{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014496,"usec":11191},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.195829,"noise_level":-13.114166,"freq_skew":-0.645319,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":1758014496,"usec":19897},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644135,"noise_level":-13.603296,"freq_skew":0.549507,"avlc":{"src":{"addr":"2B3185","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":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"timer_t4","value":[0,2]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[83,73,84,0,0,1]},{"name":"system_mask","value":["200000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.800000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014506,"usec":672547},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646536,"noise_level":-16.207287,"freq_skew":-3.186330,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":4,"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":64428,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[98,101,178,218]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014507,"usec":425915},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024579,"noise_level":-17.078117,"freq_skew":0.842422,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":1758014507,"usec":435081},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.250949,"noise_level":-17.420658,"freq_skew":-0.687156,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014508,"usec":195698},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.252324,"noise_level":-18.743450,"freq_skew":2.344301,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014509,"usec":735241},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.678501,"noise_level":-18.994198,"freq_skew":1.456566,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":"EGFF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014509,"usec":735241},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.678501,"noise_level":-18.994198,"freq_skew":1.456566,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":"20073260","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":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,79,77,0,64,118,176,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014509,"usec":735241},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-5.678501,"noise_level":-18.994198,"freq_skew":1.456566,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TAWY","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"BY06EJ","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014509,"usec":737567},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593512,"noise_level":-20.039154,"freq_skew":2.124363,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":135,"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":1758014511,"usec":246889},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.473353,"noise_level":-20.614883,"freq_skew":1.281311,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014512,"usec":762153},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686913,"noise_level":-21.325497,"freq_skew":0.834949,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014513,"usec":535499},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168055,"noise_level":-20.910608,"freq_skew":-2.265442,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014515,"usec":48423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337962,"noise_level":-21.621733,"freq_skew":1.038899,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014524,"usec":197828},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632240,"noise_level":-19.390450,"freq_skew":1.173149,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":205,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64633,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[49,91,66,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014529,"usec":533414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036085,"noise_level":-19.122305,"freq_skew":-1.182323,"avlc":{"src":{"addr":"484164","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014531,"usec":55275},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779360,"noise_level":-19.805681,"freq_skew":2.182957,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64541,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[150,149,64,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014531,"usec":813380},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761050,"noise_level":-19.604183,"freq_skew":-1.727794,"avlc":{"src":{"addr":"344218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014531,"usec":823457},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921391,"noise_level":-20.363798,"freq_skew":1.955010,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014533,"usec":333691},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709518,"noise_level":-21.071316,"freq_skew":-1.704388,"avlc":{"src":{"addr":"344218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014534,"usec":873725},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.271705,"noise_level":-20.436714,"freq_skew":1.833819,"avlc":{"src":{"addr":"3C0ACC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":1758014537,"usec":147662},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004454,"noise_level":-19.836809,"freq_skew":-1.276194,"avlc":{"src":{"addr":"484164","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7459,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014539,"usec":443021},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592658,"noise_level":-19.085976,"freq_skew":-0.756140,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-5.000000},"alt":32000}},{"name":"alternate_ground_stations","value":["26BA85","23CB05","2B3185","23A445","233D25"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014540,"usec":954608},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106002,"noise_level":-18.846924,"freq_skew":-2.525583,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"OMAA"},{"name":"ac_location","value":{"loc":{"lat":41.299999,"lon":-0.800000},"alt":28000}},{"name":"alternate_ground_stations","value":["2B3065","2A3D45","212625"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014541,"usec":720669},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117643,"noise_level":-18.859562,"freq_skew":-2.764850,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-BLQ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"EY026W","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014541,"usec":722718},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938320,"noise_level":-18.806404,"freq_skew":-2.843186,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","type":"Ground station"},"cr":"Command","frame_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":"42262301","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":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,69,84,68,0,137,100,193,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014541,"usec":727120},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573602,"noise_level":-18.753569,"freq_skew":-3.276305,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":321,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":8,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014541,"usec":728145},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793549,"noise_level":-20.828148,"freq_skew":0.752745,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"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":1758014542,"usec":477353},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673056,"noise_level":-20.648476,"freq_skew":-3.256702,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014543,"usec":243698},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937200,"noise_level":-21.829647,"freq_skew":0.649162,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":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":10095,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":4,"credit_avail":32}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014543,"usec":243967},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.583848,"noise_level":-21.818932,"freq_skew":-2.995272,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":1758014543,"usec":261545},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640327,"noise_level":-21.607340,"freq_skew":0.592397,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"347307","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014544,"usec":1602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968242,"noise_level":-21.534485,"freq_skew":-2.181234,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014544,"usec":3828},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.335379,"noise_level":-22.532173,"freq_skew":-2.668632,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014544,"usec":771099},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531762,"noise_level":-22.314041,"freq_skew":1.130240,"avlc":{"src":{"addr":"347307","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014548,"usec":580344},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629341,"noise_level":-21.521299,"freq_skew":-0.760916,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.100002,"lon":-5.000000},"alt":32000}},{"name":"alternate_ground_stations","value":["26BA85","23CB05","2B3185","23A445","233D25"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014549,"usec":344681},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868785,"noise_level":-22.282585,"freq_skew":-0.775202,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CC-BGQ","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LA8076","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014549,"usec":347434},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792671,"noise_level":-22.237518,"freq_skew":-0.776397,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"72002154","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":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,76,65,78,0,232,4,108,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014550,"usec":98670},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969365,"noise_level":-22.159204,"freq_skew":-2.729090,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64560,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[201,211]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014550,"usec":101964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829334,"noise_level":-22.026573,"freq_skew":1.675845,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014550,"usec":864554},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267907,"noise_level":-22.811352,"freq_skew":-0.619813,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014550,"usec":868236},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144589,"noise_level":-22.692116,"freq_skew":-2.883717,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64560,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[251,122]}]}],"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":1758014551,"usec":630677},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733469,"noise_level":-22.389555,"freq_skew":-0.657510,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014552,"usec":384265},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.157534,"noise_level":-22.186096,"freq_skew":-2.832625,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":21,"dst_ref":64560,"variable_part_params":[{"name":"checksum","value":[248,53]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014555,"usec":431181},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056963,"noise_level":-21.125240,"freq_skew":-1.166585,"avlc":{"src":{"addr":"484164","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44735,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[210,225]},{"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":1758014556,"usec":957702},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758149,"noise_level":-20.852167,"freq_skew":0.693177,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":43462,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":11,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[167,239,247,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014556,"usec":958723},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740099,"noise_level":-21.676926,"freq_skew":-3.412044,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"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":64428,"credit":4,"rseq":12,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[173,55,47,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014557,"usec":712771},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536027,"noise_level":-22.011412,"freq_skew":0.769130,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":1758014561,"usec":536939},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923329,"noise_level":-21.015583,"freq_skew":-1.213892,"avlc":{"src":{"addr":"484164","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64466,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[135,110]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014566,"usec":105775},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571280,"noise_level":-19.697208,"freq_skew":0.570359,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":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":10309,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":9,"ack":6,"credit_offered":4,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014566,"usec":863027},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620045,"noise_level":-20.396336,"freq_skew":-3.291031,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014566,"usec":865712},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772778,"noise_level":-21.563723,"freq_skew":-1.150353,"avlc":{"src":{"addr":"484164","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":50.000000,"flags":192,"pdu_id":7462,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64466,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[104,220]},{"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