NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-26 04:00:51Z · 03:26 · received at Brettnach F57320

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-26 04:00:51Z, 03:26: voice 55% · keyed-tone 36% · carrier 9% · tone 422 Hz · keying 0.95 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 3.4 MB ⤓ Opus 898 kB { }
What was heard
voice 55% · keyed-tone 36% · carrier 9% · tone 422 Hz · keying 0.95 Hz depth 0.97 — dominant tone 422 Hz, keyed at 0.95 Hz (depth 0.97). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Brettnach F57320 (JN39GG) · vertical · reported SNR 41 dB — thanks to the operator. Receivers
Provenance
sha256 db2b72ba093ad155c8105be5f637b3cd1094f5a94b7fe909463a5987c37cd366
source 03:26 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-26T0400Z-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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