.758687,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"TP0944","msg_num":"D37","msg_num_seq":"G","sublabel":"DF","msg_text":"A320,001586,1,1,TB000000/REP019,85,01,1/CCCS-TVD,JUL28,203624,LPPT,LSGG,0944/C0TFC040TP060303/C106,04801,8100,44,0010,0,0100,44,X/CE-165,33990,265,766,6462,285,F22P06/EC599160,00097,00048,73,15,032/EE599162,00097,00048,73/E10799,0995,44,175,010,000,035,0/N10799,0996,44,174,012,000,029,0/S11588,4752,011,012,198,29,33995,2/T11620,4772,008,007,187,31,34001,2/V1-175,-445,06560,01408,218,218,216,0/X12501,00100,079,015,047,036,008,1/E30825,1004,44,177,010,000,035,0/N30825,1006,44,176,012,000,029,0/E40736,0970,42,175,010,000,032,0/N40737,0970,44,175,012,000,026,0/S41311,4407,013,014,199,24,33992,2/T41316,4392,010,010,189,44,34001,2/E50803,1000,45,178,010,000,036,0/N50803,0999,45,179,012,000,030,0/S51626,4725,013,013,204,29,33988,2/T51636,4760,010,009,204,41,34003,2/E60814,1002,45,179,010,000,034,0/N60814,1001,44,181,012,000,028,0/E70830,1011,44,180,010,000,035,0/N70830,1012,44,183,012,000,028,0/S71735,4927,014,015,202,32,33996,2/T71758,4971,012,012,172,33,34003,2/1E0788,0990,44,181,011,000,034,0/1N0788,0991,44,180,013,000,028,0/1S1524,4700,015,016,198,28,33988,2/1T1545,4727,013,013,182,29,33999,2/2E0803,1000,44,181,011,000,035,0/2N0803,1002,44,180,012,000,029,0/2S1609,4787,016,016,202,29,33990,2/2T1643,4833,013,013,183,30,34002,2/2V-165,-433,06560,01408,218,218,216,0/2X2501,00000,079,009,037,032,009,1/:"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":965149},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576559,"noise_level":-28.931503,"freq_skew":2.528735,"avlc":{"src":{"addr":"406755","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":384,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735028,"usec":965474},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.083374,"noise_level":-28.907251,"freq_skew":-0.678152,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735029,"usec":718393},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.852462,"noise_level":-28.763132,"freq_skew":1.598169,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30833,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[193,49,43,88]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735029,"usec":719611},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.158484,"noise_level":-28.691961,"freq_skew":0.701200,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440713","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735029,"usec":720478},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737004,"noise_level":-28.621368,"freq_skew":1.621116,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30833,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[118,144,243,205]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735029,"usec":723207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.190598,"noise_level":-28.528126,"freq_skew":0.666742,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735029,"usec":723447},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.809596,"noise_level":-28.504972,"freq_skew":0.673015,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TVD","mode":"2","label":"_d","blk_id":"X","ack":"7","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735029,"usec":724101},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.548695,"noise_level":-28.481880,"freq_skew":0.652623,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[63,44,154,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735029,"usec":726049},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066690,"noise_level":-28.361538,"freq_skew":0.703243,"avlc":{"src":{"addr":"4952C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":159,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43393,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[91,73,122,69]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735030,"usec":478443},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.850627,"noise_level":-28.338823,"freq_skew":-0.767879,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"AF1358","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735030,"usec":484844},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013179,"noise_level":-27.961473,"freq_skew":-1.239255,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[125,58,13,112]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735030,"usec":486698},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.186291,"noise_level":-27.832109,"freq_skew":0.627763,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735031,"usec":243527},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.135381,"noise_level":-27.789413,"freq_skew":0.627697,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735031,"usec":248387},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.952654,"noise_level":-27.763681,"freq_skew":1.027572,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":629,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735031,"usec":252543},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.172847,"noise_level":-27.574657,"freq_skew":-0.935052,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735031,"usec":998240},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.711514,"noise_level":-27.675632,"freq_skew":0.525102,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735032,"usec":4186},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.928665,"noise_level":-27.325470,"freq_skew":1.102188,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EFJ","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"FR84EP","msg_num":"M15","msg_num_seq":"A","msg_text":"/LEMD.TI2/024LEMDA367D"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735032,"usec":773844},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.551812,"noise_level":-26.702347,"freq_skew":-0.649371,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735032,"usec":773996},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503417,"noise_level":-26.702347,"freq_skew":1.844050,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30833,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[193,49,43,88]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735033,"usec":525595},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.603987,"noise_level":-26.683577,"freq_skew":1.054130,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735033,"usec":525683},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.894474,"noise_level":-27.219261,"freq_skew":0.571926,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"39E683","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"_d","blk_id":"Z","ack":"8","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735033,"usec":528018},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905602,"noise_level":-27.100420,"freq_skew":1.755263,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30833,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[118,144,243,205]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735033,"usec":528865},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.138474,"noise_level":-27.590551,"freq_skew":-2.167880,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":159,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735033,"usec":529126},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.968654,"noise_level":-27.590551,"freq_skew":-1.188908,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[125,58,13,112]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735033,"usec":529333},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757514,"noise_level":-27.569761,"freq_skew":1.535200,"avlc":{"src":{"addr":"48C22D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735033,"usec":532606},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.420486,"noise_level":-27.405220,"freq_skew":0.879472,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735034,"usec":286312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.062007,"noise_level":-27.183943,"freq_skew":0.435642,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6663","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735034,"usec":291158},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336595,"noise_level":-26.929504,"freq_skew":-0.906687,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735035,"usec":49032},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.135237,"noise_level":-26.552057,"freq_skew":-1.072247,"avlc":{"src":{"addr":"342211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":470,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43396,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[97,250,24,164]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735035,"usec":815560},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.439088,"noise_level":-26.102203,"freq_skew":1.520024,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":826,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[71,40,135,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735035,"usec":821382},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.248814,"noise_level":-26.882793,"freq_skew":-0.731240,"avlc":{"src":{"addr":"344693","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MES","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"VY75NA","msg_num":"F91","msg_num_seq":"A","sublabel":"M1","msg_text":"REJPWI,202406,027,,001,/TS203710,28072591F4"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735036,"usec":581404},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.296994,"noise_level":-26.711823,"freq_skew":0.479344,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735036,"usec":585119},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.505576,"noise_level":-26.932407,"freq_skew":0.678878,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20366,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[165,249,0,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735036,"usec":585899},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.904697,"noise_level":-27.357918,"freq_skew":1.960053,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":300,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735036,"usec":586063},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864383,"noise_level":-27.945520,"freq_skew":-0.550465,"avlc":{"src":{"addr":"344693","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MES","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"VY75NA","msg_num":"F92","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/RJ,089/TS203710,2807252140"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735037,"usec":333882},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.066346,"noise_level":-27.795057,"freq_skew":0.851147,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":92,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[200,17,191,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735037,"usec":335534},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.536527,"noise_level":-27.689159,"freq_skew":3.139405,"avlc":{"src":{"addr":"345686","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43413,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[170,138,210,158]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735037,"usec":341383},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581842,"noise_level":-27.440145,"freq_skew":0.251092,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7371,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61113,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[140,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735038,"usec":98547},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.265369,"noise_level":-27.378994,"freq_skew":0.559679,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735038,"usec":101576},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011763,"noise_level":-27.205120,"freq_skew":1.623050,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"IB07HP","msg_num":"D81","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127086,1,1,TB000000/REP033,00,00,1/                                           "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735038,"usec":104243},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.213245,"noise_level":-27.086470,"freq_skew":0.449360,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735038,"usec":105646},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.753505,"noise_level":-27.027750,"freq_skew":-0.407270,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGSA"},{"name":"ac_location","value":{"loc":{"lat":39.900002,"lon":-5.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735038,"usec":868060},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.573324,"noise_level":-26.739952,"freq_skew":0.638539,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6663","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":25981,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735038,"usec":868240},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.091098,"noise_level":-26.721100,"freq_skew":0.608208,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53830,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":83,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[143,104,171,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735038,"usec":868499},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589112,"noise_level":-26.721100,"freq_skew":-0.603190,"avlc":{"src":{"addr":"344693","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735038,"usec":871539},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.431957,"noise_level":-26.553253,"freq_skew":1.291770,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":827,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1614,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[181,238,157,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735039,"usec":620528},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854007,"noise_level":-26.352415,"freq_skew":1.005273,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EFJ","mode":"2","label":"_d","blk_id":"4","ack":"G","flight":"FR84EP","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735039,"usec":621611},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.377835,"noise_level":-26.298437,"freq_skew":-0.579723,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":354,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[24,48,157,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735039,"usec":622231},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.091029,"noise_level":-26.262638,"freq_skew":-2.282625,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735039,"usec":623289},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.385172,"noise_level":-26.226986,"freq_skew":0.503224,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735039,"usec":624486},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.716192,"noise_level":-26.156116,"freq_skew":-1.835870,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43409,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[192,88,183,97]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735039,"usec":627208},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.924649,"noise_level":-26.033468,"freq_skew":1.856434,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":300,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735040,"usec":390064},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742746,"noise_level":-25.844172,"freq_skew":1.118414,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":578,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[153,233,242,196]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61073,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[183,80,85,252]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735040,"usec":392709},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.225361,"noise_level":-25.759470,"freq_skew":0.564742,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735040,"usec":396179},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.500788,"noise_level":-25.625647,"freq_skew":1.746375,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":650,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735040,"usec":398837},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.418187,"noise_level":-26.281855,"freq_skew":0.636812,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53831,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":18,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[2,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":156947},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309422,"noise_level":-26.821539,"freq_skew":1.678708,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"IB07HP","msg_num":"D81","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,127086,1,1,TB000000/REP033,00,00,1/                                           "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":157236},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.800696,"noise_level":-27.586535,"freq_skew":0.666865,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20371,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":67,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[128,191,175,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":158954},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.190862,"noise_level":-27.503716,"freq_skew":0.491282,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53832,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5270,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,68,109,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":162667},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.572785,"noise_level":-27.320206,"freq_skew":1.254977,"avlc":{"src":{"addr":"40690D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":619,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43369,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[86,227,155,61]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":163398},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.577367,"noise_level":-27.279949,"freq_skew":0.518985,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":313,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[115,110]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":164336},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.233337,"noise_level":-27.279949,"freq_skew":0.963528,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EFJ","mode":"2","label":"_d","blk_id":"5","ack":"H","flight":"FR84EP","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":908182},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764336,"noise_level":-27.473518,"freq_skew":1.436382,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":910247},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730659,"noise_level":-27.371445,"freq_skew":-1.565305,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":757,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":915258},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.455768,"noise_level":-27.564135,"freq_skew":1.580191,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1657,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":915825},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.997196,"noise_level":-27.564135,"freq_skew":0.518245,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40690D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735041,"usec":916924},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.287767,"noise_level":-27.859535,"freq_skew":0.695884,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735042,"usec":668201},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.460602,"noise_level":-27.689466,"freq_skew":1.631421,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735042,"usec":668595},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.144300,"noise_level":-27.689466,"freq_skew":0.603701,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4076DD","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735042,"usec":669156},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.542526,"noise_level":-27.647461,"freq_skew":0.951281,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":630,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43383,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[104,68]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