NIL HEARDRECEPTION LOG

RAF VOLMET

tier A · voice

5450 kHz USB · 2026-09-25 01:32:01Z · 02:37 · received at Assen | Netherlands

Spectrogram of RAF VOLMET, 5450 kHz USB, 2026-09-25 01:32:01Z, 02:37: voice 88% · carrier 12% · tone 357 Hz · keying 1.00 Hz depth 0.75
spectrogram 0–6.0 kHz · analysis blocks: voice carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.7 MB ⤓ Opus 664 kB { }
What was heard
voice 88% · carrier 12% · tone 357 Hz · keying 1.00 Hz depth 0.75 — dominant tone 357 Hz, keyed at 1.0 Hz (depth 0.75). 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 d96be1e72dd504f5b63683eec68fcbd9af609cfc0adbdb6882a9d74425ff244b
source 02:37 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-25T0132Z-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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