":1758014566,"usec":873590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501658,"noise_level":-22.079361,"freq_skew":-0.716402,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014569,"usec":155655},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593747,"noise_level":-21.349459,"freq_skew":1.655481,"avlc":{"src":{"addr":"3C0ACC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"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":13667,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[21,241,195,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014569,"usec":158228},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800280,"noise_level":-21.931055,"freq_skew":1.887402,"avlc":{"src":{"addr":"3C0ACC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":2,"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":13667,"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":[161,56,213,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014569,"usec":158747},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953192,"noise_level":-22.316599,"freq_skew":0.878670,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":43494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":58,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[156,28,134,1]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":13,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":22,"sec":48}},"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":124.875000,"unit":"MHz"}}}}}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014569,"usec":160520},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578440,"noise_level":-22.305267,"freq_skew":-0.777169,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"GMMN"},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014569,"usec":907671},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595106,"noise_level":-22.226343,"freq_skew":-2.499309,"avlc":{"src":{"addr":"AAA6E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"SKBO"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-6.200000},"alt":29000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014569,"usec":909212},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567853,"noise_level":-22.673080,"freq_skew":0.693700,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"AAA6E4","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":[32,164,136]}],"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":[83,73,84,0,0,1]},{"name":"system_mask","value":["200000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.800000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014569,"usec":910319},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533174,"noise_level":-23.380745,"freq_skew":-0.720526,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CN-ROL","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"AT0221","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014569,"usec":916293},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745031,"noise_level":-23.278791,"freq_skew":1.871782,"avlc":{"src":{"addr":"3C0ACC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":1758014569,"usec":916787},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843449,"noise_level":-23.396610,"freq_skew":-0.672062,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"00400162","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":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,65,77,0,2,0,114,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014569,"usec":917280},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501198,"noise_level":-23.383778,"freq_skew":-2.256909,"avlc":{"src":{"addr":"AAA6E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N786AV","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"AV0027","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014570,"usec":667642},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451446,"noise_level":-24.564060,"freq_skew":-2.499340,"avlc":{"src":{"addr":"AAA6E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_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":"52523344","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":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,65,86,65,0,170,166,228,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014570,"usec":669661},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949549,"noise_level":-25.624369,"freq_skew":0.643010,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"AAA6E4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N786AV","mode":"2","label":"_d","blk_id":"Z","ack":"4","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014570,"usec":674575},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690322,"noise_level":-26.105057,"freq_skew":0.859567,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"AAA6E4","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":"52523344","called_addr":"1116900402899","facilities":[{"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_line_addr_modified","value":[15]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,1,83,73,84,0,89,85,76,0,1,8,0,32,255,186,69,0],"options":[{"name":"atn_datalink_caps","value":[1]},{"name":"mobile_subnet_caps","value":{"permitted_traffic":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"],"supported_atsc_classes":["A"]}}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014571,"usec":428105},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935521,"noise_level":-26.710073,"freq_skew":-0.898061,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014571,"usec":430896},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128661,"noise_level":-26.948658,"freq_skew":-2.180370,"avlc":{"src":{"addr":"AAA6E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014571,"usec":431010},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.163383,"noise_level":-26.948658,"freq_skew":1.298407,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64633,"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":[99,151,10,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014572,"usec":956120},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909046,"noise_level":-26.218170,"freq_skew":0.820785,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":43494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":58,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[156,28,134,1]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":13,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":22,"sec":48}},"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":124.875000,"unit":"MHz"}}}}}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014572,"usec":957086},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600400,"noise_level":-26.165020,"freq_skew":-3.175833,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014572,"usec":957284},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830069,"noise_level":-26.165020,"freq_skew":0.924937,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"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":1758014572,"usec":961533},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850628,"noise_level":-27.150703,"freq_skew":1.192165,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014572,"usec":963248},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781600,"noise_level":-27.752975,"freq_skew":-3.193293,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"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":64428,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[183,50,228,133]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64428,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[140,86,236,253]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":13,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":22,"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":1758014573,"usec":717771},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.311273,"noise_level":-27.522778,"freq_skew":0.818690,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":43502,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":11,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[252,188,42,216]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014573,"usec":718361},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526981,"noise_level":-28.323193,"freq_skew":1.089682,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"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":64512,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[79,90,226,120]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64512,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[228,45,150,164]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":22,"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":1758014574,"usec":485494},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971320,"noise_level":-28.927500,"freq_skew":-3.464536,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014574,"usec":488819},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580917,"noise_level":-29.805489,"freq_skew":1.135037,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014580,"usec":573325},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434494,"noise_level":-26.109318,"freq_skew":-3.165394,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":324,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64428,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[155,7,27,22]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":22,"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":1758014580,"usec":578434},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463957,"noise_level":-25.923510,"freq_skew":0.673198,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":43515,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":11,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[82,137,92,131]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014581,"usec":343336},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740198,"noise_level":-25.520702,"freq_skew":-3.451036,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014582,"usec":99068},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600248,"noise_level":-26.445366,"freq_skew":0.684812,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","type":"Aircraft"},"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":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":43517,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":58,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[238,128,41,110]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":14,"msg_ref":12,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":23,"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":1758014582,"usec":103945},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407689,"noise_level":-26.827240,"freq_skew":-3.466232,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"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":1758014582,"usec":864361},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106189,"noise_level":-27.488358,"freq_skew":0.603663,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":1758014582,"usec":864999},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478300,"noise_level":-27.467813,"freq_skew":-3.324166,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":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":325,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64428,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[13,254,23,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014583,"usec":625630},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542881,"noise_level":-27.553108,"freq_skew":0.997741,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":313,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64512,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[155,10,9,228]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":23,"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":1758014583,"usec":626594},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915760,"noise_level":-28.505615,"freq_skew":0.898138,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":1758014585,"usec":143283},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687493,"noise_level":-27.865482,"freq_skew":1.106308,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014585,"usec":143283},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.687493,"noise_level":-27.865482,"freq_skew":1.106308,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"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":1758014585,"usec":910442},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889562,"noise_level":-27.621937,"freq_skew":0.922748,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"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":64512,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[194,249,221,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014588,"usec":953223},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525221,"noise_level":-27.080322,"freq_skew":0.676886,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"501C2F","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":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"autotune_freq","value":{"freq_mhz":136.975006,"modulation_support":["VDL-M2, D8PSK, 31500 