NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-24 19:22:55Z · 10:00 · received at Assen | Netherlands

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-24 19:22:55Z, 10:00: voice 53% · keyed-tone 23% · carrier 13% · mixed 10% · tone 369 Hz · keying 0.20 Hz depth 0.94
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.9 MB ⤓ Opus 2603 kB { }
What was heard
voice 53% · keyed-tone 23% · carrier 13% · mixed 10% · tone 369 Hz · keying 0.20 Hz depth 0.94 — dominant tone 369 Hz, keyed at 0.2 Hz (depth 0.94). 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 42 dB — thanks to the operator. Receivers
Provenance
sha256 408f733ab6dc7f6ee5df05441e5a86234ab52a78afbfb51d808a1ddee63669d4
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T1922Z-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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