735042,"usec":671677},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.683769,"noise_level":-27.522661,"freq_skew":-0.477960,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":354,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[24,48,157,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735042,"usec":675002},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.032961,"noise_level":-27.420010,"freq_skew":-0.633479,"avlc":{"src":{"addr":"344693","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43379,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[48,7,178,128]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735043,"usec":439057},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.725554,"noise_level":-27.324591,"freq_skew":1.928146,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":650,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735044,"usec":954730},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.932025,"noise_level":-26.590918,"freq_skew":1.739396,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735044,"usec":957966},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826599,"noise_level":-26.894608,"freq_skew":1.222445,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":579,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61073,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[178,239,111,71]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735044,"usec":960287},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.663161,"noise_level":-26.837166,"freq_skew":0.943178,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":631,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43383,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[31,227]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735044,"usec":961412},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103259,"noise_level":-26.818102,"freq_skew":1.914324,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735045,"usec":718411},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.539876,"noise_level":-26.390808,"freq_skew":0.935098,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43383,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[100,71]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735045,"usec":724633},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696397,"noise_level":-26.158276,"freq_skew":1.171997,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":633,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43383,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[20,197]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735046,"usec":484707},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604517,"noise_level":-26.000864,"freq_skew":1.169981,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735046,"usec":486634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.031440,"noise_level":-25.949022,"freq_skew":1.577865,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735046,"usec":488832},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.696702,"noise_level":-26.642702,"freq_skew":-0.451547,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGSA"},{"name":"ac_location","value":{"loc":{"lat":39.900002,"lon":-5.100000},"alt":33000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735047,"usec":235676},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.674301,"noise_level":-26.560764,"freq_skew":-0.331818,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21510703","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,145,195,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735048,"usec":1526},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.187186,"noise_level":-26.110474,"freq_skew":1.098651,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735048,"usec":3074},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569344,"noise_level":-26.040543,"freq_skew":-0.463487,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DNC","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"A34555","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735048,"usec":775994},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.270277,"noise_level":-25.435297,"freq_skew":-0.553637,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735049,"usec":522784},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.787287,"noise_level":-25.846899,"freq_skew":1.332759,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTZ","mode":"2","label":"_d","blk_id":"2","ack":"L","flight":"U285XQ","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735049,"usec":525605},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.444069,"noise_level":-25.877365,"freq_skew":-0.538365,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735050,"usec":289349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383579,"noise_level":-25.575104,"freq_skew":2.586720,"avlc":{"src":{"addr":"406755","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735051,"usec":68688},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986836,"noise_level":-24.801891,"freq_skew":-2.003587,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":756,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735051,"usec":810673},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.256016,"noise_level":-24.711773,"freq_skew":0.657253,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735051,"usec":811290},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.504981,"noise_level":-24.696844,"freq_skew":0.654914,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6663","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[50,206,31,65]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735051,"usec":811804},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826251,"noise_level":-25.163170,"freq_skew":-0.519704,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":426,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735051,"usec":819631},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.092173,"noise_level":-25.955685,"freq_skew":-2.100954,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43370,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[44,53,64,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735052,"usec":579388},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.179136,"noise_level":-26.263729,"freq_skew":0.535773,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735052,"usec":579913},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.371623,"noise_level":-26.228069,"freq_skew":-2.102572,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735052,"usec":583329},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.282836,"noise_level":-26.104412,"freq_skew":0.622897,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6663","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735053,"usec":345429},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.368492,"noise_level":-25.560505,"freq_skew":0.582823,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[250,18,80,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735054,"usec":104734},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.929717,"noise_level":-25.413475,"freq_skew":-0.191534,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":497,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735054,"usec":107759},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.945813,"noise_level":-25.300812,"freq_skew":-0.735512,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMME"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735054,"usec":108702},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.688533,"noise_level":-26.062000,"freq_skew":0.693876,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":26429,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":4,"credit_avail":32}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735054,"usec":114947},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.189416,"noise_level":-25.982784,"freq_skew":0.446583,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735054,"usec":856974},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.732132,"noise_level":-25.948259,"freq_skew":-0.817207,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":426,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735054,"usec":860969},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292645,"noise_level":-25.898790,"freq_skew":1.297182,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735054,"usec":866930},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.330988,"noise_level":-25.729156,"freq_skew":-2.148962,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735054,"usec":867328},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.806231,"noise_level":-25.729156,"freq_skew":0.783237,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735055,"usec":623435},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.094524,"noise_level":-26.468346,"freq_skew":-0.678068,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"16363203","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,70,82,0,57,230,131,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735055,"usec":624195},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833597,"noise_level":-26.431839,"freq_skew":1.431051,"avlc":{"src":{"addr":"440031","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":580,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61073,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[13,137,237,180]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735055,"usec":626692},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267172,"noise_level":-26.305265,"freq_skew":1.086380,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TTX","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"TP048M","msg_num":"M06","msg_num_seq":"A","msg_text":"203734,35104,2126,448.2, 4010,N3948.12 W00509.09"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735055,"usec":628018},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.940481,"noise_level":-26.251581,"freq_skew":-0.947560,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HZUD","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"AF1358","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735055,"usec":631937},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.774874,"noise_level":-26.074986,"freq_skew":1.913322,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":40.299999,"lon":-4.100000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":385192},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737690,"noise_level":-26.005341,"freq_skew":0.597035,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4010EB","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":386879},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.864167,"noise_level":-26.024113,"freq_skew":-0.726968,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[7,203,63,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":388112},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.067306,"noise_level":-26.904980,"freq_skew":-2.595476,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"X90318","msg_num":"J01","msg_num_seq":"A","msg_text":"/LPPT.TI2/000LPPTAF59C"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":388246},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.167302,"noise_level":-26.904980,"freq_skew":0.564110,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8278,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[212,225,12,14]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":389471},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.284850,"noise_level":-26.885765,"freq_skew":1.807926,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"U253LM","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":389471},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.284850,"noise_level":-26.885765,"freq_skew":1.807926,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":390355},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.332738,"noise_level":-26.885765,"freq_skew":0.726513,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[113,8,29,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":392332},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.662056,"noise_level":-26.866596,"freq_skew":-0.600750,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":394236},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.898829,"noise_level":-26.771374,"freq_skew":-2.039260,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":394236},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.898829,"noise_level":-26.771374,"freq_skew":-2.039260,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":757,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30805,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[71,53,229,119]}]},{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30805,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[106,43,209,32]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":396983},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.726054,"noise_level":-26.714735,"freq_skew":0.661270,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4010EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735056,"usec":397682},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.664582,"noise_level":-26.695938,"freq_skew":-0.529920,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30811,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[152,88,101,79]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735057,"usec":143722},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.791571,"noise_level":-26.677185,"freq_skew":2.052178,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3400,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43332,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[81,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735057,"usec":145626},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.328285,"noise_level":-27.270697,"freq_skew":-0.081178,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":497,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735057,"usec":150848},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.695783,"noise_level":-27.453930,"freq_skew":1.684354,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[181,82,170,36]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735057,"usec":154301},"freq":136975000,"burst_len_octets":125,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.867774,"noise_level":-27.372358,"freq_skew":0.490797,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"C1","blk_id":"O","ack":"!","msg_text":".BCNHQVY 282037\r\nAGM\r\nAN EC-LVS\r\n- VY2701 LIS-BIO\r\nPuerta NIL\r\nStand 12\r\nETA 21:09 28JUL.\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735057,"usec":154944},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.245862,"noise_level":-27.352085,"freq_skew":0.661951,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735057,"usec":904456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.225199,"noise_level":-27.291546,"freq_skew":0.567643,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735057,"usec":904635},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854369,"noise_level":-27.291546,"freq_skew":1.685059,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735057,"usec":907690},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.420170,"noise_level":-28.472713,"freq_skew":0.558427,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4010EB","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"_d","blk_id":"Y","ack":"2","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735058,"usec":672668},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.030191,"noise_level":-28.116253,"freq_skew":-2.694251,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735058,"usec":672668},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.030191,"noise_level":-28.116253,"freq_skew":-2.694251,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-MLG","mode":"2","label":"_d","blk_id":"4","ack":"B","flight":"X90318","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735058,"usec":673719},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630550,"noise_level":-28.050167,"freq_skew":-0.876634,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735058,"usec":675889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.937055,"noise_level":-27.919487,"freq_skew":1.745595,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735058,"usec":676430},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729022,"noise_level":-27.919487,"freq_skew":0.863324,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735059,"usec":434124},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.164377,"noise_level":-27.194046,"freq_skew":-0.441262,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":497,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43213,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,4,128,130]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735059,"usec":434779},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.447062,"noise_level":-27.154367,"freq_skew":-0.357201,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":202,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43271,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[21,63,38,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":191416},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.457637,"noise_level":-27.584942,"freq_skew":0.702321,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53844,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,209,181,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":192441},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678574,"noise_level":-28.040564,"freq_skew":1.259656,"avlc":{"src":{"addr":"400AFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":1786,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1573,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[77,47,8,36]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":193408},"freq":136975000,"burst_len_octets":125,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.913905,"noise_level":-27.996836,"freq_skew":0.590552,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"C1","blk_id":"O","ack":"!","msg_text":".BCNHQVY 282037\r\nAGM\r\nAN EC-LVS\r\n- VY2701 LIS-BIO\r\nPuerta NIL\r\nStand 12\r\nETA 21:09 28JUL.