bps"]}},{"name":"replacement_ground_stations","value":["2B2697"]},{"name":"atn_router_nets","value":[83,73,84,0,0,1]},{"name":"system_mask","value":["200000"]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014590,"usec":481510},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284296,"noise_level":-26.203653,"freq_skew":-2.515214,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":1758014591,"usec":238684},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.429711,"noise_level":-25.771057,"freq_skew":-2.665806,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":1758014592,"usec":7371},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.391661,"noise_level":-25.215300,"freq_skew":-2.512959,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":8,"lifetime":50.000000,"flags":192,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":19138,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[48,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014592,"usec":9656},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837450,"noise_level":-25.136488,"freq_skew":2.112805,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014592,"usec":10264},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.890475,"noise_level":-25.120811,"freq_skew":-2.754436,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":22,"dst_ref":19138,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[177,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014592,"usec":762165},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653539,"noise_level":-24.919548,"freq_skew":-1.547608,"avlc":{"src":{"addr":"344218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"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":1758014593,"usec":529469},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.941315,"noise_level":-24.864447,"freq_skew":-2.541717,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014593,"usec":532089},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.549276,"noise_level":-24.743635,"freq_skew":-2.669852,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":23,"dst_ref":19139,"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":[84,66]},{"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":1758014595,"usec":810959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.372189,"noise_level":-23.619820,"freq_skew":-2.656029,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":1758014596,"usec":583361},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.417421,"noise_level":-23.157951,"freq_skew":-0.677191,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","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":1758014600,"usec":382425},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.567017,"noise_level":-21.892826,"freq_skew":-2.921101,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":184,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":19139,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[43,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014600,"usec":389994},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429441,"noise_level":-21.700554,"freq_skew":-1.061355,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":50.000000,"flags":192,"pdu_id":5609,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64592,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[56,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014601,"usec":147819},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.276185,"noise_level":-21.671926,"freq_skew":-2.555821,"avlc":{"src":{"addr":"8964C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":19139,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[39,152]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014601,"usec":916663},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757649,"noise_level":-21.412594,"freq_skew":-0.737856,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014602,"usec":670019},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548764,"noise_level":-21.671984,"freq_skew":0.839392,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"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":1758014602,"usec":678003},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687619,"noise_level":-23.228249,"freq_skew":-2.006176,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"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":1758014603,"usec":436602},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973589,"noise_level":-23.143597,"freq_skew":-2.226755,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014603,"usec":438393},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420422,"noise_level":-23.988001,"freq_skew":0.615484,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":1758014607,"usec":249878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537929,"noise_level":-23.460215,"freq_skew":1.159896,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014608,"usec":1940},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.923550,"noise_level":-24.229897,"freq_skew":1.576828,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"233D25","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014617,"usec":144803},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735520,"noise_level":-20.824125,"freq_skew":-2.083898,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":158,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014617,"usec":905435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632330,"noise_level":-21.398212,"freq_skew":0.602975,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":1758014617,"usec":913737},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690235,"noise_level":-21.397884,"freq_skew":1.595490,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1758014619,"usec":431865},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541319,"noise_level":-21.365526,"freq_skew":1.104956,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":315,"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":1758014620,"usec":189567},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319797,"noise_level":-22.363575,"freq_skew":1.044442,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014622,"usec":483168},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745637,"noise_level":-22.454296,"freq_skew":0.670968,"avlc":{"src":{"addr":"2B3185","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":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"timer_t4","value":[0,2]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[83,73,84,0,0,1]},{"name":"system_mask","value":["200000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.800000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014623,"usec":245534},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659676,"noise_level":-22.669716,"freq_skew":0.580757,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":43565,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":902,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[184,171,42,14]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014624,"usec":766716},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418493,"noise_level":-23.255796,"freq_skew":-2.076602,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"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":64532,"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":[52,11,208,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014624,"usec":777727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586623,"noise_level":-23.843813,"freq_skew":0.632407,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":1758014625,"usec":522733},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594552,"noise_level":-24.878757,"freq_skew":1.128962,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014631,"usec":628862},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.623446,"noise_level":-22.084053,"freq_skew":1.647090,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"233D25","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":5,"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":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014634,"usec":680029},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.520262,"noise_level":-20.956938,"freq_skew":1.871317,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"233D25","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":5,"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":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014636,"usec":968887},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525898,"noise_level":-20.196049,"freq_skew":0.788923,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"347307","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":254,"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":11001,"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":1758014637,"usec":714252},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673432,"noise_level":-21.098368,"freq_skew":1.226172,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":207,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014638,"usec":481525},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785494,"noise_level":-22.073528,"freq_skew":1.319230,"avlc":{"src":{"addr":"347307","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014642,"usec":301637},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.713769,"noise_level":-21.450390,"freq_skew":1.629319,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"233D25","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":5,"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":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014646,"usec":104368},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.467081,"noise_level":-20.217979,"freq_skew":1.970807,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"233D25","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":5,"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":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014650,"usec":682524},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385884,"noise_level":-18.845009,"freq_skew":-1.758866,"avlc":{"src":{"addr":"344218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":15,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014651,"usec":432222},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619223,"noise_level":-18.814644,"freq_skew":2.028692,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"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":64541,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[150,149,64,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014651,"usec":444746},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.019989,"noise_level":-19.671783,"freq_skew":1.595708,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"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":38.000000,"lon":-6.200000},"alt":40000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014652,"usec":195951},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.468676,"noise_level":-19.580265,"freq_skew":1.455778,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PR-ANX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"AD9304","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014652,"usec":195951},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.468676,"noise_level":-19.580265,"freq_skew":1.455778,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"71112361","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,90,85,0,228,148,241,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014652,"usec":203290},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996384,"noise_level":-19.514305,"freq_skew":2.214387,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014652,"usec":962809},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.234992,"noise_level":-20.406605,"freq_skew":1.642442,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014656,"usec":9934},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628826,"noise_level":-20.226210,"freq_skew":-0.666697,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","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":1758014657,"usec":546891},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573266,"noise_level":-21.026936,"freq_skew":0.656550,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MKL","mode":"2","label":"_d","blk_id":"Y","ack":"0","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014657,"usec":555919},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578003,"noise_level":-21.175537,"freq_skew":1.604826,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GOKE","mode":"2","label":"81","blk_id":"0","ack":"!","flight":"TS0384","msg_num":"M31","msg_num_seq":"A","msg_text":"REQ STAND\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014658,"usec":299891},"freq":136975000,"burst_len_octets":135,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719308,"noise_level":-20.940083,"freq_skew":-0.727911,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CC-BGQ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LA8076","msg_num":"F80","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN39117W004447,SOTUK,092410,300,MD460,092810,MD450,M36,02511,238/TS092410,16092527B5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014659,"usec":52749},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529870,"noise_level":-21.502989,"freq_skew":-2.131429,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014661,"usec":337365},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390282,"noise_level":-21.638771,"freq_skew":1.637950,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1758014661,"usec":345549},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782006,"noise_level":-21.953331,"freq_skew":-0.917897,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014662,"usec":99801},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462140,"noise_level":-21.813076,"freq_skew":-0.632125,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","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":1758014666,"usec":674195},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534194,"noise_level":-20.799370,"freq_skew":1.031830,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014667,"usec":433649},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.380755,"noise_level":-21.820030,"freq_skew":1.832126,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","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":87,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64599,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[218,183,198,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014668,"usec":193425},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944655,"noise_level":-21.639828,"freq_skew":-0.759299,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5610,"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