{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512175,"usec":165343},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.278502,"noise_level":-9.386434,"freq_skew":0.743683,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD3D","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":1773512175,"usec":168829},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727358,"noise_level":-11.941209,"freq_skew":1.612743,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12992,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[202,151,119,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512175,"usec":928048},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705689,"noise_level":-12.944036,"freq_skew":1.163031,"avlc":{"src":{"addr":"440057","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52267,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[103,97,207,80]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512175,"usec":933757},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386039,"noise_level":-13.794321,"freq_skew":0.741524,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD3D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512176,"usec":693498},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531403,"noise_level":-14.870123,"freq_skew":1.558479,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":41.200001,"lon":-8.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512176,"usec":694727},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520697,"noise_level":-15.323758,"freq_skew":1.007925,"avlc":{"src":{"addr":"440B1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":62,"dst_ref":52297,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[156,80,49,197]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512176,"usec":700153},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062387,"noise_level":-16.591623,"freq_skew":3.394855,"avlc":{"src":{"addr":"40643B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":105,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60674,"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":[156,10,203,154]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512177,"usec":448340},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.243846,"noise_level":-17.203629,"freq_skew":0.585082,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440B1E","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":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":30036,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[139,247,81,251]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":218400},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375726,"noise_level":-17.976667,"freq_skew":0.681914,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406E66","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":61029,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":65,"credit":10,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[179,74,169,128]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":218578},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167818,"noise_level":-17.976667,"freq_skew":2.100148,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13131,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[248,82]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":220208},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961371,"noise_level":-18.439785,"freq_skew":1.112166,"avlc":{"src":{"addr":"440B1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":225689},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139010,"noise_level":-19.671089,"freq_skew":0.440830,"avlc":{"src":{"addr":"4CAFCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60630,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[250,124,167,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":227608},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614212,"noise_level":-19.671089,"freq_skew":1.076544,"avlc":{"src":{"addr":"406E66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":591,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60574,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[176,193,161,38]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":232330},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.374958,"noise_level":-20.805210,"freq_skew":0.662533,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD3D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":976089},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549784,"noise_level":-21.087065,"freq_skew":1.411625,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12992,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[202,151,119,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":976938},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937770,"noise_level":-21.057583,"freq_skew":2.074896,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":13131,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[160,192]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":977891},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677930,"noise_level":-21.028198,"freq_skew":1.262455,"avlc":{"src":{"addr":"440057","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52267,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[103,97,207,80]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":979546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704197,"noise_level":-21.621994,"freq_skew":0.743294,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406E66","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":1773512178,"usec":979734},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.011271,"noise_level":-21.621994,"freq_skew":0.749668,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6495","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":61031,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":58,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[142,166,252,96]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":6,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":18}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"STANDBY","choice":"uM1NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512178,"usec":980865},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710440,"noise_level":-22.629412,"freq_skew":1.396240,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGE","mode":"2","label":"5U","blk_id":"9","ack":"!","flight":"U221RA","msg_num":"M67","msg_num_seq":"A","msg_text":" LIS-FT"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512179,"usec":741791},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601538,"noise_level":-23.260794,"freq_skew":1.350382,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":580,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60633,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[217,42]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512179,"usec":744707},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635922,"noise_level":-23.622028,"freq_skew":-2.858513,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60549,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[247,253,188,59]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60549,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[238,185,145,73]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512180,"usec":497183},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.647126,"noise_level":-24.373917,"freq_skew":2.030295,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512180,"usec":498323},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440755,"noise_level":-24.316618,"freq_skew":0.716025,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC24","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":1773512180,"usec":499307},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251366,"noise_level":-25.318720,"freq_skew":0.715521,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6495","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":61033,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":10,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[128,70,242,102]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512181,"usec":264531},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.015772,"noise_level":-24.988583,"freq_skew":-1.151056,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60537,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[180,157,174,101]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60537,