{"analysis":{"blocks":[[0.0,"keyed-tone",533.2],[20.0,"keyed-tone",424.8],[40.0,"mixed",424.8],[60.0,"keyed-tone",530.3],[80.0,"keyed-tone",530.3],[100.0,"keyed-tone",213.9],[120.0,"mixed",213.9],[140.0,"keyed-tone",213.9],[160.0,"keyed-tone",213.9],[180.0,"keyed-tone",424.8]],"content":"keyed-tone","dur_s":183.06,"keying_depth":0.96,"keying_hz":0.3,"mix":{"keyed-tone":0.8,"mixed":0.2},"peak":0.3772,"rms":0.031066,"samplerate":12000,"summary":"keyed-tone 80% · mixed 20% · tone 425 Hz · keying 0.30 Hz depth 0.96","tone_hz":424.8},"archived":false,"archived_why":null,"band":"4 MHz","dur_s":183.06,"excerpt_s":null,"freq_khz":4625.0,"heard_in":[],"id":"2026-10-03T1819Z-4625-uvb76-4625","licence":"CC BY 4.0","media":{"flac":{"bytes":2930772,"url":"/media/441455e3b9e7c62ae85aed593293b3e2750f140ce8ea842436321d4b54f4e8e3.flac"},"m4a":{"bytes":1113180,"url":"/media/441455e3b9e7c62ae85aed593293b3e2750f140ce8ea842436321d4b54f4e8e3.m4a"},"opus":{"bytes":709393,"url":"/media/441455e3b9e7c62ae85aed593293b3e2750f140ce8ea842436321d4b54f4e8e3.opus"}},"mode":"USB","notes":{"listening":{"marks":[],"note":"","stars":0,"tags":[]},"rig":null},"peaks":[58,68,89,94,94,94,91,83,82,82,83,82,87,92,95,94,92,91,82,83,84,83,83,83,90,92,92,92,90,84,83,83,83,84,83,90,93,94,94,94,82,82,86,82,82,83,90,94,96,97,95,87,83,84,84,82,84,86,96,96,94,93,88,83,83,84,85,83,83,95,94,95,95,91,83,84,84,83,83,84,93,93,92,90,90,83,83,84,83,83,85,93,93,93,95,95,84,82,83,83,83,82,93,94,92,93,92,82,83,84,83,84,82,90,93,94,93,95,87,83,85,84,83,82,87,94,93,92,93,87,82,84,83,83,83,83,95,94,94,94,92,84,82,82,84,83,83,95,91,92,94,91,83,83,83,83,83,83,96,98,96,93,91,83,84,82,83,83,83,87,90,91,92,92,84,83,83,84,83,83,90,91,90,87,88,84,82,84,83,83,82,90,96,95,92,94,89,84,81,82,83,82,83,90,89,90,90,87,83,83,83,83,83,82,90,91,92,93,90,83,83,81,81,83,85,94,95,95,92,88,84,82,83,83,83,83,91,96,96,95,93,84,85,83,84,85,83,90,94,93,92,92,83,83,83,84,84,83,91,92,90,89,86,87,78,81,83,84,82,85,93,90,89,89,84,83,85,80,81,82,81,95,96,94,93,91,83,83,83,83,83,83,90,91,91,92,87,83,83,84,84,83,83,88,89,88,89,90,84,84,83,85,84,84,89,92,93,92,93,84,82,83,83,84,84,95,99,95,93,92,85,85,83,84,83,84,89,94,93,91,93,88,85,81,83,83,83,84,93,94,94,94,89,83,83,83,83,83,82,95,94,91,89,86,82,83,83,84,81,83,94,94,96,96,94,83,83,84,82,83,83,91,92,94,94,92,83,85,84,81,85,83,91,97,99,100,98,83,84,84,84,82,83,88,90,93,89,92,86,83,85,83,84,85,85,90,90,91,90,89,48,59,73,80,81,83,94,93,94,94,90,84,85,81,82,82,84,91,92,91,90,87,83,84,83,83,83,83,91,94,93,94,93,83,84,82,84,83,83,88,90,89,89,91,83,83,82,82,82,84,89,92,93,91,91,86,85,83,82,83,85,82,90,89,90,91,88,83,84,83,83,84,85,90,92,93,94,91,85,85,84,85,85,84,93,94,94,92,89,83,84,84,83,85,83,92,95,97,96,92,84,85,84,84,84,84,88,94,95,95,94,86,83,84,86,84,84,89,96,98,98,97,89,85,85,86,83,83,83,94,95,96,95,90,84,84,84,84,84,84,94,96,93,91,88,82,83,84,82,83,83,94,95,95,93,91,83,84,82,82,83,83,90,91,91,92,94,83,82,82,83,83,83,91,94,92,91,91,85,85],"publish":"full","receiver":{"antenna":"Longwire 54m top 70m above sealevel","grid":"JO21oc","loc":"Heppen, Limburg, Belgium","opt_out":false},"recorder":"kiwirecorder.py (jks-prv/kiwiclient v1.11)","related":["2026-10-03T0042Z-4625-uvb76-4625","2026-10-02T1900Z-4625-uvb76-4625","2026-10-04T2142Z-4625-uvb76-4625","2026-10-03T1824Z-6617-volmet-6617-rostov","2026-10-03T1813Z-6693-volmet-6693-samara","2026-10-03T1830Z-516.5-navtex-518"],"rig_item":"2026-10-03T1819Z-4625-uvb76-4625","sha256":"441455e3b9e7c62ae85aed593293b3e2750f140ce8ea842436321d4b54f4e8e3","snr_db":39,"source_dur_s":183.06,"spectrogram":"/spectrogram/441455e3b9e7c62ae85aed593293b3e2750f140ce8ea842436321d4b54f4e8e3.png","station":{"kind":"marker","name":"UVB-76 \"The Buzzer\"","slug":"uvb76"},"thumb":"/spectrogram/441455e3b9e7c62ae85aed593293b3e2750f140ce8ea842436321d4b54f4e8e3-thumb.png","tier":"B","url":"/capture/2026-10-03T1819Z-4625-uvb76-4625/","utc":"2026-10-03T18:19:38Z"}