":1758014668,"usec":199752},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.648218,"noise_level":-22.540178,"freq_skew":1.683172,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","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":1758014678,"usec":99499},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641653,"noise_level":-19.279892,"freq_skew":1.464756,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1758014682,"usec":670601},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573214,"noise_level":-19.087957,"freq_skew":0.601856,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014683,"usec":435411},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.366499,"noise_level":-19.780022,"freq_skew":-2.321059,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014684,"usec":203376},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669088,"noise_level":-20.709780,"freq_skew":1.048652,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014689,"usec":532197},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.408115,"noise_level":-20.197567,"freq_skew":1.736592,"avlc":{"src":{"addr":"3C0ACC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D0745","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":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":13667,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[21,241,195,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014691,"usec":58631},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545222,"noise_level":-19.646715,"freq_skew":0.981991,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":68,"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":64633,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[49,91,66,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014691,"usec":814275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559337,"noise_level":-20.927124,"freq_skew":-2.576277,"avlc":{"src":{"addr":"AAA6E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014691,"usec":814960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645525,"noise_level":-21.498774,"freq_skew":0.680669,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"AAA6E4","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014692,"usec":577429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.215829,"noise_level":-21.770475,"freq_skew":1.157814,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014693,"usec":338100},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984208,"noise_level":-22.595024,"freq_skew":1.030411,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014696,"usec":388960},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944715,"noise_level":-22.291296,"freq_skew":1.040212,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014696,"usec":393175},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750325,"noise_level":-22.716131,"freq_skew":0.830393,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"347307","type":"Aircraft"},"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":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014697,"usec":908586},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513165,"noise_level":-22.983702,"freq_skew":1.261050,"avlc":{"src":{"addr":"347307","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014704,"usec":6585},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811444,"noise_level":-21.404064,"freq_skew":0.995868,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014705,"usec":529154},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872286,"noise_level":-21.936283,"freq_skew":1.005363,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":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":316,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64512,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[194,249,221,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014707,"usec":57363},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.171714,"noise_level":-22.453348,"freq_skew":0.937403,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014708,"usec":575444},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791548,"noise_level":-24.436304,"freq_skew":1.975816,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"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":1758014710,"usec":102354},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634240,"noise_level":-23.714420,"freq_skew":-1.536289,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"SKBO"},{"name":"ac_location","value":{"loc":{"lat":42.400002,"lon":-8.400001},"alt":39000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014710,"usec":102764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903477,"noise_level":-24.608246,"freq_skew":1.167056,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014710,"usec":113949},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967452,"noise_level":-25.446602,"freq_skew":-1.399167,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N791AV","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"AV0229","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014710,"usec":859758},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739697,"noise_level":-25.380814,"freq_skew":-1.479973,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","type":"Ground station"},"cr":"Command","frame_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":"52535720","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":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,65,86,65,0,170,187,208,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014711,"usec":624288},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586505,"noise_level":-24.986443,"freq_skew":0.842805,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":374,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":16,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014711,"usec":626616},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063825,"noise_level":-24.879152,"freq_skew":-1.304610,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014714,"usec":673523},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844282,"noise_level":-23.915720,"freq_skew":-1.712094,"avlc":{"src":{"addr":"344218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014727,"usec":633950},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983699,"noise_level":-19.813845,"freq_skew":1.874184,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","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":1758014728,"usec":393916},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699316,"noise_level":-19.680342,"freq_skew":-0.943314,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014738,"usec":292175},"freq":136975000,"burst_len_octets":226,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789171,"noise_level":-17.262461,"freq_skew":-1.490774,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N791AV","mode":"2","label":"83","blk_id":"7","ack":"!","flight":"AV0229","msg_num":"M79","msg_num_seq":"A","msg_text":"3N01 POSRPT 0229/LFPG/SKBO .N791AV/03A09:25\r\n/WPY AGADO/NWYP GUNTI /HDG ******/MCH .85\r\n/POS N42213 W008265/FL 39000/TAS 486/SAT - 58\r\n/SWND 14/DWND - 11/FOB 46800/ETA 1806"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014741,"usec":338929},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950329,"noise_level":-17.564371,"freq_skew":-1.410665,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64538,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[67,114]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014742,"usec":108184},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095778,"noise_level":-18.930901,"freq_skew":-1.338721,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1758014746,"usec":673990},"freq":136975000,"burst_len_octets":150,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086125,"noise_level":-18.893978,"freq_skew":1.501351,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PR-ANX","mode":"2","label":"80","blk_id":"4","ack":"!","flight":"AD9304","msg_num":"M52","msg_num_seq":"A","msg_text":"3N02 POSRPT 9304/15 SBKP/LEMD .PR-ANX\r\n/POS N38126W006042/WP PARKA/ALT 40002/MCH 0820/FOB 11555/ETA 0958"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014749,"usec":723693},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.498836,"noise_level":-18.112946,"freq_skew":1.571705,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","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":1758014751,"usec":250060},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.174611,"noise_level":-18.369188,"freq_skew":1.200769,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"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":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014760,"usec":385979},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619015,"noise_level":-17.480967,"freq_skew":0.593802,"avlc":{"src":{"addr":"2B3185","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":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"timer_t4","value":[0,2]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[83,73,84,0,0,1]},{"name":"system_mask","value":["200000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.800000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014765,"usec":721275},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566279,"noise_level":-17.612307,"freq_skew":-0.938406,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5611,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64592,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[56,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014766,"usec":481363},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649864,"noise_level":-18.563288,"freq_skew":0.774559,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014766,"usec":481786},"freq":136975000,"burst_len_octets":163,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737191,"noise_level":-19.391972,"freq_skew":-2.302399,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MKL","mode":"2","label":"80","blk_id":"1","ack":"!","flight":"UX7302","msg_num":"M33","msg_num_seq":"A","msg_text":"3D01 RMPSRV 7302/16 LEMD/LEVX .EC-MKL\r\n/LAV N/CAB N/MEDA N/SEC N/WCHR /UMNR /MAAS N\r\nETA 0945Z\r\nFUEL UX7315 5700KG"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014766,"usec":490570},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672431,"noise_level":-20.493641,"freq_skew":0.667920,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-MKL","mode":"2","label":"_d","blk_id":"Z","ack":"1","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014767,"usec":246021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.246088,"noise_level":-21.500629,"freq_skew":-1.128634,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014767,"usec":246139},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.263856,"noise_level":-22.548199,"freq_skew":1.740659,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","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":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014768,"usec":4058},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505416,"noise_level":-22.318321,"freq_skew":-2.252950,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014768,"usec":6933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594924,"noise_level":-22.780567,"freq_skew":1.888090,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014769,"usec":533794},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882212,"noise_level":-22.303421,"freq_skew":0.967234,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014771,"usec":53112},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513512,"noise_level":-23.206015,"freq_skew":2.199082,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"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":64541,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[150,149,64,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014774,"usec":102358},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692397,"noise_level":-21.956091,"freq_skew":2.066365,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"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":64541,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[150,149,64,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014776,"usec":391102},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887126,"noise_level":-21.206072,"freq_skew":2.180371,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014782,"usec":480815},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077755,"noise_level":-19.320604,"freq_skew":-0.882673,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014784,"usec":6230},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542796,"noise_level":-20.741510,"freq_skew":1.154186,"avlc":{"src":{"addr":"347307","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":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":5295,"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":1758014784,"usec":8057},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770019,"noise_level":-21.876606,"freq_skew":-1.602089,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44753,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[120,42]},{"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":1758014784,"usec":773436},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161016,"noise_level":-22.300888,"freq_skew":0.708622,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"347307","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":1758014787,"usec":65516},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862054,"noise_level":-21.388306,"freq_skew":1.559311,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","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":66,"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":64599,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[218,183,198,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014788,"usec":576823},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580459,"noise_level":-21.068153,"freq_skew":1.469265,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