NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-09-20 04:01:09Z · 10:00 · received at Assen | Netherlands

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-09-20 04:01:09Z, 10:00: voice 83% · mixed 13% · keyed-tone 3% · tone 396 Hz · keying 0.85 Hz depth 0.94
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.8 MB ⤓ Opus 2704 kB { }
What was heard
voice 83% · mixed 13% · keyed-tone 3% · tone 396 Hz · keying 0.85 Hz depth 0.94 — dominant tone 396 Hz, keyed at 0.85 Hz (depth 0.94). 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 42 dB — thanks to the operator. Receivers
Provenance
sha256 1d2f3eb906c3fb53ac496fda336910eb392c90d81b7e00ba350ffab572d1997b
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T0401Z-5505-volmet-5505
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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