{"analysis":{"blocks":[[0.0,"keyed-tone",536.1],[20.0,"keyed-tone",536.1],[40.0,"keyed-tone",536.1],[60.0,"keyed-tone",536.1],[80.0,"keyed-tone",536.1],[100.0,"keyed-tone",536.1],[120.0,"keyed-tone",536.1],[140.0,"keyed-tone",536.1],[160.0,"keyed-tone",536.1],[180.0,"keyed-tone",536.1],[200.0,"keyed-tone",536.1],[220.0,"keyed-tone",536.1],[240.0,"keyed-tone",536.1],[260.0,"keyed-tone",536.1],[280.0,"keyed-tone",536.1],[300.0,"keyed-tone",536.1],[320.0,"keyed-tone",536.1],[340.0,"keyed-tone",536.1],[360.0,"keyed-tone",536.1],[380.0,"keyed-tone",536.1],[400.0,"keyed-tone",536.1],[420.0,"keyed-tone",536.1],[440.0,"keyed-tone",536.1],[460.0,"keyed-tone",536.1],[480.0,"keyed-tone",536.1],[500.0,"keyed-tone",536.1],[520.0,"keyed-tone",536.1],[540.0,"keyed-tone",536.1],[560.0,"keyed-tone",536.1],[580.0,"keyed-tone",536.1]],"content":"keyed-tone","dur_s":600.28,"keying_depth":0.95,"keying_hz":0.3,"mix":{"keyed-tone":1.0},"peak":0.4865,"rms":0.093116,"samplerate":11999,"summary":"keyed-tone 100% · tone 536 Hz · keying 0.30 Hz depth 0.95","tone_hz":536.1},"archived":false,"archived_why":null,"band":"4 MHz","dur_s":600.28,"excerpt_s":null,"freq_khz":4625.0,"heard_in":[],"id":"2026-10-06T1917Z-4625-uvb76-4625","licence":"CC BY 4.0","media":{"flac":{"bytes":10787374,"url":"/media/ba5f97ee4cde1cbbd6630ecbd6d0ef3fbc7e376280ecc16279cc4b01ffedf497.flac"},"m4a":{"bytes":3715049,"url":"/media/ba5f97ee4cde1cbbd6630ecbd6d0ef3fbc7e376280ecc16279cc4b01ffedf497.m4a"},"opus":{"bytes":2720216,"url":"/media/ba5f97ee4cde1cbbd6630ecbd6d0ef3fbc7e376280ecc16279cc4b01ffedf497.opus"}},"mode":"USB","notes":{"listening":{"marks":[],"note":"","stars":0,"tags":[]},"rig":null},"peaks":[93,95,95,87,91,95,86,89,97,91,89,93,94,84,91,95,89,89,96,95,85,91,95,85,89,93,90,88,94,93,83,90,94,86,88,96,93,87,93,96,86,91,95,93,88,94,91,83,91,95,84,86,95,90,87,95,96,83,92,96,84,87,94,89,87,95,97,86,89,96,87,88,92,94,90,91,95,85,88,95,91,86,93,94,81,91,97,88,87,96,92,84,93,97,80,90,95,91,89,95,96,89,92,96,85,86,96,91,86,92,91,88,92,96,89,88,95,94,84,91,93,88,92,95,89,90,93,94,85,89,95,84,90,95,90,87,93,94,84,91,98,90,88,94,95,86,91,93,85,92,94,88,88,94,96,86,90,95,92,91,96,94,85,94,96,84,90,96,88,87,95,93,86,91,94,84,88,94,90,86,94,95,84,91,96,88,89,95,92,85,93,96,85,91,96,88,90,95,93,87,92,97,88,94,95,88,89,95,94,90,90,97,89,86,93,93,84,93,96,84,89,94,89,88,94,90,87,92,96,91,90,95,92,85,93,96,88,97,95,91,92,95,94,88,94,96,89,90,98,89,89,94,96,81,91,95,88,91,94,92,86,93,94,81,89,98,88,89,93,92,87,91,94,91,92,95,93,90,95,93,87,91,97,87,89,94,93,89,93,96,85,89,95,93,91,95,96,85,91,96,87,90,96,91,91,90,95,85,88,97,90,89,94,94,87,92,95,87,89,94,91,85,93,93,88,91,95,88,89,94,97,87,93,95,88,91,98,93,88,94,93,85,93,96,88,88,95,92,90,94,96,87,90,97,90,89,95,92,91,92,93,90,91,95,92,88,92,93,88,92,98,88,88,93,93,88,92,98,82,89,98,94,88,94,95,86,91,96,88,88,97,91,88,93,93,84,92,96,88,88,95,92,92,94,100,86,90,95,91,89,94,94,85,91,95,89,89,95,93,91,93,98,86,89,96,90,90,94,95,86,92,96,85,89,96,89,87,96,94,84,90,95,88,89,94,92,91,94,96,84,91,95,90,87,96,93,84,92,96,87,89,95,90,86,95,94,83,92,97,89,88,95,93,85,92,97,87,91,95,89,91,93,94,88,91,93,87,89,92,94,90,95,97,86,90,99,91,89,93,93,89,92,94,88,90,94,91,89,93,96,88,91,96,91,88,94,95,87,93,97,84,89,96,90,90,95,95,84,92,95,89,90,97,91,86,94,97,87,89,97,86,90,94,94,88,93,96,85,88,98,92,88,94,95,85,91,95,88,92,93,92,90,94,96,87,91,97,89,88,95,94,90,92,93,86,90,95,90,91,92,94,83,91,96,91,90,95,93,89,92,94,86,90,95,90,89,95,94,89,92],"publish":"full","receiver":{"antenna":"VLF broadband vertical V1.2 08/26","grid":"JO53dk","loc":"Hamburg, Drage, 🇩🇪 Germany 🇩🇪","opt_out":false},"recorder":"kiwirecorder.py (jks-prv/kiwiclient v1.11)","related":["2026-10-06T0531Z-4625-uvb76-4625","2026-10-05T2200Z-4625-uvb76-4625","2026-10-04T2142Z-4625-uvb76-4625","2026-10-06T1910Z-8888-volmet-8888-novosibirsk","2026-10-06T1905Z-10000-wwv-hamsci-10000","2026-10-06T1929Z-28.7-vlf-28700"],"rig_item":"2026-10-06T1917Z-4625-uvb76-4625","sha256":"ba5f97ee4cde1cbbd6630ecbd6d0ef3fbc7e376280ecc16279cc4b01ffedf497","snr_db":42,"source_dur_s":600.28,"spectrogram":"/spectrogram/ba5f97ee4cde1cbbd6630ecbd6d0ef3fbc7e376280ecc16279cc4b01ffedf497.png","station":{"kind":"marker","name":"UVB-76 \"The Buzzer\"","slug":"uvb76"},"thumb":"/spectrogram/ba5f97ee4cde1cbbd6630ecbd6d0ef3fbc7e376280ecc16279cc4b01ffedf497-thumb.png","tier":"B","url":"/capture/2026-10-06T1917Z-4625-uvb76-4625/","utc":"2026-10-06T19:17:18Z"}