"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":42.000000,"lon":-6.800000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014789,"usec":338102},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687008,"noise_level":-21.948498,"freq_skew":1.600163,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":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":12,"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":1758014790,"usec":111961},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727070,"noise_level":-22.519455,"freq_skew":1.751025,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GOKE","mode":"2","label":"_d","blk_id":"1","ack":"E","flight":"TS0384","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014790,"usec":858819},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.318120,"noise_level":-23.296106,"freq_skew":1.432545,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GOKE","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"TS0384","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014790,"usec":871799},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580457,"noise_level":-23.949772,"freq_skew":3.352242,"avlc":{"src":{"addr":"408166","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":40.600002,"lon":-4.700000},"alt":22000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014791,"usec":631497},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844442,"noise_level":-24.057182,"freq_skew":-0.604956,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29DA25","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":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":31,"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":1758014792,"usec":390551},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486332,"noise_level":-23.906075,"freq_skew":3.604525,"avlc":{"src":{"addr":"408166","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-PAMH","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"GS0009","msg_num":"M15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014792,"usec":391276},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599353,"noise_level":-24.930918,"freq_skew":3.596185,"avlc":{"src":{"addr":"408166","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100546","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":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,71,68,67,0,64,129,102,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014793,"usec":157517},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606189,"noise_level":-24.352768,"freq_skew":0.798094,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":43852,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":902,"credit":10,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[184,171,42,14]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014793,"usec":911565},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460361,"noise_level":-24.766510,"freq_skew":-0.876351,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014793,"usec":911714},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.211020,"noise_level":-24.766510,"freq_skew":1.708948,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","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":1758014793,"usec":914962},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872249,"noise_level":-25.015814,"freq_skew":3.336397,"avlc":{"src":{"addr":"408166","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014793,"usec":917215},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639439,"noise_level":-25.476706,"freq_skew":-2.120161,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"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":64532,"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":[52,11,208,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014794,"usec":683946},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474241,"noise_level":-25.397120,"freq_skew":0.860679,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":1758014796,"usec":192750},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510148,"noise_level":-24.848883,"freq_skew":1.466031,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"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":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-6.800000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014796,"usec":198858},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769227,"noise_level":-25.084576,"freq_skew":0.763049,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"AAA6E4","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":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":12399,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":5,"credit_offered":4,"credit_avail":5}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014796,"usec":963053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656626,"noise_level":-25.425613,"freq_skew":-2.593752,"avlc":{"src":{"addr":"AAA6E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014800,"usec":769500},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610189,"noise_level":-23.629511,"freq_skew":0.595199,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":12474,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":4,"credit_avail":32}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014801,"usec":536917},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.410988,"noise_level":-23.667440,"freq_skew":-2.192813,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014803,"usec":829276},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496634,"noise_level":-23.408499,"freq_skew":1.457665,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"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":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":42.000000,"lon":-6.800000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014804,"usec":587285},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628584,"noise_level":-23.394051,"freq_skew":1.703466,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GOKE","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"TS0384","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014804,"usec":587285},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.628584,"noise_level":-23.394051,"freq_skew":1.703466,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"60065251","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,83,67,0,192,106,169,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014806,"usec":101802},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176187,"noise_level":-22.870895,"freq_skew":1.514928,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014809,"usec":913716},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668086,"noise_level":-22.295704,"freq_skew":1.865822,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":139,"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":1758014810,"usec":669476},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648082,"noise_level":-22.705133,"freq_skew":-0.689143,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":39.400002,"lon":-4.400000},"alt":23000}},{"name":"alternate_ground_stations","value":["26BA85","23CB05","2B3185","23A445","233D25"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014811,"usec":438239},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781504,"noise_level":-23.361450,"freq_skew":-0.645790,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CC-BGQ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LA8076","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014811,"usec":438239},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.781504,"noise_level":-23.361450,"freq_skew":-0.645790,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_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":"72002154","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":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,76,65,78,0,232,4,108,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014811,"usec":446050},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532918,"noise_level":-23.234478,"freq_skew":1.046991,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"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":64633,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[49,91,66,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014812,"usec":204263},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605381,"noise_level":-23.796692,"freq_skew":2.133978,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":139,"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":1758014812,"usec":955060},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840213,"noise_level":-24.812029,"freq_skew":-0.816947,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014812,"usec":958258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625142,"noise_level":-25.030325,"freq_skew":0.971437,"avlc":{"src":{"addr":"4076B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014816,"usec":5008},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.174558,"noise_level":-24.625477,"freq_skew":-1.433355,"avlc":{"src":{"addr":"344218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014816,"usec":5796},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565293,"noise_level":-24.595940,"freq_skew":-0.918151,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014820,"usec":577620},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748725,"noise_level":-23.060389,"freq_skew":-1.666466,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64538,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[56,123]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014821,"usec":342765},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952120,"noise_level":-23.007298,"freq_skew":-1.327107,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64538,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[209,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":27,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014822,"usec":859704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.264346,"noise_level":-23.134459,"freq_skew":-1.513501,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1758014824,"usec":387501},"freq":136975000,"burst_len_octets":225,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587566,"noise_level":-22.474812,"freq_skew":-2.388678,"avlc":{"src":{"addr":"AAA6E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N786AV","mode":"2","label":"83","blk_id":"5","ack":"!","flight":"AV0027","msg_num":"M63","msg_num_seq":"A","msg_text":"3N01 POSRPT 0027/LEMD/SKBO .N786AV/03A09:27\r\n/WPY ERPES/NWYP LENSI /HDG -90.31/MCH .85\r\n/POS N40361 W006589/FL 32008/TAS 504/SAT - 41\r\n/SWND 10/DWND 46/FOB 50000/ETA 1809"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014824,"usec":391813},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696798,"noise_level":-22.688728,"freq_skew":0.592657,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"AAA6E4","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N786AV","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014825,"usec":907001},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683893,"noise_level":-22.250166,"freq_skew":-2.696623,"avlc":{"src":{"addr":"AAA6E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014825,"usec":910134},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652597,"noise_level":-22.866615,"freq_skew":0.756176,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"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":64512,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[194,249,221,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014826,"usec":685429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678843,"noise_level":-22.591211,"freq_skew":0.680646,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014828,"usec":201622},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081593,"noise_level":-23.199842,"freq_skew":-1.611188,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":443,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64538,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[179,79]}]}],"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":9,"day":16},"time":{"hour":9,"min":27,"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":1758014829,"usec":719489},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748527,"noise_level":-23.160410,"freq_skew":-1.684588,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":44753,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[2,91]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":27,"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":1758014829,"usec":728228},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989123,"noise_level":-22.938309,"freq_skew":-1.611248,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":445,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":5,"dst_ref":64538,"variable_part_params":[{"name":"checksum","value":[189,150]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014830,"usec":484220},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855812,"noise_level":-23.484869,"freq_skew":-3.669530,"avlc":{"src":{"addr":"44CDC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"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":"EBBR"},{"name":"ac_location","value":{"loc":{"lat":43.200001,"lon":-3.600000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014830,"usec":484688},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547573,"noise_level":-24.595455,"freq_skew":1.857963,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"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":44.000000,"lon":-4.300000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014830,"usec":484829},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925125,"noise_level":-24.595455,"freq_skew":-1.383017,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44753,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[138,195]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014831,"usec":241943},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679681,