Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-09-18 20:56:29Z · 04:00 · received at TREMOLAT (24), FRANCE

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-09-18 20:56:29Z, 04:00: voice 92% · keyed-tone 8% · tone 381 Hz · keying 0.85 Hz depth 0.93 — spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.0 MB ⤓ Opus 1072 kB { }

What was heard

voice 92% · keyed-tone 8% · tone 381 Hz · keying 0.85 Hz depth 0.93 — dominant tone 381 Hz, keyed at 0.85 Hz (depth 0.93). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.

Receiver

KiwiSDR, TREMOLAT (24), FRANCE (JN04ku) · Vertical pylon isolated 11 meters (ou Mini-Whip dual FET) · reported SNR 43 dB — thanks to the operator. Receivers

Provenance

sha256 16aaff927b4ae1aec90b1b363268d76fb6912f1f28a10999aed028701fc5607c
source 04:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-18T2056Z-5505-volmet-5505

Heard in the record

— linked once the record exists.

Notes

rig: Shannon VOLMET, continuous H24, 5505 kHz USB is the night frequency; after sunset in Ireland at ~21:00Z. Sources: dxinfocentre.com/volmet.htm, skywavelinux.com/quicktune-volmets.html

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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