NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-18 22:49:30Z · 07:40 · received at Montmorillon 86500 FRANCE

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-18 22:49:30Z, 07:40: voice 39% · carrier 30% · keyed-tone 30% · tone 396 Hz · keying 0.32 Hz depth 0.94
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 7.7 MB ⤓ Opus 2001 kB { }
What was heard
voice 39% · carrier 30% · keyed-tone 30% · tone 396 Hz · keying 0.32 Hz depth 0.94 — dominant tone 396 Hz, keyed at 0.32 Hz (depth 0.94). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Montmorillon 86500 FRANCE (JN05ot) · Antenna Shared Apex SAL 30 array solution · reported SNR 43 dB — thanks to the operator. Receivers
Provenance
sha256 c086d88ded38db256d03e1470ea0daf21c0fc113d5a6a34756ca70947f9fce7f
source 07:40 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-18T2249Z-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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