\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":193840},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.266870,"noise_level":-28.547373,"freq_skew":-0.467043,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":498,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1581,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[140,249,188,193]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":194904},"freq":136975000,"burst_len_octets":41,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.239730,"noise_level":-28.477938,"freq_skew":-0.551995,"avlc":{"src":{"addr":"344693","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":421,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43379,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[132,20,154,84]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"commanded-termination"}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":195417},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604453,"noise_level":-28.454918,"freq_skew":1.652971,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[181,82,170,36]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":197071},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.137671,"noise_level":-29.078150,"freq_skew":0.582584,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"49514D","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":960369},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.546565,"noise_level":-28.739040,"freq_skew":-2.057523,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":961178},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267253,"noise_level":-28.691658,"freq_skew":-0.688084,"avlc":{"src":{"addr":"344693","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":422,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":67,"dst_ref":43379,"variable_part_params":[{"name":"atn_checksum","value":[209,42,222,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":963062},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.419115,"noise_level":-28.574324,"freq_skew":0.514740,"avlc":{"src":{"addr":"344409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-LVS","mode":"2","label":"_d","blk_id":"7","ack":"O","flight":"VY04LJ","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735060,"usec":964653},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.165045,"noise_level":-28.504677,"freq_skew":-1.911955,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":757,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30805,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[71,53,229,119]}]},{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30805,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[106,43,209,32]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735061,"usec":720536},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.339927,"noise_level":-28.253971,"freq_skew":0.638689,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735061,"usec":726807},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.867901,"noise_level":-27.945013,"freq_skew":2.110573,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43332,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[32,13]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735061,"usec":727315},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.144514,"noise_level":-28.295113,"freq_skew":0.527780,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"344409","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735061,"usec":729081},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.673146,"noise_level":-28.650484,"freq_skew":0.525628,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9E6","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":26610,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735062,"usec":480519},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.777740,"noise_level":-28.395599,"freq_skew":1.835700,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[177,196,56,54]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735062,"usec":480815},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324755,"noise_level":-28.395599,"freq_skew":0.443047,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,90,89,0,64,107,144,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,69,83,0,1,67,77,1,1,0,0,106,168,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":638,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[3]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":73,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[105,209]},{"name":"atn_checksum","value":[86,188,2,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735062,"usec":486964},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724390,"noise_level":-28.103704,"freq_skew":0.706177,"avlc":{"src":{"addr":"4CA8D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1600,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[65,150]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735063,"usec":243986},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.444934,"noise_level":-27.993999,"freq_skew":-0.615048,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735063,"usec":246158},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961345,"noise_level":-27.864153,"freq_skew":0.520644,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":639,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43434,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[172,191,123,17]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735063,"usec":246158},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.961345,"noise_level":-27.864153,"freq_skew":0.520644,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43434,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,4,228,109]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4221840,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"EZY92MT","long_tsap":{"rdp":[65,69,90,89,0],"short_tsap":{"ars":[64,107,144],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,69,90,89,0],"short_tsap":{"ars":[64,107,144],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"LEMD","destination_airport":"EGPH"}}}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735063,"usec":252018},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.891769,"noise_level":-27.631033,"freq_skew":1.929552,"avlc":{"src":{"addr":"4D221E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6113,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30597,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[62,210]},{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735064,"usec":10543},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.941610,"noise_level":-27.202644,"freq_skew":-1.915398,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43286,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[173,151,13,80]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43286,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[232,228,177,117]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735064,"usec":14126},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.501063,"noise_level":-27.129877,"freq_skew":0.301947,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735064,"usec":15737},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240561,"noise_level":-27.265934,"freq_skew":2.394866,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43372,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[47,105,26,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735064,"usec":769409},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.867630,"noise_level":-27.106995,"freq_skew":0.546146,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":641,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43434,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[32,95,118,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735064,"usec":769409},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.867630,"noise_level":-27.106995,"freq_skew":0.546146,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":73,"dst_ref":43434,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[177,140,197,9]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735064,"usec":774694},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.022000,"noise_level":-26.854767,"freq_skew":2.061778,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJZ","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"FR73WB","msg_num":"M04","msg_num_seq":"A","msg_text":"203742,37981,2242, 136,N 39.498 W  3.492"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735064,"usec":774879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699178,"noise_level":-26.854767,"freq_skew":-1.808937,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735065,"usec":532662},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.019689,"noise_level":-26.743467,"freq_skew":1.503629,"avlc":{"src":{"addr":"4CAFC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1087,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735065,"usec":533751},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.433397,"noise_level":-26.743467,"freq_skew":0.528459,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53852,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[140,6,28,101]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735066,"usec":295285},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.293575,"noise_level":-27.097218,"freq_skew":-2.110040,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735066,"usec":300068},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.897797,"noise_level":-27.384510,"freq_skew":0.382664,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[166,215,242,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735066,"usec":303883},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.094980,"noise_level":-27.183594,"freq_skew":1.375319,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":38.600002,"lon":-5.600000},"alt":38000}},{"name":"alternate_ground_stations","value":["129F1A","119ADA","1191CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":47916},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.341551,"noise_level":-27.104511,"freq_skew":1.850386,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":57146},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164421,"noise_level":-27.149433,"freq_skew":1.730046,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":815871},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356437,"noise_level":-27.070660,"freq_skew":2.482135,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43372,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[47,105,26,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":816957},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.794298,"noise_level":-27.012045,"freq_skew":-2.988379,"avlc":{"src":{"addr":"4951CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43284,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[58,240,14,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":818942},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.943286,"noise_level":-26.934502,"freq_skew":0.553176,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":643,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":74,"dst_ref":43435,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[133,59,110,170]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":820536},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.204362,"noise_level":-26.915224,"freq_skew":-0.524648,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGSA"},{"name":"ac_location","value":{"loc":{"lat":39.900002,"lon":-5.000000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":821573},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.918809,"noise_level":-26.876795,"freq_skew":0.693166,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":93,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30821,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[212,240,60,226]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":822095},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.370705,"noise_level":-26.857645,"freq_skew":0.571438,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[37,227,7,110]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":822457},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.691458,"noise_level":-27.253689,"freq_skew":0.471374,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":824109},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.381413,"noise_level":-27.173969,"freq_skew":1.244797,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OEB","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"NT6014","msg_num":"M01","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735067,"usec":824241},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.035795,"noise_level":-27.173969,"freq_skew":0.797618,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":94,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30821,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[227,80,110,148]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735068,"usec":574756},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905052,"noise_level":-27.055742,"freq_skew":0.449070,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43435,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[63,69,149,8]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735068,"usec":575438},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.289276,"noise_level":-27.036194,"freq_skew":1.295017,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15073106","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,73,66,66,0,52,118,70,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735068,"usec":576035},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.177975,"noise_level":-26.997227,"freq_skew":-0.338382,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DNC","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"A34555","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735068,"usec":576035},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.177975,"noise_level":-26.997227,"freq_skew":-0.338382,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21510703","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,145,195,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735068,"usec":576436},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.334432,"noise_level":-26.997227,"freq_skew":0.447894,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53852,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":63,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[140,6,28,101]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735068,"usec":576546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.848247,"noise_level":-27.650850,"freq_skew":0.442631,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735068,"usec":578976},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.939008,"noise_level":-27.546682,"freq_skew":-1.869832,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":63,"dst_ref":1625,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[208,196,136,86]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735068,"usec":579701},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219109,"noise_level":-28.264978,"freq_skew":-0.697911,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1617,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[62,204,98,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735068,"usec":583005},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.707252,"noise_level":-28.197756,"freq_skew":0.417738,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21510703","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735069,"usec":343017},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.101873,"noise_level":-28.443184,"freq_skew":0.604228,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735069,"usec":343303},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.776108,"noise_level":-28.420254,"freq_skew":0.320852,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":645,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43435,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[66,145,118,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":94679},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.202005,"noise_level":-28.171938,"freq_skew":-2.092653,"avlc":{"src":{"addr":"495292","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":95513},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.603358,"noise_level":-28.127541,"freq_skew":1.634756,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43418,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[155,70,7,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":97155},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.407983,"noise_level":-28.394318,"freq_skew":0.492840,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DNC","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":98144},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.650735,"noise_level":-28.348774,"freq_skew":-0.336431,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":102603},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969854,"noise_level":-28.191225,"freq_skew":1.176890,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":104415},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.590031,"noise_level":-28.124571,"freq_skew":0.525425,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21510703","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":865685},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583092,"noise_level":-28.431866,"freq_skew":2.458366,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43372,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[47,105,26,135]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":865945},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.880574,"noise_level":-28.431866,"freq_skew":1.548735,"avlc":{"src":{"addr":"4CAFC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":866159},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843268,"noise_level":-28.408966,"freq_skew":0.478818,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":868423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.820302,"noise_level":-28.295361,"freq_skew":-0.494094,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735070,"usec":869380},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.476251,"noise_level":-28.250332,"freq_skew":1.157897,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43341,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[59,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735071,"usec":634174},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.449684,"noise_level":-27.812431,"freq_skew":0.479992,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[63,97,137,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735071,"usec":635676},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.765228,"noise_level":-27.748611,"freq_skew":-2.108229,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":59,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43409,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[2,178,102,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735072,"usec":382326},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.559172,"noise_level":-27.952553,"freq_skew":1.145038,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":208,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43341,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[241,59]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735072,"usec":385554},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.190886,"noise_level":-27.780666,"freq_skew":1.203769,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735072,"usec":388278},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034079,"noise_level":-27.695984,"freq_skew":1.953432,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":775,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30601,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[236,208,110,183]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735073,"usec":147621},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.092922,"noise_level":-27.467274,"freq_skew":1.862614,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":776,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43416,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[207,125,15,254]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735073,"usec":147765},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.300343,"noise_level":-27.467274,"freq_skew":1.036632,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OEB","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"NT6014","msg_num":"M02","msg_num_seq":"A","msg_text":"0E22037512/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":20,"min":37,"sec":51}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735073,"usec":156973},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.983309,"noise_level":-27.066269,"freq_skew":-1.637754,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":685,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[81,97,223,199]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735073,"usec":908721},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523965,"noise_level":-26.930178,"freq_skew":2.014607,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735073,"usec":914529},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.957780,"noise_level":-26.664234,"freq_skew":-2.160632,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":758,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[158,20,222,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735073,"usec":916575},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.132428,"noise_level":-26.608288,"freq_skew":0.488590,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735074,"usec":673464},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.521655,"noise_level":-26.286480,"freq_skew":-1.711828,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735074,"usec":676313},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.621274,"noise_level":-26.197378,"freq_skew":0.572172,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[63,97,137,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735074,"usec":677