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,164,115,105]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512181,"usec":268614},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048872,"noise_level":-24.881266,"freq_skew":-2.701699,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512182,"usec":21294},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.156814,"noise_level":-24.715261,"freq_skew":0.577210,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD3D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"_d","blk_id":"X","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512182,"usec":26005},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737259,"noise_level":-25.548536,"freq_skew":1.704290,"avlc":{"src":{"addr":"44001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":40.299999,"lon":-5.900000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512182,"usec":28098},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636732,"noise_level":-26.437761,"freq_skew":1.564085,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGE","mode":"2","label":"_d","blk_id":"0","ack":"J","flight":"U221RA","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512182,"usec":29207},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401619,"noise_level":-26.383251,"freq_skew":2.002215,"avlc":{"src":{"addr":"4CA84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2945,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52053,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[206,40]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":20}},"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":1773512182,"usec":29879},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.179961,"noise_level":-26.383251,"freq_skew":0.663260,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406673","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Request / Broadcast Handoff","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"autotune_freq","value":{"freq_mhz":136.975006,"modulation_support":["VDL-M2, D8PSK, 31500 bps"]}},{"name":"replacement_ground_stations","value":["1091CA"]},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512182,"usec":781891},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835688,"noise_level":-27.225706,"freq_skew":1.663940,"avlc":{"src":{"addr":"44001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-ICN","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC68WQ","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512182,"usec":782403},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611342,"noise_level":-27.185883,"freq_skew":1.797050,"avlc":{"src":{"addr":"44001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000037","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,31,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512182,"usec":783961},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923036,"noise_level":-27.087116,"freq_skew":-2.082647,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60501,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[225,249,121,248]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512182,"usec":784253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873438,"noise_level":-27.318764,"freq_skew":1.851303,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512182,"usec":784507},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309049,"noise_level":-28.400349,"freq_skew":1.809875,"avlc":{"src":{"addr":"4CA84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2946,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60677,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[194,249]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":20}},"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":1773512182,"usec":789535},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829484,"noise_level":-28.174829,"freq_skew":1.681906,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGE","mode":"2","label":"_d","blk_id":"1","ack":"K","flight":"U221RA","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512183,"usec":544605},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404804,"noise_level":-27.911711,"freq_skew":1.820543,"avlc":{"src":{"addr":"44001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512183,"usec":551509},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653002,"noise_level":-27.614489,"freq_skew":2.076417,"avlc":{"src":{"addr":"4CA84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2947,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":26,"dst_ref":52053,"variable_part_params":[{"name":"checksum","value":[94,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512184,"usec":307049},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826782,"noise_level":-27.736483,"freq_skew":0.450922,"avlc":{"src":{"addr":"4CAC8E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":280,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512184,"usec":312063},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.049754,"noise_level":-27.548044,"freq_skew":0.804155,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC24","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":61039,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26,"credit":10,"rseq":3,"variable_part_params":[{"name":"checksum","value":[248,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512184,"usec":317679},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515977,"noise_level":-27.282877,"freq_skew":1.650541,"avlc":{"src":{"addr":"44001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512184,"usec":318550},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613577,"noise_level":-27.398703,"freq_skew":0.830439,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC8E","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":1773512185,"usec":69076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274071,"noise_level":-27.337839,"freq_skew":1.968335,"avlc":{"src":{"addr":"4CA84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512185,"usec":69152},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.085197,"noise_level":-27.337839,"freq_skew":-1.273411,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60537,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[180,157,174,101]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60537,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,164,115,105]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512185,"usec":72059},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.370186,"noise_level":-27.137987,"freq_skew":1.527323,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":581,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60633,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[156,187]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512185,"usec":73093},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.208451,"noise_level":-27.879578,"freq_skew":0.609249,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC8E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":44242,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512185,"usec":831315},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168643,"noise_level":-28.000313,"freq_skew":0.761703,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC24","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":1773512185,"usec":831953},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682207,"noise_level":-27.956783,"freq_skew":0.520587,"avlc":{"src":{"addr":"4CAC8E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512186,"usec":600339},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619109,"noise_level":-27.535130,"freq_skew":2.102886,"avlc":{"src":{"addr":"4D2080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2723,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60534,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[175,177]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512187,"usec":347498},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.078658,"noise_level":-28.540680,"freq_skew":0.548507,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"400B00","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512187,"usec":349831},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.323774,"noise_level":-28.379648,"freq_skew":2.460325,"avlc":{"src":{"addr":"400B00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":43.299999,"lon":-4.000000},"alt":34000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512187,"usec":350427},