NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-21 03:40:00Z · 10:00 · received at Assen | Netherlands

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-21 03:40:00Z, 10:00: voice 83% · mixed 13% · keyed-tone 3% · tone 372 Hz · keying 0.88 Hz depth 0.77
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.3 MB ⤓ Opus 2536 kB { }
What was heard
voice 83% · mixed 13% · keyed-tone 3% · tone 372 Hz · keying 0.88 Hz depth 0.77 — dominant tone 372 Hz, keyed at 0.88 Hz (depth 0.77). 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 41 dB — thanks to the operator. Receivers
Provenance
sha256 3ac3f4e5aaf22df903830ddeb1cad7852dc87bf144cf7baa21750a8915570dd5
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T0340Z-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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