497},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.764947,"noise_level":-26.161993,"freq_skew":-1.942314,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735075,"usec":434008},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891238,"noise_level":-26.039261,"freq_skew":1.264907,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OEB","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"NT6014","msg_num":"M03","msg_num_seq":"A","msg_text":"/LEVC.TI2/024LEVCA1C78"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735075,"usec":436669},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.952223,"noise_level":-25.918243,"freq_skew":1.285209,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":811,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735075,"usec":440150},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.674715,"noise_level":-25.849840,"freq_skew":-2.087264,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":59,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43409,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[2,178,102,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735075,"usec":442843},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.191802,"noise_level":-26.441450,"freq_skew":0.682044,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":95,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735075,"usec":443938},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.608400,"noise_level":-26.386917,"freq_skew":0.626620,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20419,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":82,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[117,156,73,13]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":54}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"LISBOA","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.305000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":196114},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.570495,"noise_level":-26.332726,"freq_skew":2.103857,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":777,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":76,"dst_ref":30601,"variable_part_params":[{"name":"atn_checksum","value":[102,79,214,5]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":198729},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.522125,"noise_level":-26.207579,"freq_skew":2.071125,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":776,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43416,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[207,125,15,254]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":203093},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.196398,"noise_level":-26.999458,"freq_skew":0.532679,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":205630},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885520,"noise_level":-26.883568,"freq_skew":0.227470,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":646,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":73,"dst_ref":43434,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[177,140,197,9]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":206529},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720417,"noise_level":-26.845282,"freq_skew":1.289183,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":828,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43263,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[156,244,185,103]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43263,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[113,63,4,178]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":54}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":955268},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.714528,"noise_level":-27.864153,"freq_skew":1.599330,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":40.299999,"lon":-4.000000},"alt":38000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":959074},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.460655,"noise_level":-27.693995,"freq_skew":1.408445,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":959760},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.493568,"noise_level":-27.672956,"freq_skew":0.599541,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20424,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[236,219,20,38]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":961264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369340,"noise_level":-28.343580,"freq_skew":1.961108,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":965610},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.069884,"noise_level":-28.141655,"freq_skew":1.701239,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZBW","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"U253LM","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":965610},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.069884,"noise_level":-28.141655,"freq_skew":1.701239,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20010353","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,16,235,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735076,"usec":966167},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009725,"noise_level":-28.294725,"freq_skew":2.174443,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":778,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43416,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[174,43,102,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735077,"usec":718162},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978423,"noise_level":-28.116007,"freq_skew":1.197521,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OEB","mode":"2","label":"_d","blk_id":"2","ack":"K","flight":"NT6014","msg_num":"M04","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735077,"usec":720076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.915393,"noise_level":-28.364895,"freq_skew":1.292321,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735077,"usec":724412},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518602,"noise_level":-28.184740,"freq_skew":0.580440,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[148,97,52,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735077,"usec":725399},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672801,"noise_level":-28.140278,"freq_skew":-1.912256,"avlc":{"src":{"addr":"495290","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":59,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43409,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[2,178,102,109]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735078,"usec":482581},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.302168,"noise_level":-28.147106,"freq_skew":0.675746,"avlc":{"src":{"addr":"4952C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":76,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43377,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[169,253,242,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735078,"usec":487757},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.534708,"noise_level":-27.884815,"freq_skew":1.765879,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[162,226,114,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735078,"usec":488216},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.309650,"noise_level":-27.863312,"freq_skew":0.443159,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"495290","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735078,"usec":490018},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.172346,"noise_level":-27.820461,"freq_skew":1.687237,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735079,"usec":242641},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.195943,"noise_level":-27.806990,"freq_skew":0.643811,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952C7","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735079,"usec":249553},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.614847,"noise_level":-27.472111,"freq_skew":1.109974,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43341,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[59,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735079,"usec":252280},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.746586,"noise_level":-27.349781,"freq_skew":1.906780,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3402,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":4614},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.282594,"noise_level":-27.852375,"freq_skew":2.080111,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":635,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":4916},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630574,"noise_level":-27.852375,"freq_skew":0.613949,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":27184,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":12,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":5925},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.636736,"noise_level":-27.873264,"freq_skew":-0.806594,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":452,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":13,"ack":5,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":15229},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.592191,"noise_level":-27.639902,"freq_skew":0.602771,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":27189,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":16053},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.630960,"noise_level":-27.639902,"freq_skew":0.691849,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Request / Broadcast Handoff","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"autotune_freq","value":{"freq_mhz":136.975006,"modulation_support":["VDL-M2, D8PSK, 31500 bps"]}},{"name":"replacement_ground_stations","value":["109F1A"]},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":17380},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.628462,"noise_level":-28.063614,"freq_skew":1.505479,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":829,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43263,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[71,158,4,115]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":18553},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.008233,"noise_level":-28.337208,"freq_skew":-1.237940,"avlc":{"src":{"addr":"344416","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43312,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[80,193,235,139]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":763167},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.010035,"noise_level":-28.314554,"freq_skew":0.472816,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4951D1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":763637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.125607,"noise_level":-28.413883,"freq_skew":-0.680207,"avlc":{"src":{"addr":"4951D1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":764310},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.527700,"noise_level":-28.368235,"freq_skew":1.414752,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":830,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1614,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[252,103,129,208]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":765185},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.379979,"noise_level":-28.300213,"freq_skew":0.700300,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[66,168,70,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":765811},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.518522,"noise_level":-28.255157,"freq_skew":0.469432,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43263,"dst_ref":82,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[174,248,103,185]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":766658},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.570107,"noise_level":-28.188011,"freq_skew":0.714920,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":766835},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.876563,"noise_level":-28.188011,"freq_skew":0.493811,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,157,119,244]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"PORTO","facility_function":"approach"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":120.910000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":769781},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.050282,"noise_level":-28.193302,"freq_skew":1.474991,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":770591},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.330448,"noise_level":-28.148800,"freq_skew":0.573480,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53870,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":83,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[228,53,221,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735080,"usec":771190},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.355782,"noise_level":-28.341885,"freq_skew":0.461888,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53871,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":83,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[108,128,139,210]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":528748},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.435513,"noise_level":-28.296614,"freq_skew":0.655081,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[66,168,70,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":529007},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.643994,"noise_level":-28.274067,"freq_skew":1.765284,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-4.000000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":529789},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.336773,"noise_level":-28.206776,"freq_skew":1.392817,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":529789},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.336773,"noise_level":-28.206776,"freq_skew":1.392817,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":530812},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.426442,"noise_level":-28.140001,"freq_skew":0.574071,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[66,168,70,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":531454},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.963878,"noise_level":-28.095768,"freq_skew":1.624696,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[162,226,114,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":531454},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.963878,"noise_level":-28.095768,"freq_skew":1.624696,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NTQ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"IB07HP","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":531589},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.170408,"noise_level":-29.102108,"freq_skew":0.571369,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":82,"credit":10,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[66,168,70,208]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":532811},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.770910,"noise_level":-29.028118,"freq_skew":1.333358,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":831,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":82,"dst_ref":43263,"variable_part_params":[{"name":"atn_checksum","value":[48,101,75,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":532811},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.770910,"noise_level":-29.028118,"freq_skew":1.333358,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":832,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1614,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[216,142,12,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735081,"usec":533188},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.330120,"noise_level":-29.028118,"freq_skew":1.855400,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15071314","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,114,204,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735082,"usec":284363},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.184393,"noise_level":-29.644180,"freq_skew":2.264591,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":577,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735082,"usec":286212},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.016916,"noise_level":-29.461559,"freq_skew":1.345261,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735082,"usec":288732},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.221978,"noise_level":-29.282703,"freq_skew":-1.392369,"avlc":{"src":{"addr":"342211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43396,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[217,0,78,71]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735082,"usec":289615},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378496,"noise_level":-29.257450,"freq_skew":1.953155,"avlc":{"src":{"addr":"4CAE6D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735082,"usec":291723},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.955432,"noise_level":-29.389532,"freq_skew":1.694604,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735083,"usec":53597},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357023,"noise_level":-29.062912,"freq_skew":-2.159703,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"5U","blk_id":"4","ack":"!","flight":"LS015L","msg_num":"M55","msg_num_seq":"A","msg_text":"  01 WXRQ   015L/28 GCFV/EGSS .G-JZHH\r\n/TYP 1/STA LFBD/STA LFRS/STA