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717523,"noise_level":-28.904915,"freq_skew":0.815837,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2080","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":1773512187,"usec":354607},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593734,"noise_level":-29.087624,"freq_skew":2.552384,"avlc":{"src":{"addr":"400B00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXH","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"BA07YT","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512187,"usec":354607},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.593734,"noise_level":-29.087624,"freq_skew":2.552384,"avlc":{"src":{"addr":"400B00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20005400","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,11,0,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512187,"usec":357997},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761796,"noise_level":-29.696741,"freq_skew":-1.106156,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512188,"usec":117711},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.067025,"noise_level":-29.565123,"freq_skew":0.612053,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"400B00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20005400","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512188,"usec":118853},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799690,"noise_level":-29.461241,"freq_skew":1.883705,"avlc":{"src":{"addr":"4CA84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2947,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":26,"dst_ref":52053,"variable_part_params":[{"name":"checksum","value":[94,214]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512188,"usec":122252},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681093,"noise_level":-29.282391,"freq_skew":1.713256,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":539,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60699,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[174,62,39,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512188,"usec":125037},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.068440,"noise_level":-29.131968,"freq_skew":0.800012,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407178","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":13011,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12750,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[128,131,12,142]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512188,"usec":883671},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785545,"noise_level":-29.374401,"freq_skew":1.729857,"avlc":{"src":{"addr":"3443D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60556,"credit":4,"rseq":15,"variable_part_params":[{"name":"atn_checksum","value":[118,93,162,75]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60556,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[65,19,111,151]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":15,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512188,"usec":884266},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.084478,"noise_level":-29.323435,"freq_skew":0.804678,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"400B00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXH","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512188,"usec":884834},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287183,"noise_level":-29.272766,"freq_skew":0.792640,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB563","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":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.500000,"flags":192,"pdu_id":30048,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":41866,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[51,96,162,128]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512188,"usec":888443},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525945,"noise_level":-29.048344,"freq_skew":-0.720867,"avlc":{"src":{"addr":"407178","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":509,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13105,"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":[127,152,102,25]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512189,"usec":641892},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025103,"noise_level":-29.551420,"freq_skew":2.056140,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"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":4226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":13131,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[131,165]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512189,"usec":642496},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852408,"noise_level":-29.473516,"freq_skew":1.518110,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512189,"usec":643411},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703827,"noise_level":-29.396305,"freq_skew":-0.728970,"avlc":{"src":{"addr":"4BB563","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":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":422,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52281,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[100,84,115,19]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512189,"usec":646346},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673441,"noise_level":-29.118931,"freq_skew":1.735487,"avlc":{"src":{"addr":"3443D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512189,"usec":646544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.159070,"noise_level":-29.118931,"freq_skew":0.683521,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407178","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":1773512190,"usec":401478},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425022,"noise_level":-29.448303,"freq_skew":0.584290,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4BB563","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":1773512190,"usec":401661},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.114113,"noise_level":-29.448303,"freq_skew":1.928023,"avlc":{"src":{"addr":"4CA84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2948,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60677,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[15,204]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512190,"usec":404702},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500671,"noise_level":-29.169292,"freq_skew":2.278348,"avlc":{"src":{"addr":"400B00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXH","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"BA07YT","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512190,"usec":407193},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568411,"noise_level":-29.045372,"freq_skew":2.239128,"avlc":{"src":{"addr":"400B00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20005400","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,11,0,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512190,"usec":408617},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168353,"noise_level":-28.996294,"freq_skew":0.663063,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"400B00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"20005400","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512191,"usec":161427},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654079,"noise_level":-29.304304,"freq_skew":2.204018,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","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":2,"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":4227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13131,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[244,85]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512191,"usec":163837},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685724,"noise_level":-29.079075,"freq_skew":0.091257,"avlc":{"src":{"addr":"49D38C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512191,"usec":169198},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822851,"noise_level":-28.811495,"freq_skew":0.145890,"avlc":{"src":{"addr":"49D38C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12837,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[43,73,211,114]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512191,"usec":173034},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666061,"noise_level":-28