{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086598,"usec":621309},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.590260,"noise_level":0.264862,"freq_skew":1.469953,"avlc":{"src":{"addr":"151DD5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086600,"usec":120131},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.738753,"noise_level":-14.394453,"freq_skew":-2.920155,"avlc":{"src":{"addr":"461FA2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086600,"usec":904645},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.674489,"noise_level":-14.716864,"freq_skew":-0.472331,"avlc":{"src":{"addr":"04022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086601,"usec":661241},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.550797,"noise_level":-15.588036,"freq_skew":-0.736824,"avlc":{"src":{"addr":"461F63","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086603,"usec":154336},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.757078,"noise_level":-16.874205,"freq_skew":-0.409082,"avlc":{"src":{"addr":"04022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086606,"usec":260670},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.794637,"noise_level":-17.188894,"freq_skew":-0.382856,"avlc":{"src":{"addr":"04022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086608,"usec":515415},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.814035,"noise_level":-17.467541,"freq_skew":0.497742,"avlc":{"src":{"addr":"461E21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKR","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"N7052V","msg_num":"C19","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE0456070628ABO\n04540615310 0 0\n04543205310 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086609,"usec":302100},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.265468,"noise_level":-17.383587,"freq_skew":-0.334529,"avlc":{"src":{"addr":"04022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EBLG"},{"name":"ac_location","value":{"loc":{"lat":57.400002,"lon":21.500000},"alt":255000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086610,"usec":57805},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.828812,"noise_level":-17.961576,"freq_skew":-0.247739,"avlc":{"src":{"addr":"04022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086611,"usec":591435},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.906941,"noise_level":-18.143379,"freq_skew":0.695107,"avlc":{"src":{"addr":"461E21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LKR","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"N7052V","msg_num":"C21","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE0456070628ABO\n04540615310 0 0\n04543205310 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086611,"usec":602142},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.476146,"noise_level":-18.038797,"freq_skew":0.438290,"avlc":{"src":{"addr":"109B3A","type":"Ground station","status":"On ground"},"dst":{"addr":"502D28","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086613,"usec":847158},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.173631,"noise_level":-18.538393,"freq_skew":0.788679,"avlc":{"src":{"addr":"461E21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086614,"usec":653953},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.902782,"noise_level":-18.991203,"freq_skew":-1.899106,"avlc":{"src":{"addr":"461F9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D5A","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":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":47,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":20571,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[200,27,223,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086614,"usec":654622},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.927641,"noise_level":-19.844696,"freq_skew":-0.305612,"avlc":{"src":{"addr":"04022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086619,"usec":206434},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.233684,"noise_level":-19.610405,"freq_skew":1.368864,"avlc":{"src":{"addr":"151DD5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"RA73173","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"SU1026","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086620,"usec":378},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.992553,"noise_level":-19.380926,"freq_skew":1.437643,"avlc":{"src":{"addr":"151DD5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"RA73173","mode":"2","label":"QX","blk_id":"4","ack":"A","flight":"SU1026","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086620,"usec":750003},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.891639,"noise_level":-19.212708,"freq_skew":-0.967287,"avlc":{"src":{"addr":"461F63","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":693,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":20572,"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":[37,4,155,35]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086626,"usec":84793},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.308414,"noise_level":-17.938465,"freq_skew":-0.728932,"avlc":{"src":{"addr":"461E1A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":20575,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[228,132]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086645,"usec":936067},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.500912,"noise_level":-18.153608,"freq_skew":0.497070,"avlc":{"src":{"addr":"109B3A","type":"Ground station","status":"On ground"},"dst":{"addr":"461F69","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":17.000000,"flags":214,"pdu_id":6164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":52,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[79,124,229,76]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086655,"usec":868442},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.901834,"noise_level":-16.953863,"freq_skew":-1.463696,"avlc":{"src":{"addr":"461FA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086660,"usec":423423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.483454,"noise_level":-18.069530,"freq_skew":-0.926947,"avlc":{"src":{"addr":"507CA3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2A3197","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086664,"usec":271991},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.218571,"noise_level":-18.709267,"freq_skew":-3.310477,"avlc":{"src":{"addr":"461FA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36389,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[104,102,119,4]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086664,"usec":271991},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.218571,"noise_level":-18.709267,"freq_skew":-3.310477,"avlc":{"src":{"addr":"461FA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":50,"dst_ref":36389,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[160,168,105,196]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086665,"usec":766348},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-3.782290,"noise_level":-20.147894,"freq_skew":-2.437883,"avlc":{"src":{"addr":"461FA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086667,"usec":324849},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.736234,"noise_level":-19.608391,"freq_skew":-1.874242,"avlc":{"src":{"addr":"502CC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086674,"usec":960376},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.245428,"noise_level":-20.516788,"freq_skew":-2.730650,"avlc":{"src":{"addr":"461FA2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086676,"usec":465065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.633139,"noise_level":-21.070490,"freq_skew":-3.016288,"avlc":{"src":{"addr":"461F69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086677,"usec":230262},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.930252,"noise_level":-20.799652,"freq_skew":-2.803531,"avlc":{"src":{"addr":"461F69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LXH","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"AY01HF","msg_num":"C05","msg_num_seq":"A","sublabel":"CF","msg_text":"WRN/WN25062804570034580006NAV GPS1 FAULT \r"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086677,"usec":997868},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.721788,"noise_level":-20.704935,"freq_skew":0.275651,"avlc":{"src":{"addr":"109B3A","type":"Ground station","status":"On ground"},"dst":{"addr":"461F69","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LXH","mode":"2","label":"_d","blk_id":"Z","ack":"1","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086678,"usec":4897},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.027259,"noise_level":-20.611238,"freq_skew":-2.852473,"avlc":{"src":{"addr":"461FA2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":3893,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[89,152,78,142]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":6,"day":28},"time":{"hour":4,"min":57,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086681,"usec":61517},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.175361,"noise_level":-21.209276,"freq_skew":0.937747,"avlc":{"src":{"addr":"461F9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1601,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086690,"usec":189210},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.696272,"noise_level":-18.953077,"freq_skew":-1.165918,"avlc":{"src":{"addr":"461FA0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086694,"usec":7973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.532405,"noise_level":-18.311575,"freq_skew":-1.764838,"avlc":{"src":{"addr":"502CC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B3A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086694,"usec":792908},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.758174,"noise_level":-18.426353,"freq_skew":1.257889,"avlc":{"src":{"addr":"461F9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1751086696,"usec":304563},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.656554,"noise_level":-19.679001,"freq_skew":0.388151,"avlc":{"src":{"addr":"4ACA8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"241597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}}