LFRB"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735083,"usec":63726},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.011679,"noise_level":-29.215988,"freq_skew":1.549405,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735083,"usec":64347},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.604157,"noise_level":-29.165939,"freq_skew":0.734128,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,157,119,244]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"PORTO","facility_function":"approach"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":120.910000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735083,"usec":812113},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.146334,"noise_level":-28.968582,"freq_skew":0.622023,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735083,"usec":813050},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.554065,"noise_level":-28.895714,"freq_skew":0.626399,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735083,"usec":813050},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.554065,"noise_level":-28.895714,"freq_skew":0.626399,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":10,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[192,17,40,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735083,"usec":818296},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.965909,"noise_level":-29.220535,"freq_skew":1.454782,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735083,"usec":819008},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.424606,"noise_level":-29.958683,"freq_skew":2.347097,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11905A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735083,"usec":820277},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.389066,"noise_level":-29.931389,"freq_skew":0.539601,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6556,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[123,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735084,"usec":570607},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011984,"noise_level":-29.796190,"freq_skew":-0.558044,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[164,118,136,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735084,"usec":570804},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.217258,"noise_level":-29.796190,"freq_skew":0.871771,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJE","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC97RH","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735084,"usec":570804},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.217258,"noise_level":-29.796190,"freq_skew":0.871771,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21003423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,7,19,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735084,"usec":572509},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.352486,"noise_level":-29.636684,"freq_skew":1.533035,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":831,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":82,"dst_ref":43263,"variable_part_params":[{"name":"atn_checksum","value":[48,101,75,41]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735084,"usec":577925},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.475105,"noise_level":-29.454222,"freq_skew":1.190594,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":832,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1614,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[216,142,12,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735084,"usec":586070},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.325970,"noise_level":-29.300819,"freq_skew":0.482402,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53876,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":59,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[72,129,231,103]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735085,"usec":336858},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.044494,"noise_level":-29.200037,"freq_skew":0.064015,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1624,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[243,80,139,134]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735085,"usec":337407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.285719,"noise_level":-29.150078,"freq_skew":0.877278,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735085,"usec":338872},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.129382,"noise_level":-29.026430,"freq_skew":0.476156,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735085,"usec":339723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.283275,"noise_level":-28.953075,"freq_skew":0.695819,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735085,"usec":340052},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.680006,"noise_level":-28.953075,"freq_skew":0.676799,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735085,"usec":340052},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.680006,"noise_level":-28.953075,"freq_skew":0.676799,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53878,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":83,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[224,122,54,127]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LPPC,LISBOA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735085,"usec":340610},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.402040,"noise_level":-28.904516,"freq_skew":1.684463,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[162,226,114,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735085,"usec":344183},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.472210,"noise_level":-29.360882,"freq_skew":0.680710,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":6,"variable_part_params":[{"name":"checksum","value":[31,146]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735085,"usec":344593},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.027592,"noise_level":-29.776035,"freq_skew":0.660193,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735085,"usec":346208},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316053,"noise_level":-29.696100,"freq_skew":1.848798,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735086,"usec":102744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.614176,"noise_level":-29.307102,"freq_skew":0.985237,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735086,"usec":106570},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596352,"noise_level":-29.231350,"freq_skew":0.504829,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6557,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43170,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[80,125]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735086,"usec":860138},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.870577,"noise_level":-28.862198,"freq_skew":0.449588,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-JZHH","mode":"2","label":"RA","blk_id":"H","ack":"4","msg_text":"QUGTWLSXA~1\r\nSA 28/20:36\r\nLFBD 282030Z AUTO 32006KT CAVOK 19/13\r\n  Q1023 NOSIG\r\nSA 28/20:37\r\nLFRS 282030Z AUTO 30004KT CAVOK 18/14\r\n  Q1023 NOSIG\r\nSA 28/20:36\r\nLFRB 282030Z AUTO 31005KT 280V340 9999\r\n  SCT017 BKN045 OVC2"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735086,"usec":860538},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.780200,"noise_level":-28.838137,"freq_skew":0.459340,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735086,"usec":867586},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491885,"noise_level":-28.508093,"freq_skew":0.445058,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,157,119,244]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"PORTO","facility_function":"approach"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":120.910000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735087,"usec":618271},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.804684,"noise_level":-28.438972,"freq_skew":0.902421,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":650,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[122,155]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735087,"usec":618698},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.017861,"noise_level":-28.416054,"freq_skew":-0.609930,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43376,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[164,118,136,165]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735087,"usec":618879},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499808,"noise_level":-28.735023,"freq_skew":-0.291257,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"9","ack":"D","flight":"VY33KE","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735087,"usec":619776},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203330,"noise_level":-28.664082,"freq_skew":-1.952914,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"5","ack":"H","flight":"LS015L","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735087,"usec":626068},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.890399,"noise_level":-28.317802,"freq_skew":-0.194044,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"VY33KE","msg_num":"F12","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AK,71605F"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735087,"usec":626829},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.931627,"noise_level":-28.295200,"freq_skew":0.514951,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53878,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":83,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[224,122,54,127]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LPPC,LISBOA,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735088,"usec":386375},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.153875,"noise_level":-28.116470,"freq_skew":0.696256,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4691C3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735088,"usec":386999},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.077103,"noise_level":-28.072357,"freq_skew":0.597033,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735088,"usec":387153},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.839558,"noise_level":-28.072357,"freq_skew":0.621681,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[69,165,206,197]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlrq","data":{"release_request":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LFRR","facility_name":"BREST","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":124.065000,"unit":"MHz"}}}}}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735088,"usec":390645},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.608875,"noise_level":-27.855089,"freq_skew":1.267607,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":833,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1614,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[46,91,62,119]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1614,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[151,25,182,107]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735088,"usec":393194},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.832267,"noise_level":-27.727289,"freq_skew":0.820724,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":96,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43353,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[5,51,68,176]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43353,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[88,141,117,36]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735089,"usec":152173},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.456707,"noise_level":-27.727289,"freq_skew":1.571190,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1658,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[39,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735089,"usec":153952},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.340296,"noise_level":-28.668629,"freq_skew":0.674790,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53884,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":83,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[58,2,16,230]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735089,"usec":155434},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.433969,"noise_level":-28.551600,"freq_skew":0.697602,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20445,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[250,198,50,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735089,"usec":158937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.971603,"noise_level":-28.322170,"freq_skew":-0.112374,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735089,"usec":906106},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.771760,"noise_level":-28.209688,"freq_skew":0.595246,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,157,119,244]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"PORTO","facility_function":"approach"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":120.910000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735089,"usec":909030},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.507204,"noise_level":-27.967239,"freq_skew":0.819688,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735089,"usec":913213},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.045354,"noise_level":-27.880726,"freq_skew":1.322024,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735091,"usec":436754},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.638315,"noise_level":-26.828087,"freq_skew":0.630848,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":647,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43435,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[66,145,118,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735092,"usec":195448},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.783182,"noise_level":-26.473209,"freq_skew":0.514947,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440CC1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,157,119,244]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":37,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"PORTO","facility_function":"approach"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":120.910000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735092,"usec":199290},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.248765,"noise_level":-26.304636,"freq_skew":2.012508,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":778,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43322,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[148,210,214,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735092,"usec":199963},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.775162,"noise_level":-26.268810,"freq_skew":0.313470,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":648,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735093,"usec":723336},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.820973,"noise_level":-25.698082,"freq_skew":0.500564,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":649,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43435,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[151,94,168,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735093,"usec":724705},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.222831,"noise_level":-26.188925,"freq_skew":1.751533,"avlc":{"src":{"addr":"4CA9D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1659,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43342,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[233,61]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735093,"usec":733170},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.236359,"noise_level":-26.977898,"freq_skew":0.812593,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":97,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43353,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[228,56,234,143]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735093,"usec":733170},"freq":136975000,"burst_len_octets":104,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.236359,"noise_level":-26.977898,"freq_skew":0.812593,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":98,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30821,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[12,130,236,138]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":12}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735094,"usec":474189},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.705561,"noise_level":-26.862293,"freq_skew":1.002442,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":651,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1622,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[242,129]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735094,"usec":477134},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.484025,"noise_level":-26.654266,"freq_skew":0.675961,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20453,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[80,147,100,171]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735094,"usec":477294},"freq":136975000,"burst_len_octets":118,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.849462,"noise_level":-26.654266,"freq_skew":0.449524,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":43353,"dst_ref":53,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[31,139,194,238]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735094,"usec":477294},"freq":136975000,"burst_len_octets":118,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-3.849462,"noise_level":-26.654266,"freq_skew":0.449524,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":15,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[122,176,57,25]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735094,"usec":477294},"freq":136975000,"burst_len_octets":118,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-3.849462,"noise_level":-26.654266,"freq_skew":0.449524,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35365,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[97,105,188,201]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735094,"usec":481525},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.608194,"noise_level":-27.043932,"freq_skew":0.770362,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":99,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":53,"dst_ref":43353,"variable_part_params":[{"name":"atn_checksum","value":[179,156,81,251]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735095,"usec":241429},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.865153,"noise_level":-26.774532,"freq_skew":0.781245,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":652,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43272,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[79,24]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735095,"usec":245755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.165041,"noise_level":-26.661587,"freq_skew":0.432050,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735095,"usec":999942},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.286138,"noise_level":-26.403620,"freq_skew":1.759188,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":636,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43373,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[217,48,32,125]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735096,"usec":747},"freq":136975000,"burst_len_octets":73,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.586054,"noise_level":-26.349325,"freq_skew":0.534491,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[51,119]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":127.230000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735096,"usec":767272},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.720416,"noise_level":-25.943964,"freq_skew":0.170828,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7372,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[188,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735096,"usec":779541},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.174811,"noise_level":-25.589678,"freq_skew":0.724506,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735097,"usec":526749},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823962,"noise_level":-26.349743,"freq_skew":-0.281234,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":40.100002,"lon":-4.400000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735097,"usec":527592},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.874642,"noise_level":-27.392828,"freq_skew":0.109355,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43309,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[224,43]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735097,"usec":527716},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.086164,"noise_level":-27.372505,"freq_skew":0.472151,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735097,"usec":535837},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.466563,"noise_level":-27.034122,"freq_skew":0.481130,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35365,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[97,105,188,201]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735098,"usec":288373},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.552213,"noise_level":-26.898533,"freq_skew":0.466738,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":7,"variable_part_params":[{"name":"checksum","value":[27,149]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735099,"usec":56578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.410969,"noise_level":-26.705610,"freq_skew":0.290250,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735099,"usec":63984},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.795825,"noise_level":-26.910532,"freq_skew":1.941436,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":594,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735099,"usec":811443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866213,"noise_level":-26.682594,"freq_skew":1.102449,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735099,"usec":811517},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.800157,"noise_level":-26.682594,"freq_skew":1.701658,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":865,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735099,"usec":816257},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.197776,"noise_level":-26.923075,"freq_skew":0.456811,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735100,"usec":576060},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.434906,"noise_level":-26.751316,"freq_skew":0.650842,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