NIL HEARDRECEPTION LOG

UVB-76 "The Buzzer"

tier B · mixed

4625 kHz USB · 2026-10-06 05:31:18Z · 06:07 · received at South West England, UK

Spectrogram of UVB-76 "The Buzzer", 4625 kHz USB, 2026-10-06 05:31:18Z, 06:07: mixed 63% · keyed-tone 37% · tone 533 Hz · keying 0.30 Hz depth 0.93
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 6.3 MB ⤓ Opus 1611 kB { }
What was heard
mixed 63% · keyed-tone 37% · tone 533 Hz · keying 0.30 Hz depth 0.93 — dominant tone 533 Hz, keyed at 0.3 Hz (depth 0.93). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, South West England, UK (IO80qr) · Switched · reported SNR 35 dB — thanks to the operator. Receivers
Provenance
sha256 0c96012a410512a322f225c3b4355916bc52d837e0daf74417e6238ffd4221a2
source 06:07 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T0531Z-4625-uvb76-4625
Heard in the record
— linked once the record exists.
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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