.922426,"freq_skew":0.187926,"avlc":{"src":{"addr":"49D38C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12837,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[185,226,141,196]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512191,"usec":929801},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.121193,"noise_level":-28.874039,"freq_skew":2.400887,"avlc":{"src":{"addr":"400B00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512191,"usec":929876},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520079,"noise_level":-28.874039,"freq_skew":1.798110,"avlc":{"src":{"addr":"4D2080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13162,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[127,179]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512191,"usec":930314},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.138996,"noise_level":-30.042477,"freq_skew":0.808691,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"400B00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUXH","mode":"2","label":"_d","blk_id":"X","ack":"4","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512191,"usec":935163},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232737,"noise_level":-29.744043,"freq_skew":0.713111,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407178","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":13027,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12750,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[237,19,208,174]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"LISBOA","facility_function":"control"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":134.855000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512191,"usec":941513},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.323857,"noise_level":-30.308010,"freq_skew":0.609518,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2080","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":1773512192,"usec":685247},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.185071,"noise_level":-30.138916,"freq_skew":0.681425,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":61049,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26,"credit":10,"rseq":8,"variable_part_params":[{"name":"checksum","value":[228,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512192,"usec":688431},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471260,"noise_level":-30.780622,"freq_skew":-0.261871,"avlc":{"src":{"addr":"407F61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13101,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[171,188,114,90]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":13101,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[214,88,20,114]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512192,"usec":692919},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.473473,"noise_level":-30.631659,"freq_skew":0.050295,"avlc":{"src":{"addr":"49D38C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161,193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512192,"usec":693975},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546683,"noise_level":-30.543489,"freq_skew":-0.466837,"avlc":{"src":{"addr":"407178","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512193,"usec":448533},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.957343,"noise_level":-30.543489,"freq_skew":1.723103,"avlc":{"src":{"addr":"4D2080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2725,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60534,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[144,32]},{"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":1773512193,"usec":455662},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770754,"noise_level":-30.917604,"freq_skew":2.125259,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":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":373,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512193,"usec":456854},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740647,"noise_level":-30.826502,"freq_skew":-0.718276,"avlc":{"src":{"addr":"407178","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":510,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13105,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[232,231,9,108]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512193,"usec":456854},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.740647,"noise_level":-30.826502,"freq_skew":-0.718276,"avlc":{"src":{"addr":"407178","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":511,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":13105,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[59,148,17,252]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512194,"usec":209828},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.086608,"noise_level":-31.454632,"freq_skew":0.766577,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407178","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"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":1773512194,"usec":211712},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018050,"noise_level":-31.261938,"freq_skew":1.918160,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512194,"usec":213344},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.119738,"noise_level":-31.073425,"freq_skew":0.552505,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407178","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":13033,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12750,"credit":15,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[213,80,62,57]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512194,"usec":216823},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000130,"noise_level":-30.858543,"freq_skew":2.217264,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","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":2,"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":4227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13131,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[244,85]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512194,"usec":969503},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.304039,"noise_level":-30.648849,"freq_skew":-0.360600,"avlc":{"src":{"addr":"407F61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512194,"usec":971789},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835206,"noise_level":-30.415237,"freq_skew":-0.499952,"avlc":{"src":{"addr":"407178","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512195,"usec":736814},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728927,"noise_level":-30.063831,"freq_skew":0.100537,"avlc":{"src":{"addr":"49D38C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512196,"usec":496233},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728652,"noise_level":-29.818308,"freq_skew":-0.019234,"avlc":{"src":{"addr":"49D38C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":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":1773512196,"usec":496233},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.728652,"noise_level":-29.818308,"freq_skew":-0.019234,"avlc":{"src":{"addr":"49D38C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12837,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[143,73,194,101]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512196,"usec":497624},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683455,"noise_level":-29.711376,"freq_skew":2.066718,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512196,"usec":505361},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786600,"noise_level":-29.449665,"freq_skew":1.588768,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":41.200001,"lon":-8.500000},"alt":37000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512196,"usec":510078},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840594,"noise_level":-29.245831,"freq_skew":0.002214,"avlc":{"src":{"addr":"49D38C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":468,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":64653,"dst_ref":60719,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[84,126,250,151]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512197,"usec":265025},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692358,"noise_level":-29.284595,"freq_skew":1.745452,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512197,"usec":265200},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536601