35365,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[97,105,188,201]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735100,"usec":577105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657516,"noise_level":-26.694811,"freq_skew":0.630417,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735100,"usec":578071},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.810194,"noise_level":-26.638670,"freq_skew":0.744616,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":100,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30821,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[72,144,55,210]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735100,"usec":579608},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.565101,"noise_level":-27.256737,"freq_skew":1.140270,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43398,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[25,131]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735101,"usec":343936},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.907418,"noise_level":-27.274702,"freq_skew":-1.646556,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GMMX"},{"name":"ac_location","value":{"loc":{"lat":39.200001,"lon":-7.300000},"alt":0}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735101,"usec":346413},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.090556,"noise_level":-27.095921,"freq_skew":0.508473,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735101,"usec":346870},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.849391,"noise_level":-27.076283,"freq_skew":1.436042,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43398,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[134,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735102,"usec":95583},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.039037,"noise_level":-27.475056,"freq_skew":-1.597863,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20073335","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,118,221,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735102,"usec":861734},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.878089,"noise_level":-27.054110,"freq_skew":-1.617246,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-DRTH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS05CD","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735102,"usec":864991},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.944479,"noise_level":-26.927071,"freq_skew":1.577062,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735102,"usec":871901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.314646,"noise_level":-27.418324,"freq_skew":1.255021,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735103,"usec":625720},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.773763,"noise_level":-27.097828,"freq_skew":0.655551,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":100,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30821,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[72,144,55,210]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735104,"usec":384899},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.148940,"noise_level":-26.731989,"freq_skew":-1.784267,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":532,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735104,"usec":385078},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.878522,"noise_level":-26.731989,"freq_skew":0.555822,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735104,"usec":387103},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574872,"noise_level":-27.064995,"freq_skew":-1.501966,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735105,"usec":149167},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.789945,"noise_level":-26.423187,"freq_skew":-0.300333,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":40.100002,"lon":-4.400000},"alt":35000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735105,"usec":150678},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.721857,"noise_level":-27.217628,"freq_skew":0.710657,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406017","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":27896,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735105,"usec":909112},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.853329,"noise_level":-27.486004,"freq_skew":0.741374,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735105,"usec":910320},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331581,"noise_level":-27.404133,"freq_skew":-1.361117,"avlc":{"src":{"addr":"345101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":68,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735105,"usec":911019},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.834200,"noise_level":-27.363483,"freq_skew":-0.113222,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"VY33KE","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735105,"usec":916328},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.193696,"noise_level":-28.201330,"freq_skew":2.184205,"avlc":{"src":{"addr":"406017","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735105,"usec":917222},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.123274,"noise_level":-28.156784,"freq_skew":-0.297669,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,76,71,0,52,35,152,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735105,"usec":918869},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.781962,"noise_level":-28.068373,"freq_skew":0.569003,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"15021630","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735106,"usec":669860},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719307,"noise_level":-28.002647,"freq_skew":0.716017,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43325,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[235,226,218,156]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735106,"usec":672743},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.304727,"noise_level":-27.808414,"freq_skew":0.604698,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"342398","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-JTR","mode":"2","label":"_d","blk_id":"Y","ack":"1","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735107,"usec":430189},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.094082,"noise_level":-27.432503,"freq_skew":-0.158662,"avlc":{"src":{"addr":"342398","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735108,"usec":191465},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.061540,"noise_level":-26.974699,"freq_skew":0.206534,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7374,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43309,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[114,38]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":26}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735108,"usec":192271},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.156507,"noise_level":-26.936007,"freq_skew":0.450514,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53899,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,75,169,18]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735108,"usec":196081},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.677379,"noise_level":-26.763996,"freq_skew":1.793002,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":367,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[222,86,205,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735108,"usec":196576},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.417808,"noise_level":-26.745092,"freq_skew":0.632738,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20469,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":16,"credit":10,"rseq":8,"variable_part_params":[{"name":"checksum","value":[23,152]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735108,"usec":197101},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.880334,"noise_level":-26.726229,"freq_skew":1.340957,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43398,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[46,148]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":26}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735108,"usec":960524},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.209292,"noise_level":-26.411676,"freq_skew":0.627888,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735108,"usec":963177},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.672500,"noise_level":-26.303322,"freq_skew":0.719551,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":16,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[57,86]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":9,"msg_ref":7,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735108,"usec":964750},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.468880,"noise_level":-26.214048,"freq_skew":0.605816,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35652,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[15,162]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735109,"usec":717976},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.322301,"noise_level":-26.125683,"freq_skew":0.134037,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735109,"usec":721666},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.105707,"noise_level":-26.663563,"freq_skew":-0.280760,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":40.299999,"lon":-7.600000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735109,"usec":726685},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.710293,"noise_level":-26.933395,"freq_skew":0.214279,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[177,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735109,"usec":726981},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.869288,"noise_level":-26.914120,"freq_skew":0.115084,"avlc":{"src":{"addr":"4952CF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":307,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43337,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[211,187,68,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735109,"usec":727281},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.557894,"noise_level":-26.894886,"freq_skew":1.401292,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43398,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[14,140]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735109,"usec":727498},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.252710,"noise_level":-26.875696,"freq_skew":-0.421044,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TJM","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"TP0555","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735109,"usec":727498},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.252710,"noise_level":-26.875696,"freq_skew":-0.421044,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22250515","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,65,80,0,73,81,77,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735110,"usec":478724},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.865572,"noise_level":-26.780375,"freq_skew":1.298252,"avlc":{"src":{"addr":"40643A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":624,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1570,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,87,240,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735110,"usec":479033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.036722,"noise_level":-27.121307,"freq_skew":-1.540651,"avlc":{"src":{"addr":"345101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735110,"usec":480828},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.654701,"noise_level":-27.003792,"freq_skew":0.247730,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7376,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61113,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[111,11]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735111,"usec":246306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.106569,"noise_level":-27.018612,"freq_skew":0.574920,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735111,"usec":247042},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.286940,"noise_level":-26.979723,"freq_skew":0.669900,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CF","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735111,"usec":248618},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.987082,"noise_level":-26.864094,"freq_skew":-0.199118,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735111,"usec":250357},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438336,"noise_level":-26.825890,"freq_skew":0.570684,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53903,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,60,108,43]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"LISBOA","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":132.305000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735111,"usec":251420},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.004413,"noise_level":-26.768898,"freq_skew":0.668877,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735111,"usec":998655},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.229742,"noise_level":-26.507774,"freq_skew":2.398167,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBB"},{"name":"ac_location","value":{"loc":{"lat":42.500000,"lon":-1.300000},"alt":25000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735111,"usec":999177},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.335150,"noise_level":-26.471102,"freq_skew":1.789667,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735112,"usec":531},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.068997,"noise_level":-26.398222,"freq_skew":1.906358,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":368,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[172,245,172,179]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1580,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[229,194,136,135]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735112,"usec":2539},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679547,"noise_level":-26.712473,"freq_skew":1.190434,"avlc":{"src":{"addr":"440179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":812,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43371,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[228,67,107,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735112,"usec":3835},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375114,"noise_level":-27.182800,"freq_skew":2.220221,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MBK","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"V73543","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735112,"usec":6977},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358516,"noise_level":-27.143173,"freq_skew":2.085666,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15042310","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,86,79,69,0,52,68,200,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735112,"usec":9875},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.967588,"noise_level":-27.123428,"freq_skew":1.793194,"avlc":{"src":{"addr":"40690C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43329,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[157,66,129,216]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735112,"usec":10235},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.435925,"noise_level":-27.103725,"freq_skew":0.528728,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53909,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[58,24,219,188]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735112,"usec":767164},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.163508,"noise_level":-26.909130,"freq_skew":1.703725,"avlc":{"src":{"addr":"49514F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":779,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43416,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[4,247,152,216]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735112,"usec":770307},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.879886,"noise_level":-26.794432,"freq_skew":0.939533,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":653,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1622,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[213,240]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735112,"usec":774998},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.371100,"noise_level":-27.368677,"freq_skew":1.991528,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735112,"usec":775469},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274358,"noise_level":-27.348412,"freq_skew":2.201506,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735113,"usec":535969},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.567821,"noise_level":-27.030439,"freq_skew":-1.836369,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735113,"usec":539767},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.737037,"noise_level":-26.894905,"freq_skew":0.241200,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[177,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735113,"usec":542252},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496273,"noise_level":-26.799374,"freq_skew":-0.021454,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":39.400002,"lon":-6.800000},"alt":31000}},{"name":"alternate_ground_stations","value":["1192CA","1191CA","119C1A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735114,"usec":292945},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.790686,"noise_level":-26.742554,"freq_skew":0.227820,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[11,150,77,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735114,"usec":296041},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.693259,"noise_level":-26.537342,"freq_skew":0.432619,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7376,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61113,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[111,11]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735114,"usec":299444},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796428,"noise_level":-26.445644,"freq_skew":2.850392,"avlc":{"src":{"addr":"440614","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":263,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43391,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[179,222,127,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735114,"usec":300708},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.205735,"noise_level":-26.391087,"freq_skew":0.529280,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735115,"usec":53676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.139655,"noise_level":-26.176216,"freq_skew":0.461040,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735115,"usec":54785},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.940090,"noise_level":-26.113567,"freq_skew":-0.203448,"avlc":{"src":{"addr":"49514D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735115,"usec":813322},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348188,"noise_level":-25.786194,"freq_skew":-0.041455,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TPS","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"TP19UT","msg_num":"M10","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735115,"usec":813901},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.103457,"noise_level":-25.752441,"freq_skew":-0.885498,"avlc":{"src":{"addr":"39E683","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":158,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43252,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[134,151,65,22]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735115,"usec":817828},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441197,"noise_level":-25.552631,"freq_skew":-0.091200,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22251023","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,65,80,0,73,82,19,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735117,"usec":333368},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692080,"noise_