Shannon VOLMET aviation weather

tier A · mixed

8957 kHz USB · 2026-09-20 12:19:49Z · 10:00 · received at Montmorillon 86500 FRANCE

Spectrogram of Shannon VOLMET aviation weather, 8957 kHz USB, 2026-09-20 12:19:49Z, 10:00: mixed 50% · voice 33% · keyed-tone 17% · tone 495 Hz · keying 0.70 Hz depth 0.89 — spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone mixed

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.4 MB ⤓ Opus 2579 kB { }

What was heard

mixed 50% · voice 33% · keyed-tone 17% · tone 495 Hz · keying 0.70 Hz depth 0.89 — dominant tone 495 Hz, keyed at 0.7 Hz (depth 0.89). 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 35 dB — thanks to the operator. Receivers

Provenance

sha256 4db52f314cf473d650f861e6ea2fd048a3d83931e19cfab5593c952cb4f30576
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T1219Z-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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