UVB-76 "The Buzzer"

tier B · keyed-tone

4625 kHz USB · 2026-09-18 20:51:52Z · 04:00 · received at Sedlcany, Czech Republic

Spectrogram of UVB-76 "The Buzzer", 4625 kHz USB, 2026-09-18 20:51:52Z, 04:00: keyed-tone 100% · tone 562 Hz · keying 0.30 Hz depth 0.97 — spectrogram 0–6.0 kHz · analysis blocks: keyed-tone

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.1 MB ⤓ Opus 1047 kB { }

What was heard

keyed-tone 100% · tone 562 Hz · keying 0.30 Hz depth 0.97 — dominant tone 562 Hz, keyed at 0.3 Hz (depth 0.97). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.

Receiver

KiwiSDR, Sedlcany, Czech Republic (JN79GO) · LW 40m · reported SNR 38 dB — thanks to the operator. Receivers

Provenance

sha256 ebc655bab25aeb130f00b531159688c8773e4262f6f14c1f5a4f1cbf3f610ba1
source 04:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-18T2051Z-4625-uvb76-4625

Heard in the record

— linked once the record exists.

Notes

rig: Marker hunt 2026-09-18 ~21:00Z. Night path, 4625 USB, expect keyed buzz ~25/min. Sources: https://priyom.org/military-stations/russia/the-buzzer , https://en.wikipedia.org/wiki/UVB-76

Licence

CC BY 4.0 — credit NIL HEARD / Reception Log. The recording is ours; the transmission is somebody else's. Descriptions describe sound, never content — why.

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