"noise_level":-25.332376,"freq_skew":1.990082,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SNK","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"SN04WV","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014831,"usec":243213},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759349,"noise_level":-26.234032,"freq_skew":-3.797112,"avlc":{"src":{"addr":"44CDC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SNE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SN08CZ","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014831,"usec":243213},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.759349,"noise_level":-26.234032,"freq_skew":-3.797112,"avlc":{"src":{"addr":"44CDC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21146705","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,69,76,0,68,205,197,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014831,"usec":243832},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416664,"noise_level":-27.259697,"freq_skew":1.982843,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21146713","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,69,76,0,68,205,203,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014832,"usec":11830},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732870,"noise_level":-26.772713,"freq_skew":-1.546225,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44753,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[134,198]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014832,"usec":13564},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817975,"noise_level":-26.697269,"freq_skew":-1.436168,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44753,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[130,201]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014832,"usec":15000},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462481,"noise_level":-26.622475,"freq_skew":1.767039,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SNK","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"SN04WV","msg_num":"S15","msg_num_seq":"A","msg_text":"0EV092710VH","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":9,"min":27,"sec":10}},"links_avail":[{"code":"V","descr":"VHF ACARS"},{"code":"H","descr":"HF"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014832,"usec":15883},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789228,"noise_level":-26.585316,"freq_skew":1.764950,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014832,"usec":767150},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458914,"noise_level":-27.429430,"freq_skew":-3.719311,"avlc":{"src":{"addr":"44CDC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014832,"usec":772679},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774439,"noise_level":-27.307701,"freq_skew":-1.613288,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":44753,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[171,104]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":27,"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":1758014832,"usec":779876},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646800,"noise_level":-27.148003,"freq_skew":1.991220,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014833,"usec":526637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485370,"noise_level":-27.980316,"freq_skew":-0.660746,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014833,"usec":538019},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925530,"noise_level":-27.493530,"freq_skew":2.035744,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014834,"usec":288747},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101467,"noise_level":-27.391222,"freq_skew":-1.348473,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1758014834,"usec":290514},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609226,"noise_level":-27.290104,"freq_skew":-1.690504,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":44753,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[95,179]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":27,"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":1758014835,"usec":813736},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895139,"noise_level":-26.429420,"freq_skew":-1.493521,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1758014836,"usec":575026},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468022,"noise_level":-25.916779,"freq_skew":1.897002,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":66,"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":39769,"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":[124,210,176,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014843,"usec":435328},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414631,"noise_level":-23.285286,"freq_skew":0.892691,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"347307","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014844,"usec":955596},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452614,"noise_level":-23.131571,"freq_skew":1.226484,"avlc":{"src":{"addr":"347307","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014849,"usec":538056},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968454,"noise_level":-21.186626,"freq_skew":1.849646,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","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":1758014849,"usec":541020},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.372041,"noise_level":-21.146887,"freq_skew":1.980462,"avlc":{"src":{"addr":"3C0ACC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2610A5","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014850,"usec":299149},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878963,"noise_level":-20.941185,"freq_skew":1.431003,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014852,"usec":579857},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495447,"noise_level":-21.480482,"freq_skew":-2.560579,"avlc":{"src":{"addr":"AAA6E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":490,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":6,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014852,"usec":587635},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.132979,"noise_level":-22.237474,"freq_skew":-0.972816,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014853,"usec":341007},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.218694,"noise_level":-22.092594,"freq_skew":0.595788,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"AAA6E4","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":1758014855,"usec":625399},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538115,"noise_level":-21.847990,"freq_skew":0.857450,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"AAA6E4","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":254,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014856,"usec":394309},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389831,"noise_level":-22.437016,"freq_skew":-2.715930,"avlc":{"src":{"addr":"AAA6E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014860,"usec":205708},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364810,"noise_level":-20.960102,"freq_skew":-2.254534,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014860,"usec":208673},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477808,"noise_level":-21.508526,"freq_skew":0.655340,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","type":"Aircraft"},"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":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014860,"usec":963211},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579303,"noise_level":-22.362381,"freq_skew":0.833546,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":1758014861,"usec":732264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903929,"noise_level":-22.458370,"freq_skew":-1.981349,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":1758014864,"usec":11926},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.475748,"noise_level":-22.528534,"freq_skew":1.768396,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-WUKX","mode":"2","label":"17","blk_id":"0","ack":"!","flight":"W901SB","msg_num":"M12","msg_num_seq":"A","msg_text":"092736,37002,1023, 10440,N 42.951,W 6.547,16SEP25,32901, 34,- 55"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014867,"usec":823676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757193,"noise_level":-21.620853,"freq_skew":1.924701,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014869,"usec":341971},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555777,"noise_level":-20.907717,"freq_skew":-0.237708,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[38]},{"name":"dst_airport","value":"LEZL"},{"name":"ac_location","value":{"loc":{"lat":44.799999,"lon":-3.900000},"alt":44000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014874,"usec":671128},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118722,"noise_level":-21.192064,"freq_skew":-1.622184,"avlc":{"src":{"addr":"344218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"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":1758014877,"usec":740275},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825702,"noise_level":-19.976042,"freq_skew":-1.724992,"avlc":{"src":{"addr":"344218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"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":1758014878,"usec":479624},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.459665,"noise_level":-19.932840,"freq_skew":-0.170591,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[38]},{"name":"dst_airport","value":"LEZL"},{"name":"ac_location","value":{"loc":{"lat":44.799999,"lon":-3.900000},"alt":44000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014879,"usec":253722},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063478,"noise_level":-19.586454,"freq_skew":-1.370967,"avlc":{"src":{"addr":"344218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014885,"usec":346990},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720002,"noise_level":-18.014910,"freq_skew":0.738900,"avlc":{"src":{"addr":"2B3185","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":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"timer_t4","value":[0,2]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[83,73,84,0,0,1]},{"name":"system_mask","value":["200000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.800000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014886,"usec":108881},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889860,"noise_level":-18.956144,"freq_skew":0.529411,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014886,"usec":860776},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017825,"noise_level":-20.392559,"freq_skew":-0.289674,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[38]},{"name":"dst_airport","value":"LEZL"},{"name":"ac_location","value":{"loc":{"lat":44.799999,"lon":-3.900000},"alt":44000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014887,"usec":626609},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506655,"noise_level":-21.153648,"freq_skew":1.890268,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64612,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[242,77,121,181]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014888,"usec":382941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837464,"noise_level":-20.861036,"freq_skew":1.835582,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014889,"usec":155971},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074405,"noise_level":-21.374138,"freq_skew":0.629614,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014889,"usec":916501},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574256,"noise_level":-22.831411,"freq_skew":-0.736248,"avlc":{"src":{"addr":"E8046C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014890,"usec":669310},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605060,"noise_level":-22.512438,"freq_skew":3.244029,"avlc":{"src":{"addr":"408166","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014891,"usec":435097},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387783,"noise_level":-22.204762,"freq_skew":1.977056,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64541,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[150,149,64,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014892,"usec":202129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007534,"noise_level":-21.725605,"freq_skew":1.858196,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014893,"usec":723692},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850500,"noise_level":-21.664257,"freq_skew":1.803952,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014894,"usec":483651},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533388,"noise_level":-22.017284,"freq_skew":2.042631,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":66,"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":39769,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[239,64,130,168]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":39769,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[54,228,162,112]}]}],"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":1758014894,"usec":483651},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.533388,"noise_level":-22.017284,"freq_skew":2.042631,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":20.000000,"flags":246,"pdu_id":232,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64612,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[55,32,114,253]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":28,"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":1758014894,"usec":484244},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472743,"noise_level":-23.143587,"freq_skew":-1.086295,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5612,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64592,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[52,75]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014894,"usec":494080},