NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-20 04:32:44Z · 04:26 · received at Brettnach F57320

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-20 04:32:44Z, 04:26: voice 64% · carrier 21% · keyed-tone 14% · tone 349 Hz · keying 0.90 Hz depth 0.96
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.3 MB ⤓ Opus 1168 kB { }
What was heard
voice 64% · carrier 21% · keyed-tone 14% · tone 349 Hz · keying 0.90 Hz depth 0.96 — dominant tone 349 Hz, keyed at 0.9 Hz (depth 0.96). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Brettnach F57320 (JN39GG) · vertical · reported SNR 43 dB — thanks to the operator. Receivers
Provenance
sha256 a3de2f9177f6db80149f8c8806f8a53c5519edbd92902a854d8b7000ff22bf18
source 04:26 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T0432Z-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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