RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-18 21:02:12Z · 04:00 · received at Wessex - KiwiSDR - G8JNJ - South West UK

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-18 21:02:12Z, 04:00: voice 75% · keyed-tone 25% · tone 369 Hz · keying 0.95 Hz depth 0.97 — spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.9 MB ⤓ Opus 1052 kB { }

What was heard

voice 75% · keyed-tone 25% · tone 369 Hz · keying 0.95 Hz depth 0.97 — dominant tone 369 Hz, keyed at 0.95 Hz (depth 0.97). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.

Receiver

KiwiSDR, Wessex - KiwiSDR - G8JNJ - South West UK (IO80qr) · (same as Wessex KiWi V1) · reported SNR 40 dB — thanks to the operator. Receivers

Provenance

sha256 ff3af9573e3a6e613f7b3d25dc8b54e40707937cd0b8b00cff78657d7bd676df
source 04:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-18T2102Z-5450-volmet-5450

Heard in the record

— linked once the record exists.

Notes

rig: RAF VOLMET St Eval, continuous H24 on 5450/11253 USB; synthetic voice reading METARs for UK/NATO airfields. Sources: dxinfocentre.com/volmet.htm, shortwave.live RAF Volmet

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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