{"analysis":{"blocks":[[0.0,"keyed-tone",855.4],[20.0,"keyed-tone",855.4],[40.0,"keyed-tone",855.4],[60.0,"keyed-tone",855.4],[80.0,"keyed-tone",855.4],[100.0,"keyed-tone",855.4],[120.0,"keyed-tone",855.4],[140.0,"keyed-tone",855.4],[160.0,"keyed-tone",855.4],[180.0,"keyed-tone",855.4],[200.0,"keyed-tone",855.4],[220.0,"keyed-tone",855.4],[240.0,"keyed-tone",855.4],[260.0,"keyed-tone",855.4],[280.0,"keyed-tone",855.4],[300.0,"keyed-tone",855.4],[320.0,"keyed-tone",855.4],[340.0,"keyed-tone",855.4],[360.0,"keyed-tone",855.4],[380.0,"keyed-tone",855.4],[400.0,"keyed-tone",855.4],[420.0,"keyed-tone",855.4],[440.0,"keyed-tone",855.4],[460.0,"keyed-tone",855.4],[480.0,"keyed-tone",855.4],[500.0,"keyed-tone",855.4],[520.0,"keyed-tone",855.4],[540.0,"keyed-tone",855.4],[560.0,"keyed-tone",855.4],[580.0,"keyed-tone",855.4]],"content":"keyed-tone","dur_s":599.94,"keying_depth":0.99,"keying_hz":0.3,"mix":{"keyed-tone":1.0},"peak":0.6977,"rms":0.200128,"samplerate":11999,"summary":"keyed-tone 100% · tone 855 Hz · keying 0.30 Hz depth 0.99","tone_hz":855.4},"archived":false,"archived_why":null,"band":"8 MHz","dur_s":599.94,"excerpt_s":null,"freq_khz":8423.2,"heard_in":[],"id":"2026-09-21T0423Z-8423.2-cw-svo-8424","licence":"CC BY 4.0","media":{"flac":{"bytes":9384622,"url":"/media/950303155cb6b886e0648258690f93d3386e3d226ecb9fec814b184d575ecc10.flac"},"m4a":{"bytes":4004409,"url":"/media/950303155cb6b886e0648258690f93d3386e3d226ecb9fec814b184d575ecc10.m4a"},"opus":{"bytes":2741512,"url":"/media/950303155cb6b886e0648258690f93d3386e3d226ecb9fec814b184d575ecc10.opus"}},"mode":"USB","notes":{"listening":{"marks":[],"note":"","stars":0,"tags":[]},"rig":null},"peaks":[87,97,77,96,97,91,92,86,90,94,94,90,91,98,95,88,90,88,91,94,94,78,96,97,61,91,85,90,89,94,70,92,93,86,89,83,89,92,94,84,91,97,88,89,89,89,92,94,92,85,98,97,77,93,86,92,95,95,62,97,99,86,94,82,92,94,96,85,94,99,93,91,89,90,94,95,91,89,99,97,85,93,87,92,95,95,66,98,99,79,94,85,92,94,97,79,96,99,92,92,87,90,95,96,90,91,99,96,89,92,89,92,95,95,75,99,99,52,94,87,92,94,97,56,96,99,89,92,86,90,94,95,88,92,97,91,89,87,89,91,93,93,83,98,96,74,93,86,92,95,96,63,97,99,85,94,82,92,94,97,86,94,99,94,91,90,90,94,95,92,89,99,98,84,94,88,93,96,96,63,99,99,81,94,84,92,94,98,81,96,100,92,93,88,90,96,96,91,91,99,96,88,92,88,92,96,95,73,99,99,52,94,87,92,94,97,59,97,99,90,92,86,90,95,95,89,92,98,91,88,88,86,90,93,88,82,97,96,70,93,86,91,94,96,62,97,99,84,94,82,92,94,96,87,94,99,94,90,90,90,94,95,92,88,99,98,83,94,87,92,95,95,62,98,99,82,94,83,92,94,97,82,95,99,92,92,87,90,95,95,90,91,99,96,87,92,87,92,95,95,67,99,99,55,93,87,92,93,97,57,96,99,88,92,86,89,94,94,89,92,98,93,89,89,89,91,94,93,82,98,98,61,94,87,92,95,96,57,97,99,87,94,82,92,94,96,87,94,99,94,90,90,90,94,95,93,88,99,98,82,94,87,92,95,95,62,98,99,82,94,82,92,94,97,83,95,99,92,92,87,90,95,95,90,90,98,96,87,91,87,91,94,93,66,95,95,69,89,85,91,93,96,67,96,99,91,92,87,90,95,96,90,92,99,95,90,91,90,92,95,94,82,99,99,54,94,88,92,95,96,59,97,99,87,93,82,91,92,94,85,91,97,91,89,89,89,92,94,92,87,98,97,81,93,87,92,95,95,60,98,99,83,94,82,92,94,97,84,95,99,92,92,86,89,95,95,78,95,98,91,91,87,89,94,95,90,90,99,97,87,93,87,92,95,95,64,99,99,68,93,86,91,93,96,69,95,97,88,91,87,89,94,95,90,92,99,95,90,90,90,92,95,94,81,99,98,54,94,87,92,95,96,57,97,99,88,93,83,91,93,95,86,91,92,86,88,86,88,92,93,91,86,98,97,80,93,86,91,94,94,64,97,98,83,93,81,91,93,95,83,93,98,91,91,87,89,94,94,90,89,98,96,86,92,87,92,95,95,63,98,99,74,94,86,92,94,97,74,96,99],"publish":"full","receiver":{"antenna":"LW 40m","grid":"JN79GO","loc":"Sedlcany, Czech Republic","opt_out":false},"recorder":"kiwirecorder.py (jks-prv/kiwiclient v1.11)","related":["2026-09-20T2250Z-8423.2-cw-svo-8424","2026-09-21T1030Z-8423.2-cw-svo-8424","2026-09-21T1539Z-8423.2-cw-svo-8424","2026-09-21T0433Z-59-msf-60","2026-09-21T0412Z-6250-xsl-6250","2026-09-21T0407Z-4995-rwm-4996"],"rig_item":"2026-09-21T0423Z-8423.2-cw-svo-8424","sha256":"950303155cb6b886e0648258690f93d3386e3d226ecb9fec814b184d575ecc10","snr_db":36,"source_dur_s":599.94,"spectrogram":"/spectrogram/950303155cb6b886e0648258690f93d3386e3d226ecb9fec814b184d575ecc10.png","station":{"kind":"","name":"SVO Olimpia Radio (Greece) CW marker","slug":"cw-svo-8424"},"thumb":"/spectrogram/950303155cb6b886e0648258690f93d3386e3d226ecb9fec814b184d575ecc10-thumb.png","tier":"A","url":"/capture/2026-09-21T0423Z-8423.2-cw-svo-8424/","utc":"2026-09-21T04:23:26Z"}