level":-24.933271,"freq_skew":0.146214,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[11,150,77,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735117,"usec":339294},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.110020,"noise_level":-25.441387,"freq_skew":0.244847,"avlc":{"src":{"addr":"406B90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":99206},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.094833,"noise_level":-25.392769,"freq_skew":-0.135925,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":760,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61097,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[172,152,23,100]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":99299},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.233835,"noise_level":-25.392769,"freq_skew":1.910288,"avlc":{"src":{"addr":"4401FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":706,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43348,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[237,195,227,195]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":100116},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.120334,"noise_level":-25.360508,"freq_skew":0.228349,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":100276},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.041643,"noise_level":-25.645145,"freq_skew":1.763500,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":369,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1580,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[27,180,79,152]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":36}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":103285},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.829749,"noise_level":-25.513060,"freq_skew":0.219929,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43309,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[177,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":103760},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203981,"noise_level":-25.496689,"freq_skew":-0.232786,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":761,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61097,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[17,22,51,182]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":107213},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.296684,"noise_level":-25.350725,"freq_skew":0.674566,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53916,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,228,14,103]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":107474},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.780415,"noise_level":-25.334656,"freq_skew":0.469454,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53917,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":61,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[42,118,212,97]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":858735},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.662848,"noise_level":-25.334656,"freq_skew":0.247191,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7376,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61113,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[111,11]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":858952},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.858345,"noise_level":-26.253111,"freq_skew":0.595899,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20487,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":70,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[237,38,234,86]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LECM","facility_name":"/ATC UNIT MADRID","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":133.755000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":859758},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.929223,"noise_level":-26.199745,"freq_skew":1.889018,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":859983},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.619179,"noise_level":-26.182030,"freq_skew":0.682591,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"48C22F","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":861942},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.358176,"noise_level":-26.059019,"freq_skew":0.674473,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53916,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[143,228,14,103]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":862063},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.122954,"noise_level":-26.059019,"freq_skew":0.457971,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-JZHH","mode":"2","label":"RA","blk_id":"H","ack":"4","msg_text":"QUGTWLSXA~1\r\nSA 28/20:36\r\nLFBD 282030Z AUTO 32006KT CAVOK 19/13\r\n  Q1023 NOSIG\r\nSA 28/20:37\r\nLFRS 282030Z AUTO 30004KT CAVOK 18/14\r\n  Q1023 NOSIG\r\nSA 28/20:36\r\nLFRB 282030Z AUTO 31005KT 280V340 9999\r\n  SCT017 BKN045 OVC2"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":865683},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.483684,"noise_level":-26.164816,"freq_skew":0.735588,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":736,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43315,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[217,100,182,209]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43315,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[101,170,152,168]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735118,"usec":867415},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.534848,"noise_level":-26.748817,"freq_skew":1.758550,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":247,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43418,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[130,50,157,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735119,"usec":620625},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.411282,"noise_level":-26.913986,"freq_skew":0.651778,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406539","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20488,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":70,"credit":10,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[9,222,74,37]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735119,"usec":622402},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.381119,"noise_level":-26.799223,"freq_skew":1.715566,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":651,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43432,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[7,233,62,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735119,"usec":622779},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.242529,"noise_level":-26.993553,"freq_skew":-2.093153,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"6","ack":"H","flight":"LS015L","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735119,"usec":623121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.102772,"noise_level":-26.974144,"freq_skew":1.933253,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735120,"usec":380104},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.713610,"noise_level":-26.725691,"freq_skew":0.180950,"avlc":{"src":{"addr":"4CAD87","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":76,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43232,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[11,150,77,234]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735120,"usec":380703},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.537417,"noise_level":-26.688089,"freq_skew":2.014123,"avlc":{"src":{"addr":"440051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":370,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1580,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[32,149,167,163]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735120,"usec":381931},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.189655,"noise_level":-26.688890,"freq_skew":0.537811,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735120,"usec":385762},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.720957,"noise_level":-26.577044,"freq_skew":0.765839,"avlc":{"src":{"addr":"406539","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735120,"usec":386959},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.719045,"noise_level":-27.283844,"freq_skew":1.736954,"avlc":{"src":{"addr":"344645","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43403,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[167,145,148,207]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735120,"usec":390354},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.362185,"noise_level":-27.164125,"freq_skew":0.622451,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440051","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735121,"usec":147009},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.797473,"noise_level":-27.065603,"freq_skew":0.512518,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"RA","blk_id":"I","ack":"!","msg_text":"QUGTWLSXA~1\r\nSA 28/20:36\r\nLFBD 282030Z AUTO 32006KT CAVOK 19/13\r\n  Q1023 NOSIG\r\nSA 28/20:37\r\nLFRS 282030Z AUTO 30004KT CAVOK 18/14\r\n  Q1023 NOSIG\r\nSA 28/20:36\r\nLFRB 282030Z AUTO 31005KT 280V340 9999\r\n  SCT017 BKN045 OVC220\r\n  17/15 Q1024 NOSIG\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735121,"usec":155340},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.347124,"noise_level":-26.738749,"freq_skew":0.738549,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":17,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[15,162]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735121,"usec":155830},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.321260,"noise_level":-26.719902,"freq_skew":-1.330372,"avlc":{"src":{"addr":"342211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":472,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735121,"usec":914977},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.706935,"noise_level":-26.261499,"freq_skew":0.647138,"avlc":{"src":{"addr":"407CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6558,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30829,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[179,137]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735122,"usec":668725},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.430903,"noise_level":-26.084705,"freq_skew":1.703407,"avlc":{"src":{"addr":"4010EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":651,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43432,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[7,233,62,200]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735122,"usec":672655},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.226119,"noise_level":-26.681871,"freq_skew":0.480353,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407CB1","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735122,"usec":674943},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.846534,"noise_level":-26.588642,"freq_skew":-1.829313,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":686,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[36,102,127,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735123,"usec":436714},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.668611,"noise_level":-26.786427,"freq_skew":0.656242,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"RA","blk_id":"I","ack":"!","msg_text":"20\r\n  17/15 Q1024 NOSIG\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735123,"usec":444920},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.785957,"noise_level":-26.598736,"freq_skew":-1.414440,"avlc":{"src":{"addr":"342211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735123,"usec":445847},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.444072,"noise_level":-26.543213,"freq_skew":0.575082,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8277,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[85,247,5,245]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735124,"usec":202187},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.338599,"noise_level":-26.482128,"freq_skew":-2.271903,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-JZHH","mode":"2","label":"_d","blk_id":"7","ack":"I","flight":"LS015L","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735124,"usec":203047},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670558,"noise_level":-26.871574,"freq_skew":1.914214,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZDA","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"U292QR","msg_num":"C12","msg_num_seq":"A","sublabel":"CF","msg_text":"WRN/WN25072820380021610006TEMP CTL 2              \r"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735124,"usec":206644},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.093913,"noise_level":-26.738480,"freq_skew":-2.113160,"avlc":{"src":{"addr":"40702E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":759,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43318,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[8,230,115,215]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735124,"usec":208434},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.959737,"noise_level":-27.042046,"freq_skew":1.725907,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":248,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1576,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[136,76,168,8]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1576,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[208,160,234,41]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735124,"usec":209264},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.582932,"noise_level":-27.003052,"freq_skew":0.550645,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[97,105,188,201]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735124,"usec":209624},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.678889,"noise_level":-26.983622,"freq_skew":0.646624,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"40702E","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735124,"usec":954760},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.885555,"noise_level":-26.964235,"freq_skew":1.137774,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8452,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735124,"usec":955623},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.678773,"noise_level":-27.604521,"freq_skew":0.613582,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":101,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30821,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[72,144,55,210]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735124,"usec":960061},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.822937,"noise_level":-27.378178,"freq_skew":0.735638,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":54,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[60,57,167,27]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"FREE TEXT","choice":"uM183FreeText","data":{"free_text":"CURRENT ATC UNIT LFRR,BREST,CONTROL"}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735125,"usec":723054},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.984828,"noise_level":-27.260046,"freq_skew":0.677768,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":102,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":30821,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[157,93,105,125]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":30821,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[129,186,130,166]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735125,"usec":724241},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.894578,"noise_level":-27.605732,"freq_skew":1.996373,"avlc":{"src":{"addr":"405631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735125,"usec":728906},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.250238,"noise_level":-27.440512,"freq_skew":1.811662,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735125,"usec":729494},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.804928,"noise_level":-27.440512,"freq_skew":0.495450,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4952CA","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":35418,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":54,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[207,125,107,195]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735126,"usec":482385},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.972733,"noise_level":-27.379097,"freq_skew":-1.936630,"avlc":{"src":{"addr":"408067","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":686,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43384,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[36,102,127,166]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735126,"usec":488731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.474853,"noise_level":-27.060020,"freq_skew":0.882114,"avlc":{"src":{"addr":"4952CA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735128,"usec":5512},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.615707,"noise_level":-26.328106,"freq_skew":0.332347,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":891,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43362,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[43,128,128,5]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735128,"usec":8714},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.335229,"noise_level":-26.203022,"freq_skew":1.374718,"avlc":{"src":{"addr":"4CA7B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735128,"usec":8812},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291882,"noise_level":-26.203022,"freq_skew":0.206289,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":892,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735128,"usec":768746},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.196490,"noise_level":-26.722488,"freq_skew":0.724329,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735128,"usec":770980},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.120607,"noise_level":-26.610212,"freq_skew":2.400104,"avlc":{"src":{"addr":"3444C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735128,"usec":777858},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.831950,"noise_level":-26.371815,"freq_skew":2.384193,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":41.200001,"lon":-6.100000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735128,"usec":778858},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.049268,"noise_level":-26.353745,"freq_skew":1.682235,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":249,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":1576,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[138,71,115,127]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735128,"usec":778986},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.898144,"noise_level":-26.353745,"freq_skew":1.293781,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":209,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735129,"usec":523791},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.767187,"noise_level":-26.281837,"freq_skew":0.694944,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735129,"usec":524644},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796504,"noise_level":-26.663887,"freq_skew":1.826020,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43418,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[201,194,140,235]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735129,"usec":526404},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.810575,"noise_level":-26.848858,"freq_skew":-1.764422,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":533,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43343,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[133,187,15,94]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735129,"usec":526538},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340815,"noise_level":-26.848858,"freq_skew":2.590376,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHS","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U279YV","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735129,"usec":526538},