,"noise_level":-29.284595,"freq_skew":2.144526,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LFML"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-7.900000},"alt":28000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512197,"usec":265363},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458547,"noise_level":-29.259338,"freq_skew":1.567483,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGE","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"U221RA","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512197,"usec":265855},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685649,"noise_level":-29.234152,"freq_skew":1.586102,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20062102","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,100,66,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512197,"usec":271029},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708640,"noise_level":-29.171703,"freq_skew":2.263424,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HET","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR08NU","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512198,"usec":17963},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435077,"noise_level":-28.828993,"freq_skew":1.982165,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126451","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,41,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512198,"usec":25918},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.162335,"noise_level":-28.639061,"freq_skew":0.670099,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD3D","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"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":61063,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12,"credit":10,"rseq":1,"variable_part_params":[{"name":"checksum","value":[71,115]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512198,"usec":26329},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624511,"noise_level":-28.639061,"freq_skew":1.521994,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512198,"usec":31744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.171204,"noise_level":-28.407343,"freq_skew":0.097394,"avlc":{"src":{"addr":"49D38C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512198,"usec":31843},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.255603,"noise_level":-28.407343,"freq_skew":0.302103,"avlc":{"src":{"addr":"4AC9E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":614,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60591,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[75,135,237,137]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512198,"usec":791281},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706568,"noise_level":-28.380627,"freq_skew":2.187520,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"LFML"},{"name":"ac_location","value":{"loc":{"lat":39.700001,"lon":-7.900000},"alt":28000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512198,"usec":796769},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.012015,"noise_level":-28.177853,"freq_skew":0.840497,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440C35","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":13041,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61,"credit":15,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[160,126,231,233]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512198,"usec":797839},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477937,"noise_level":-28.942741,"freq_skew":1.964311,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":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":473,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60683,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[163,135]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512199,"usec":545455},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656326,"noise_level":-29.443573,"freq_skew":1.871284,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","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":2,"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":4227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13131,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[244,85]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512199,"usec":547257},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391890,"noise_level":-29.290359,"freq_skew":1.576241,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":572,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12824,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":13,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[216,176,60,110]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512199,"usec":547578},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557950,"noise_level":-29.265083,"freq_skew":0.236279,"avlc":{"src":{"addr":"49D38C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512199,"usec":551541},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740674,"noise_level":-29.114956,"freq_skew":0.701492,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAD3D","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":1773512199,"usec":556250},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672990,"noise_level":-28.967381,"freq_skew":1.776996,"avlc":{"src":{"addr":"3443D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512200,"usec":304787},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037339,"noise_level":-29.835642,"freq_skew":0.353829,"avlc":{"src":{"addr":"4AC9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":515,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60632,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[13,27,18,145]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512200,"usec":305642},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.126885,"noise_level":-29.755157,"freq_skew":0.715607,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"440C35","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":1773512200,"usec":308438},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.363393,"noise_level":-29.492146,"freq_skew":-0.001334,"avlc":{"src":{"addr":"407F61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":13101,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[153,164,250,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":38}},"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":1773512200,"usec":319386},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761854,"noise_level":-29.363565,"freq_skew":0.785810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9ED","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":1773512201,"usec":73968},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722465,"noise_level":-29.591488,"freq_skew":2.216593,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HET","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR08NU","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512201,"usec":75212},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607944,"noise_level":-29.539234,"freq_skew":1.965356,"avlc":{"src":{"addr":"4D225A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1191CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":992,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512201,"usec":77354},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843607,"noise_level":-29.435663,"freq_skew":-1.159594,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60537,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,7,221,41]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":39}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512201,"usec":78391},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620516,"noise_level":-29.358788,"freq_skew":1.409708,"avlc":{"src":{"addr":"406442","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512201,"usec":832882},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745471,"noise_level":-29.232155,"freq_skew":2.109143,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126451","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,41,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512201,"usec":832996},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783355,"noise_level":-29.207048,"freq_skew":-1.455187,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":495,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52233,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[3,17,197,99