NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-21 09:13:14Z · 06:58 · received at Wessex - KiwiSDR - G8JNJ - South West UK

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-21 09:13:14Z, 06:58: voice 48% · keyed-tone 29% · carrier 24% · tone 372 Hz · keying 0.93 Hz depth 0.97
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 6.8 MB ⤓ Opus 1831 kB { }
What was heard
voice 48% · keyed-tone 29% · carrier 24% · tone 372 Hz · keying 0.93 Hz depth 0.97 — dominant tone 372 Hz, keyed at 0.93 Hz (depth 0.97). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Wessex - KiwiSDR - G8JNJ - South West UK (IO80qr) · (same as Wessex KiWi V1) · reported SNR 32 dB — thanks to the operator. Receivers
Provenance
sha256 83c5f6d347e2a02ad6773e84a462e6f45110b6df71dc680a8b38119faacea810
source 06:58 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T0913Z-5450-volmet-5450
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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