NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-20 21:26:16Z · 07:55 · received at Assen | Netherlands

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-20 21:26:16Z, 07:55: voice 42% · keyed-tone 33% · carrier 25% · tone 369 Hz · keying 0.28 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 7.7 MB ⤓ Opus 2069 kB { }
What was heard
voice 42% · keyed-tone 33% · carrier 25% · tone 369 Hz · keying 0.28 Hz depth 0.97 — dominant tone 369 Hz, keyed at 0.28 Hz (depth 0.97). 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 46 dB — thanks to the operator. Receivers
Provenance
sha256 7eaf7a09ccc37444f654c40d0d16f3ee9d21ab1a4895f4e20a363b6185d56f86
source 07:55 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T2126Z-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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