]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512201,"usec":835030},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451833,"noise_level":-29.033302,"freq_skew":1.994183,"avlc":{"src":{"addr":"4CA56A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":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":1400,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512201,"usec":835674},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997518,"noise_level":-28.984295,"freq_skew":-1.197931,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512201,"usec":846214},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986221,"noise_level":-28.743309,"freq_skew":-1.327273,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512201,"usec":846214},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.986221,"noise_level":-28.743309,"freq_skew":-1.327273,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161,193,225]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512202,"usec":591549},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780220,"noise_level":-28.648758,"freq_skew":-0.396582,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":349,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512202,"usec":591824},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827251,"noise_level":-28.648758,"freq_skew":-1.491581,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","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":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":496,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":61,"dst_ref":60537,"variable_part_params":[{"name":"atn_checksum","value":[121,186,117,39]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512202,"usec":591824},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.827251,"noise_level":-28.648758,"freq_skew":-1.491581,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","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":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":497,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52233,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[43,119,163,67]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512202,"usec":592042},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438332,"noise_level":-28.625280,"freq_skew":-0.221217,"avlc":{"src":{"addr":"407F61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512202,"usec":595113},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498308,"noise_level":-28.393921,"freq_skew":-0.291758,"avlc":{"src":{"addr":"407F61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13101,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[31,92,109,74]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512202,"usec":598805},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810534,"noise_level":-28.303078,"freq_skew":2.112567,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512202,"usec":599148},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666737,"noise_level":-28.787481,"freq_skew":-0.074407,"avlc":{"src":{"addr":"4952CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":479,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13132,"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":[37,108,87,73]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512202,"usec":599764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.348939,"noise_level":-29.687263,"freq_skew":-1.358638,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512202,"usec":600092},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777203,"noise_level":-29.660809,"freq_skew":-0.696444,"avlc":{"src":{"addr":"407178","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":512,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":13105,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[242,120,165,9]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512203,"usec":351078},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644511,"noise_level":-29.767771,"freq_skew":-2.094234,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60501,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[140,43,210,111]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60501,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[57,65,169,220]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512203,"usec":358188},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.145030,"noise_level":-29.478477,"freq_skew":0.620156,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407178","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":13051,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12750,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[43,29,112,227]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512203,"usec":358734},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.226018,"noise_level":-29.452648,"freq_skew":0.625394,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407178","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":13052,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12750,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[217,33,137,148]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512203,"usec":359489},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864221,"noise_level":-29.426899,"freq_skew":-1.198263,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","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":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":498,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52233,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[128,68,213,237]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52233,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[76,174,149,96]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512203,"usec":361053},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765254,"noise_level":-29.299274,"freq_skew":-0.395521,"avlc":{"src":{"addr":"407178","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":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":1773512204,"usec":122390},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708776,"noise_level":-29.264629,"freq_skew":-2.019021,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512204,"usec":124781},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.020921,"noise_level":-29.139351,"freq_skew":0.600864,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407178","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512204,"usec":125715},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068069,"noise_level":-29.089741,"freq_skew":2.041286,"avlc":{"src":{"addr":"495298","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512204,"usec":126336},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.213247,"noise_level":-29.926659,"freq_skew":-0.109050,"avlc":{"src":{"addr":"4CAD94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":408,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60467,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[69,226,125,60]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512204,"usec":872610},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.456017,"noise_level":-29.786304,"freq_skew":-1.274989,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512204,"usec":880598},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.431209,"noise_level":-29.470522,"freq_skew":2.165163,"avlc":{"src":{"addr":"4CA56A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512204,"usec":884962},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801073,"noise_level":-29.769611,"freq_skew":-0.489668,"avlc":{"src":{"addr":"407178","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":513,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13105,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[92,135,4,92]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512204,"usec":886948},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.312186,"noise_level":-29.782675,"freq_skew":0.571242,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC8E","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":13053,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":58,"credit":15,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[80,100,8,59]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512205,"usec":643175},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559381,"noise_level":-30.400354,"freq_skew":0.314403,"avlc":{"src":{"addr":"4CAC8E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