NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

8957 kHz USB · 2026-10-03 11:41:59Z · 02:22 · received at South West England, UK

Spectrogram of Shannon VOLMET aviation weather, 8957 kHz USB, 2026-10-03 11:41:59Z, 02:22: voice 75% · keyed-tone 12% · mixed 12% · tone 401 Hz · keying 0.75 Hz depth 0.97
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.3 MB ⤓ Opus 643 kB { }
What was heard
voice 75% · keyed-tone 12% · mixed 12% · tone 401 Hz · keying 0.75 Hz depth 0.97 — dominant tone 401 Hz, keyed at 0.75 Hz (depth 0.97). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, South West England, UK (IO80qr) · Switched · reported SNR 33 dB — thanks to the operator. Receivers
Provenance
sha256 0e3f3b18b1f5fa86b20a29becd4b475fe4261791a4baa3e5e040a50f4b81c704
source 02:22 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-03T1141Z-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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