RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-26 20:14:22Z · 10:00 · received at Assen | Netherlands

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-26 20:14:22Z, 10:00: voice 53% · keyed-tone 27% · carrier 13% · mixed 7% · tone 371 Hz · keying 0.30 Hz depth 0.96 — 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 2625 kB { }

What was heard

voice 53% · keyed-tone 27% · carrier 13% · mixed 7% · tone 371 Hz · keying 0.30 Hz depth 0.96 — dominant tone 371 Hz, keyed at 0.3 Hz (depth 0.96). 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 45 dB — thanks to the operator. Receivers

Provenance

sha256 20ab239ca43831e0638e1bdb861d66d4a85dc28ffb67adb1297e789ff8fe270d
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-26T2014Z-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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