NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-26 13:15:51Z · 10:00 · received at Wessex - KiwiSDR - G8JNJ - South West UK

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-26 13:15:51Z, 10:00: voice 50% · keyed-tone 23% · carrier 17% · mixed 10% · tone 371 Hz · keying 0.85 Hz depth 0.98
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.7 MB ⤓ Opus 2632 kB { }
What was heard
voice 50% · keyed-tone 23% · carrier 17% · mixed 10% · tone 371 Hz · keying 0.85 Hz depth 0.98 — dominant tone 371 Hz, keyed at 0.85 Hz (depth 0.98). 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 32 dB — thanks to the operator. Receivers
Provenance
sha256 ebd0ea74ac6eefa7a02e71bc11989126dcd0c1a6a8cbc6479dd39257f367f473
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-26T1315Z-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.
Related