NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

8957 kHz USB · 2026-09-21 08:30:44Z · 10:00 · received at Montmorillon 86500 FRANCE

Spectrogram of Shannon VOLMET aviation weather, 8957 kHz USB, 2026-09-21 08:30:44Z, 10:00: voice 97% · carrier 3% · tone 498 Hz · keying 0.85 Hz depth 0.88
spectrogram 0–6.0 kHz · analysis blocks: voice carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.1 MB ⤓ Opus 2637 kB { }
What was heard
voice 97% · carrier 3% · tone 498 Hz · keying 0.85 Hz depth 0.88 — dominant tone 498 Hz, keyed at 0.85 Hz (depth 0.88). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Montmorillon 86500 FRANCE (JN05ot) · Antenna Shared Apex SAL 30 array solution · reported SNR 39 dB — thanks to the operator. Receivers
Provenance
sha256 7139511ac3073309d5605a479b943f939f09863148e7fb2c1bb92fac30776812
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T0830Z-8957-volmet-8957
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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