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381444,"noise_level":-22.970686,"freq_skew":-1.002028,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5613,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64592,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[202,106]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":28,"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":1758014895,"usec":242870},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863205,"noise_level":-22.861326,"freq_skew":-0.130800,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_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":1},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"avlc_specific_options","value":[38]},{"name":"dst_airport","value":"LEZL"},{"name":"ac_location","value":{"loc":{"lat":44.799999,"lon":-3.900000},"alt":44000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014895,"usec":244291},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476125,"noise_level":-22.801159,"freq_skew":2.048731,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014895,"usec":244291},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.476125,"noise_level":-22.801159,"freq_skew":2.048731,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"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":1758014895,"usec":244291},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.476125,"noise_level":-22.801159,"freq_skew":2.048731,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":58,"dst_ref":39769,"variable_part_params":[{"name":"atn_checksum","value":[187,79,102,92]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014895,"usec":250970},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898458,"noise_level":-23.247051,"freq_skew":-0.198978,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":4,"chan_num":4,"calling_addr":"22352410","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,65,65,78,0,73,213,8,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014896,"usec":8188},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.305577,"noise_level":-23.481438,"freq_skew":1.955142,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"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":64612,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[102,236,116,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014896,"usec":13443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978958,"noise_level":-23.429718,"freq_skew":-1.106111,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014896,"usec":775851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728702,"noise_level":-23.051331,"freq_skew":2.043107,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014897,"usec":532546},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433990,"noise_level":-23.091721,"freq_skew":0.666333,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"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":1758014897,"usec":533919},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547912,"noise_level":-24.313517,"freq_skew":-1.592285,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":1758014897,"usec":549401},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429294,"noise_level":-24.619434,"freq_skew":1.956012,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"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":64612,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[187,185,166,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014899,"usec":829846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893651,"noise_level":-23.523621,"freq_skew":-0.217393,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014900,"usec":573881},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484529,"noise_level":-24.036903,"freq_skew":0.877622,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":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":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":66,"dst_ref":44784,"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":[37,206,34,113]}]}],"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":1758014902,"usec":867953},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598108,"noise_level":-23.561058,"freq_skew":1.835856,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":0,"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":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014902,"usec":879195},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550466,"noise_level":-24.421377,"freq_skew":0.894266,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":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":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":66,"dst_ref":44784,"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":[37,206,34,113]}]}],"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":1758014903,"usec":636689},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.342356,"noise_level":-25.089569,"freq_skew":0.661061,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":3,"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":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":44784,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[160,102,164,3]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":28,"sec":18}},"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":1758014903,"usec":637253},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257150,"noise_level":-25.089569,"freq_skew":-1.179785,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5614,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64592,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[25,184]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":28,"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":1758014903,"usec":637834},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554395,"noise_level":-25.073977,"freq_skew":1.757012,"avlc":{"src":{"addr":"44CDCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014903,"usec":638433},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918704,"noise_level":-25.058413,"freq_skew":-0.275539,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014904,"usec":393777},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852957,"noise_level":-24.692997,"freq_skew":0.629510,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"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":1758014905,"usec":151872},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.347786,"noise_level":-25.554583,"freq_skew":0.660003,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44784,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[72,99,55,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014905,"usec":153488},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659250,"noise_level":-25.952995,"freq_skew":-1.104209,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014905,"usec":905274},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531760,"noise_level":-26.262314,"freq_skew":-1.038703,"avlc":{"src":{"addr":"020072","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5615,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64592,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[41,84]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014906,"usec":679239},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528591,"noise_level":-25.493555,"freq_skew":2.049344,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"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":1758014906,"usec":679239},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.528591,"noise_level":-25.493555,"freq_skew":2.049344,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"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":64541,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[235,98,114,17]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64541,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[122,177,23,99]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":9,"day":16},"time":{"hour":9,"min":28,"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":1758014907,"usec":436007},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584555,"noise_level":-26.109802,"freq_skew":1.831472,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","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":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":64599,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[218,183,198,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014907,"usec":445231},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.315961,"noise_level":-25.850441,"freq_skew":0.938828,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44784,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[72,99,55,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014908,"usec":193008},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032944,"noise_level":-26.889822,"freq_skew":1.819349,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014908,"usec":196038},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784798,"noise_level":-26.681145,"freq_skew":1.733929,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014908,"usec":196358},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925322,"noise_level":-26.662418,"freq_skew":1.766758,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"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":1758014908,"usec":197018},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562946,"noise_level":-27.498310,"freq_skew":1.975215,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":54,"dst_ref":44785,"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":[46,75,177,194]}]}],"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":1758014908,"usec":960196},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.232911,"noise_level":-27.375618,"freq_skew":-0.285001,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014909,"usec":724978},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733449,"noise_level":-26.599178,"freq_skew":1.847017,"avlc":{"src":{"addr":"407FDA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014909,"usec":725779},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541958,"noise_level":-27.648396,"freq_skew":3.537364,"avlc":{"src":{"addr":"408166","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":50.000000,"flags":192,"pdu_id":7,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":7,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014910,"usec":479821},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593693,"noise_level":-27.441357,"freq_skew":1.413846,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014911,"usec":240216},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.410961,"noise_level":-26.848295,"freq_skew":0.644482,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44784,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[72,99,55,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014912,"usec":6272},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945685,"noise_level":-27.275713,"freq_skew":1.609343,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014913,"usec":531946},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604564,"noise_level":-25.973330,"freq_skew":1.478617,"avlc":{"src":{"addr":"C06AA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":1758014914,"usec":296382},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704789,"noise_level":-25.899714,"freq_skew":-0.091132,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014914,"usec":303010},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343405,"noise_level":-25.825573,"freq_skew":0.640977,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44784,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[72,99,55,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014915,"usec":54837},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898757,"noise_level":-26.015392,"freq_skew":0.641525,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"347307","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":13545,"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":1758014915,"usec":818207},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469303,"noise_level":-26.059563,"freq_skew":1.123834,"avlc":{"src":{"addr":"347307","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014916,"usec":581363},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786161,"noise_level":-25.600742,"freq_skew":-2.188651,"avlc":{"src":{"addr":"345218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":161,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014917,"usec":344297},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981857,"noise_level":-26.116314,"freq_skew":0.742405,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"345218","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":1758014918,"usec":864112},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525243,"noise_level":-25.965855,"freq_skew":0.851394,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44784,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[72,99,55,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014918,"usec":873569},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446707,"noise_level":-26.915607,"freq_skew":0.698027,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":318,"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":1758014924,"usec":196342},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873810,"noise_level":-25.060448,"freq_skew":-3.829829,"avlc":{"src":{"addr":"44CDC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64426,"credit":5,"rseq":19,"variable_part_params":[{"name":"atn_checksum","value":[22,247,245,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014924,"usec":203382},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762578,"noise_level":-25.722008,"freq_skew":-0.223410,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212625","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":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LEZL"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014924,"usec":203973},