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.340815,"noise_level":-26.848858,"freq_skew":2.590376,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20073207","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,118,135,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735129,"usec":529708},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.549507,"noise_level":-27.477222,"freq_skew":0.548708,"avlc":{"src":{"addr":"440713","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":286,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735129,"usec":530107},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991945,"noise_level":-27.939089,"freq_skew":0.581689,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20073207","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735130,"usec":292826},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.034113,"noise_level":-27.703974,"freq_skew":1.627731,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[0,33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735130,"usec":297535},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.739302,"noise_level":-27.569857,"freq_skew":0.500393,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4605,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43388,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[75,91]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735131,"usec":50535},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.730742,"noise_level":-27.507786,"freq_skew":1.680713,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":56,"dst_ref":1576,"variable_part_params":[{"name":"atn_checksum","value":[185,72,65,175]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735131,"usec":51904},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484001,"noise_level":-27.425709,"freq_skew":-2.908739,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EPWA"},{"name":"ac_location","value":{"loc":{"lat":43.799999,"lon":-4.300000},"alt":39000}},{"name":"alternate_ground_stations","value":["119A6A","119A8A","119C1A","11928A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735131,"usec":52675},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.918678,"noise_level":-27.384960,"freq_skew":1.643537,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43418,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[15,229,2,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735131,"usec":53249},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.498023,"noise_level":-27.364656,"freq_skew":0.664781,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHS","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735131,"usec":59797},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.061924,"noise_level":-27.026575,"freq_skew":-3.278187,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43368,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[179,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735131,"usec":818056},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.006091,"noise_level":-26.910324,"freq_skew":-3.036068,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LRA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LO05JL","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735131,"usec":818875},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.531368,"noise_level":-26.871918,"freq_skew":1.843918,"avlc":{"src":{"addr":"3472CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":866,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43334,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[197,91,29,90]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735132,"usec":570670},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.485898,"noise_level":-27.345024,"freq_skew":-2.802788,"avlc":{"src":{"addr":"503E68","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":212,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43310,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,27,82,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735132,"usec":572214},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.845170,"noise_level":-27.264463,"freq_skew":1.046584,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":634,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":43383,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[149,56]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":7,"day":28},"time":{"hour":20,"min":38,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735132,"usec":574300},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.574527,"noise_level":-27.164803,"freq_skew":2.349490,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHS","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U279YV","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735132,"usec":575301},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.541527,"noise_level":-27.959337,"freq_skew":0.521258,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20073207","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735132,"usec":576361},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.995905,"noise_level":-27.937649,"freq_skew":1.837167,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCK","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FR11BY","msg_num":"M84","msg_num_seq":"A","msg_text":"203850,M118160,2107,  97,N 38.570 W  3.584"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735132,"usec":576819},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.569741,"noise_level":-27.916012,"freq_skew":0.510954,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53925,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":18,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[2,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735132,"usec":577170},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.972180,"noise_level":-27.894430,"freq_skew":2.377084,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20073207","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,118,135,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735133,"usec":337349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.289571,"noise_level":-27.767208,"freq_skew":0.670945,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735133,"usec":338714},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.913957,"noise_level":-27.703716,"freq_skew":1.453351,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"B9","blk_id":"6","ack":"!","flight":"EC13NK","msg_num":"M16","msg_num_seq":"A","msg_text":"/LPPR.TI2/040LPPRA9EFC"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735133,"usec":340106},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.388851,"noise_level":-28.700869,"freq_skew":1.596021,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735134,"usec":104139},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.279452,"noise_level":-28.285248,"freq_skew":0.468703,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735134,"usec":104628},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.365710,"noise_level":-28.262732,"freq_skew":0.643317,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"Y","ack":"6","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735134,"usec":107226},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.958676,"noise_level":-28.128838,"freq_skew":1.876484,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43418,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[15,229,2,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735134,"usec":858284},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.269180,"noise_level":-27.717968,"freq_skew":1.150370,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735134,"usec":861981},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.318036,"noise_level":-27.509281,"freq_skew":1.526114,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735134,"usec":863027},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.761455,"noise_level":-27.509281,"freq_skew":1.857696,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735134,"usec":863819},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.595665,"noise_level":-27.965096,"freq_skew":0.632283,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20073207","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735134,"usec":864303},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.482121,"noise_level":-28.534832,"freq_skew":0.727194,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZHS","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735134,"usec":866241},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616932,"noise_level":-28.442509,"freq_skew":0.730554,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":53925,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":18,"credit":15,"rseq":2,"variable_part_params":[{"name":"checksum","value":[2,172]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735134,"usec":866802},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.075132,"noise_level":-28.419580,"freq_skew":2.482542,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735135,"usec":623147},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274688,"noise_level":-29.207024,"freq_skew":-0.019612,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":139,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735135,"usec":625509},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.361321,"noise_level":-29.057886,"freq_skew":1.161049,"avlc":{"src":{"addr":"4CA765","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":635,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43383,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[89,80]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735135,"usec":626076},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.657337,"noise_level":-29.033279,"freq_skew":0.521115,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20073207","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735135,"usec":628880},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.881004,"noise_level":-28.862942,"freq_skew":0.610843,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".OE-IDO","mode":"2","label":"A9","blk_id":"Q","ack":"!","msg_text":"/LISCAYA.TI2/LPPR ARR ATIS I\r\n2030Z RNP APCH\r\nRWY IN USE 35\r\nTRL 50\r\nPARTS OF CENTER LINE OUT OF SERVICE\r\n CHECK PUBLISHED NOTAM\r\nGND CL\r\nWND TDZ 360 DEG 7 KT\r\nCAVOK\r\nT 23 DP 16 QNH 1015\r\nBIRD ACTIVITY OVER RWY\r\nACK ARR "}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735135,"usec":631636},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.360303,"noise_level":-28.790951,"freq_skew":0.689854,"avlc":{"src":{"addr":"4CA97C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":314,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1590,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[115,110]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735135,"usec":632316},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.362804,"noise_level":-29.308863,"freq_skew":-3.016995,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43368,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[179,8]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735135,"usec":633675},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.728913,"noise_level":-29.258280,"freq_skew":1.302688,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"7","ack":"Q","flight":"EC13NK","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735136,"usec":394748},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.754824,"noise_level":-29.102278,"freq_skew":-3.167554,"avlc":{"src":{"addr":"48AE00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735136,"usec":397867},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615042,"noise_level":-28.979301,"freq_skew":-3.047331,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5165,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43368,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[106,167]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735136,"usec":399059},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.185715,"noise_level":-28.906345,"freq_skew":0.485687,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA97C","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735136,"usec":400217},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.378993,"noise_level":-28.858044,"freq_skew":0.581003,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735136,"usec":400717},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.059409,"noise_level":-28.810013,"freq_skew":2.375667,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735137,"usec":146508},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.264951,"noise_level":-28.620491,"freq_skew":-1.376823,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":758,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735137,"usec":147653},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.638730,"noise_level":-28.573751,"freq_skew":0.484953,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"A9","blk_id":"R","ack":"!","msg_text":"/LISCAYA.TI2/LPPR ARR ATIS I\r\n2030Z RNP APCH\r\nRWY IN USE 35\r\nTRL 50\r\nPARTS OF CENTER LINE OUT OF SERVICE\r\n CHECK PUBLISHED NOTAM\r\nGND CL\r\nWND TDZ 360 DEG 7 KT\r\nCAVOK\r\nT 23 DP 16 QNH 1015\r\nBIRD ACTIVITY OVER RWY\r\nACK ARR INFO I\r\n\r\n\r\nB873\r\n"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735137,"usec":150794},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.635299,"noise_level":-28.748920,"freq_skew":1.291535,"avlc":{"src":{"addr":"4400F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDO","mode":"2","label":"_d","blk_id":"8","ack":"R","flight":"EC13NK","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735137,"usec":153532},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.991480,"noise_level":-28.707819,"freq_skew":0.522485,"avlc":{"src":{"addr":"4CA9D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4606,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43388,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[8,243]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735137,"usec":920781},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.724177,"noise_level":-28.474283,"freq_skew":1.929120,"avlc":{"src":{"addr":"405B65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":252,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43418,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[15,229,2,75]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735137,"usec":922063},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.028060,"noise_level":-28.602497,"freq_skew":0.447249,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4400F3","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735137,"usec":926380},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.615469,"noise_level":-28.394543,"freq_skew":1.276213,"avlc":{"src":{"addr":"400AFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735138,"usec":672475},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.596886,"noise_level":-28.036699,"freq_skew":0.751951,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":28788,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735140,"usec":194393},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.949955,"noise_level":-27.004944,"freq_skew":0.538184,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2897,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43430,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[124,1]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735140,"usec":201397},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.080640,"noise_level":-26.736732,"freq_skew":0.631082,"avlc":{"src":{"addr":"4D234B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2898,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43430,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[51,160]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735140,"usec":960189},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.271726,"noise_level":-27.296909,"freq_skew":-1.634361,"avlc":{"src":{"addr":"4076DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":758,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1550,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[21,252,97,10]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735140,"usec":965957},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.262958,"noise_level":-27.058744,"freq_skew":-0.559263,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":800,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43282,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[230,185,169,7]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735141,"usec":719346},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359103,"noise_level":-27.423601,"freq_skew":-0.160558,"avlc":{"src":{"addr":"4B1A65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":762,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735141,"usec":720067},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.514218,"noise_level":-27.382862,"freq_skew":0.636895,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"44083C","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":20514,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":76,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[239,106,252,179]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":8,"acked_credit":3}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735141,"usec":721981},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.575731,"noise_level":-27.281841,"freq_skew":0.443492,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4ACB41","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":28788,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735141,"usec":725436},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238312,"noise_level":-27.122614,"freq_skew":1.151801,"avlc":{"src":{"addr":"347646","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735141,"usec":726932},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355070,"noise_level":-27.083261,"freq_skew":1.588440,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1901,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1535,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[133,142]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735142,"usec":482033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.876186,"noise_level":-26.869938,"freq_skew":-0.416041,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735142,"usec":483747},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.961853,"noise_level":-26.793650,"freq_skew":-1.837955,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"VY03RB","msg_num":"M11","msg_num_seq":"A","msg_text":"203900,33024,2124,  94,N 42.728 W  2.501, 760"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735142,"usec":487737},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.727480,"noise_level":-26.680454,"freq_skew":1.689731,"avlc":{"src":{"addr":"4010DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":779,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":43322,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[198,175,136,228]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735142,"usec":489550},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.332384,"noise_level":-26.643049,"freq_skew":0.144611,"avlc":{"src":{"addr":"4ACB41","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735145,"usec":528067},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.028212,"noise_level":-25.123158,"freq_skew":-2.010951,"avlc":{"src":{"addr":"342591","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-KHN","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"VY03RB","msg_num":"M11","msg_num_seq":"A","msg_text":"203900,33024,2124,  94,N 42.728 W  2.501, 760"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735145,"usec":529244},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679359,"noise_level":-25.772545,"freq_skew":0.212774,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1753735145,"usec":530164},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606513,"noise_level":-25.738846,"freq_skew":1.523467,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1901,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":1535,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[133,142]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}