13089,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[207,172,64,123]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512206,"usec":401032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.153434,"noise_level":-29.666384,"freq_skew":0.745294,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CAC8E","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":1773512206,"usec":401375},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524431,"noise_level":-29.945248,"freq_skew":1.698795,"avlc":{"src":{"addr":"3443D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":68,"dst_ref":52299,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[86,53,159,233]}]}],"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":1773512207,"usec":171264},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.302045,"noise_level":-30.222340,"freq_skew":0.457473,"avlc":{"src":{"addr":"4406F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":496,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60604,"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":[230,187,191,164]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":172152},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.150937,"noise_level":-30.138210,"freq_skew":0.742974,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"400B00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":61092,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":86,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[38,103,182,183]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":172243},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.185184,"noise_level":-30.962109,"freq_skew":-1.309087,"avlc":{"src":{"addr":"4ACAB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11928A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":172346},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547860,"noise_level":-30.962109,"freq_skew":1.832006,"avlc":{"src":{"addr":"3443D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":346,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":6,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":172490},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975531,"noise_level":-30.962109,"freq_skew":-0.326115,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":177971},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.288162,"noise_level":-30.690248,"freq_skew":0.804557,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406E66","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":13055,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":66,"credit":15,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[1,214,60,65]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":181870},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310553,"noise_level":-30.513622,"freq_skew":2.074823,"avlc":{"src":{"addr":"4CA84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":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":2949,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60677,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[11,207]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":919383},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513798,"noise_level":-30.397837,"freq_skew":0.979521,"avlc":{"src":{"addr":"406E66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":592,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13147,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[38,19,127,176]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":920228},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350525,"noise_level":-30.312000,"freq_skew":-0.400249,"avlc":{"src":{"addr":"407178","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":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":1773512207,"usec":920228},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.350525,"noise_level":-30.312000,"freq_skew":-0.400249,"avlc":{"src":{"addr":"407178","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":513,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13105,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[92,135,4,92]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":920525},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.164747,"noise_level":-30.283573,"freq_skew":0.813810,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"400B00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":44741,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":926264},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667211,"noise_level":-29.922274,"freq_skew":2.365916,"avlc":{"src":{"addr":"400B00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":928402},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.166193,"noise_level":-30.064022,"freq_skew":0.698309,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"406E66","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":1773512207,"usec":928501},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287927,"noise_level":-30.064022,"freq_skew":0.799323,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"400B00","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":48.000000,"flags":192,"pdu_id":61092,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":86,"credit":10,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[38,103,182,183]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512207,"usec":929016},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542110,"noise_level":-30.193058,"freq_skew":0.700817,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407178","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":1773512208,"usec":688759},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752965,"noise_level":-30.053759,"freq_skew":0.129163,"avlc":{"src":{"addr":"4AC9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":516,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512208,"usec":691751},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689548,"noise_level":-30.078848,"freq_skew":-2.161509,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":60501,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[156,15,59,1]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512208,"usec":692399},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444396,"noise_level":-30.051174,"freq_skew":2.447304,"avlc":{"src":{"addr":"400B00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60637,"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":[53,194,185,51]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512208,"usec":695181},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724352,"noise_level":-29.859888,"freq_skew":-2.112599,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":52243,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[213,169,158,188]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":3,"day":14},"time":{"hour":18,"min":16,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512209,"usec":455460},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441627,"noise_level":-29.619984,"freq_skew":0.662721,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9ED","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":1773512209,"usec":457156},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209204,"noise_level":-29.463654,"freq_skew":0.648880,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"400B00","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":1773512209,"usec":457399},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847203,"noise_level":-29.463654,"freq_skew":-2.114654,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":54,"dst_ref":60501,"variable_part_params":[{"name":"atn_checksum","value":[134,138,7,83]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512209,"usec":457958},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060389,"noise_level":-29.988394,"freq_skew":-2.373939,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","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":1773512209,"usec":459921},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.165030,"noise_level":-29.852314,"freq_skew":0.744865,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4D2080","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":13061,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":27,"credit":15,"rseq":0,"variable_part_params":[{"name":"checksum","value":[220,202]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512210,"usec":206993},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807