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740029,"noise_level":-25.722008,"freq_skew":-0.322296,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212625","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":4,"chan_num":5,"calling_addr":"22352410","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,65,65,78,0,73,213,8,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014924,"usec":205779},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310336,"noise_level":-25.638485,"freq_skew":0.603690,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44784,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[72,99,55,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014924,"usec":964929},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968566,"noise_level":-26.266882,"freq_skew":-0.220666,"avlc":{"src":{"addr":"49D508","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212625","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014926,"usec":482090},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889616,"noise_level":-25.679558,"freq_skew":0.468647,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":59,"dst_ref":64670,"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":[1]},{"name":"calling_transport_selector","value":[99,109]},{"name":"priority","value":6},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[7,122,227,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014926,"usec":487114},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686502,"noise_level":-26.682558,"freq_skew":-3.950050,"avlc":{"src":{"addr":"44CDC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64426,"credit":5,"rseq":19,"variable_part_params":[{"name":"atn_checksum","value":[22,247,245,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014927,"usec":246851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858818,"noise_level":-26.968746,"freq_skew":0.608010,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014927,"usec":247819},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563895,"noise_level":-27.911564,"freq_skew":-1.872947,"avlc":{"src":{"addr":"AABBD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298E25","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44753,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[119,36]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014928,"usec":772808},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811826,"noise_level":-26.798214,"freq_skew":1.579871,"avlc":{"src":{"addr":"E494F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"23A445","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":90,"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":1758014929,"usec":536505},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770829,"noise_level":-26.246164,"freq_skew":-3.783206,"avlc":{"src":{"addr":"44CDC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64426,"credit":5,"rseq":19,"variable_part_params":[{"name":"atn_checksum","value":[22,247,245,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014930,"usec":296947},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543096,"noise_level":-26.567764,"freq_skew":0.423686,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"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":1758014930,"usec":296947},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.543096,"noise_level":-26.567764,"freq_skew":0.423686,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":8,"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":64670,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[236,232,186,221]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014930,"usec":302612},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524240,"noise_level":-26.859947,"freq_skew":0.532378,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,84,82,65,0,72,102,223,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,66,68,88,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":321,"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":60,"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":[84,144]},{"name":"atn_checksum","value":[155,168,101,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014931,"usec":52353},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526834,"noise_level":-27.824677,"freq_skew":0.756154,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"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":42.200001,"lon":-6.200000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014931,"usec":53399},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680700,"noise_level":-27.760765,"freq_skew":0.698828,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"44D071","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":[32,164,136]}],"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":[83,73,84,0,0,1]},{"name":"system_mask","value":["200000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.800000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014931,"usec":59813},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540096,"noise_level":-27.836887,"freq_skew":0.856601,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-TCQ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SN05KF","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014931,"usec":59813},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.540096,"noise_level":-27.836887,"freq_skew":0.856601,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21150161","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,69,76,0,68,208,113,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014931,"usec":815431},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467184,"noise_level":-28.126320,"freq_skew":0.559978,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014933,"usec":345975},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677363,"noise_level":-27.441628,"freq_skew":-3.870451,"avlc":{"src":{"addr":"44CDC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64426,"credit":5,"rseq":19,"variable_part_params":[{"name":"atn_checksum","value":[22,247,245,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014934,"usec":104052},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681693,"noise_level":-27.703392,"freq_skew":0.700328,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-TCQ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SN05KF","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014934,"usec":107228},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664279,"noise_level":-28.604111,"freq_skew":0.882646,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21150161","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,69,76,0,68,208,113,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014934,"usec":867377},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817608,"noise_level":-28.990519,"freq_skew":0.624821,"avlc":{"src":{"addr":"2B3185","type":"Ground station","status":"On ground"},"dst":{"addr":"44D071","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":1758014934,"usec":870318},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543269,"noise_level":-28.773182,"freq_skew":0.789188,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-TCQ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SN05KF","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014935,"usec":622901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024596,"noise_level":-28.107710,"freq_skew":0.684207,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014935,"usec":624579},"freq":136975000,"burst_len_octets":183,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628009,"noise_level":-29.193422,"freq_skew":0.506150,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"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":4046,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[204,15,96,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014935,"usec":624579},"freq":136975000,"burst_len_octets":183,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.628009,"noise_level":-29.193422,"freq_skew":0.506150,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":323,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":4046,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[120,111,215,3]}]}],"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":[1,3,27,1,4744927,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"TRA75A","long_tsap":{"rdp":[65,84,82,65,0],"short_tsap":{"ars":[72,102,223],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":0,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,84,82,65,0],"short_tsap":{"ars":[72,102,223],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,0]}}}}}},{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,84,82,65,0],"short_tsap":{"ars":[72,102,223],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}},{"ae_qualifier_version_address":{"ae_qualifier":22,"version":2,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,84,82,65,0],"short_tsap":{"ars":[72,102,223],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"LEZL","destination_airport":"EHAM"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014936,"usec":389450},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782845,"noise_level":-29.859209,"freq_skew":0.470271,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"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":1758014936,"usec":391168},"freq":136975000,"burst_len_octets":115,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358043,"noise_level":-29.805325,"freq_skew":0.695711,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":324,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":4046,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[64,174,91,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014936,"usec":391168},"freq":136975000,"burst_len_octets":115,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.358043,"noise_level":-29.805325,"freq_skew":0.695711,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":325,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":60,"dst_ref":4046,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[51,114,125,195]}],"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":1758014936,"usec":391168},"freq":136975000,"burst_len_octets":115,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.358043,"noise_level":-29.805325,"freq_skew":0.695711,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":true,"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":8,"lifetime":20.000000,"flags":246,"pdu_id":326,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":64670,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[98,181,218,155]}]}],"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":1758014937,"usec":149497},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.380504,"noise_level":-29.233675,"freq_skew":0.380360,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"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":1758014937,"usec":149497},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.380504,"noise_level":-29.233675,"freq_skew":0.380360,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014937,"usec":149497},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.380504,"noise_level":-29.233675,"freq_skew":0.380360,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":327,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":64670,"variable_part_params":[{"name":"atn_checksum","value":[20,94,160,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014937,"usec":155584},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509539,"noise_level":-30.175135,"freq_skew":0.911031,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-TCQ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SN05KF","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014937,"usec":913679},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874647,"noise_level":-31.084492,"freq_skew":-3.930587,"avlc":{"src":{"addr":"44CDC5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","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":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64426,"credit":5,"rseq":19,"variable_part_params":[{"name":"atn_checksum","value":[22,247,245,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014938,"usec":681364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059491,"noise_level":-29.759398,"freq_skew":0.839325,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014942,"usec":480282},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549299,"noise_level":-27.168327,"freq_skew":0.688630,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-TCQ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SN05KF","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014943,"usec":247884},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782883,"noise_level":-27.274662,"freq_skew":0.562791,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014945,"usec":530454},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510950,"noise_level":-25.717075,"freq_skew":0.575149,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"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":64512,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[194,249,221,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014946,"usec":297674},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882274,"noise_level":-25.540352,"freq_skew":0.499439,"avlc":{"src":{"addr":"4866DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3D45","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":1758014947,"usec":57700},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580538,"noise_level":-26.055853,"freq_skew":0.779493,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B3185","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-TCQ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SN05KF","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1758014947,"usec":825071},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886085,"noise_level":-25.384750,"freq_skew":0.615732,"avlc":{"src":{"addr":"44D071","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27D885","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}