NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-22 02:27:26Z · 10:00 · received at Assen | Netherlands

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-22 02:27:26Z, 10:00: voice 63% · mixed 17% · keyed-tone 10% · carrier 10% · tone 372 Hz · keying 0.95 Hz depth 0.78
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.3 MB ⤓ Opus 2539 kB { }
What was heard
voice 63% · mixed 17% · keyed-tone 10% · carrier 10% · tone 372 Hz · keying 0.95 Hz depth 0.78 — dominant tone 372 Hz, keyed at 0.95 Hz (depth 0.78). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Assen | Netherlands (JO32fx) · Active Loop antenna PAHGOR (serial nr: 001) built by ► PA0EBC ◀ 👍 · reported SNR 43 dB — thanks to the operator. Receivers
Provenance
sha256 34bd0193f80bb888e8d70a9c0a25d792f3db2cff581599373aaeb7ff51398920
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-22T0227Z-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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