NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-21 21:22:57Z · 10:00 · received at TREMOLAT (24), FRANCE

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-21 21:22:57Z, 10:00: voice 37% · keyed-tone 30% · carrier 30% · mixed 3% · tone 372 Hz · keying 0.20 Hz depth 0.97
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.8 MB ⤓ Opus 2619 kB { }
What was heard
voice 37% · keyed-tone 30% · carrier 30% · mixed 3% · tone 372 Hz · keying 0.20 Hz depth 0.97 — dominant tone 372 Hz, keyed at 0.2 Hz (depth 0.97). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, TREMOLAT (24), FRANCE (JN04ku) · Vertical pylon isolated 11 meters (ou Mini-Whip dual FET) · reported SNR 44 dB — thanks to the operator. Receivers
Provenance
sha256 c793b2dd98d0441cc504609b67a3e947c06ddc4e51747af0374b1520e79936c7
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T2122Z-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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