310,"noise_level":-29.586388,"freq_skew":-2.208024,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52243,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[37,10,199,247]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512210,"usec":208898},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731225,"noise_level":-29.404968,"freq_skew":1.615893,"avlc":{"src":{"addr":"3443D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512210,"usec":215015},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368286,"noise_level":-30.080894,"freq_skew":2.053307,"avlc":{"src":{"addr":"4D2080","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2726,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13162,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[98,35]},{"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":1773512210,"usec":977054},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349714,"noise_level":-30.433105,"freq_skew":0.698959,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6495","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":44830,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":9,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512210,"usec":982278},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637420,"noise_level":-30.657251,"freq_skew":1.596527,"avlc":{"src":{"addr":"44001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":40.400002,"lon":-5.900000},"alt":36000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512211,"usec":738571},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.243221,"noise_level":-30.365927,"freq_skew":0.602856,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"44001F","type":"Aircraft"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512211,"usec":739700},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.289206,"noise_level":-30.252083,"freq_skew":2.001359,"avlc":{"src":{"addr":"4CA84E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":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":2949,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60677,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[11,207]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512211,"usec":741802},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772412,"noise_level":-30.028767,"freq_skew":1.890761,"avlc":{"src":{"addr":"44001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-ICN","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC68WQ","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512211,"usec":741802},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.772412,"noise_level":-30.028767,"freq_skew":1.890761,"avlc":{"src":{"addr":"44001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000037","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,0,31,0,0,83,65,65,66,0,0,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512211,"usec":742828},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763563,"noise_level":-29.919231,"freq_skew":-2.199190,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512211,"usec":742945},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616158,"noise_level":-29.919231,"freq_skew":-2.735836,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":356,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512211,"usec":743647},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.222920,"noise_level":-30.325111,"freq_skew":0.671542,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"44001F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":15,"pkt_type_name":"Call Accepted","chan_group":11,"chan_num":255,"calling_addr":"21000037","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"called_addr_extension","value":[12,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,1,88,65,65,0,0,0,2,0,147,2,0,172,19,147,198,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512212,"usec":498560},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.114219,"noise_level":-30.168535,"freq_skew":0.565533,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":13066,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":64,"credit":15,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[171,250,118,15]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512212,"usec":500443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.185362,"noise_level":-30.057230,"freq_skew":0.644191,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6495","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512212,"usec":502718},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.102218,"noise_level":-30.002108,"freq_skew":0.764087,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4AC9ED","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":44887,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512212,"usec":503145},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445480,"noise_level":-30.002108,"freq_skew":0.759579,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"44001F","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-ICN","mode":"2","label":"_d","blk_id":"Z","ack":"5","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512212,"usec":503455},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.410831,"noise_level":-30.002108,"freq_skew":1.670694,"avlc":{"src":{"addr":"44001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512212,"usec":504517},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476057,"noise_level":-29.892902,"freq_skew":1.513249,"avlc":{"src":{"addr":"407687","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":535,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13115,"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":[185,105,178,133]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512213,"usec":268026},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.177703,"noise_level":-29.417791,"freq_skew":0.534290,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6495","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":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":10.000000,"flags":246,"pdu_id":44830,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":9,"credit_offered":4,"credit_avail":3}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512213,"usec":269156},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928074,"noise_level":-29.710646,"freq_skew":1.683581,"avlc":{"src":{"addr":"44001F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512213,"usec":270194},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544517,"noise_level":-29.631310,"freq_skew":-0.014568,"avlc":{"src":{"addr":"4AC9ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512214,"usec":24961},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.366231,"noise_level":-29.474773,"freq_skew":0.707940,"avlc":{"src":{"addr":"129F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"407687","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512214,"usec":25132},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310568,"noise_level":-30.011101,"freq_skew":0.353166,"avlc":{"src":{"addr":"4CAEA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1192CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3978,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13125,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[25,140]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512214,"usec":30669},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565817,"noise_level":-29.608063,"freq_skew":-2.779311,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"129F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512216,"usec":313752},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.970140,"noise_level":-28.389648,"freq_skew":3.562800,"avlc":{"src":{"addr":"440C38","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119ADA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512216,"usec":315444},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514209,"noise_level":-28.298851,"freq_skew":3.945427,"avlc":{"src":{"addr":"495218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1298AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":60609,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[25,83]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1773512216,"usec":315950},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700112,"noise_level":-28.298851,"freq_skew":1.613244,"avlc":{"src":{"addr":"3443D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119A8A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}