NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-09-20 18:54:01Z · 02:10 · received at Heppen, Limburg, Belgium

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-09-20 18:54:01Z, 02:10: voice 100% · keying 0.75 Hz depth 0.86
spectrogram 0–6.0 kHz · analysis blocks: voice
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.1 MB ⤓ Opus 518 kB { }
What was heard
voice 100% · keying 0.75 Hz depth 0.86, keyed at 0.75 Hz (depth 0.86). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Heppen, Limburg, Belgium (JO21oc) · Longwire 54m top 70m above sealevel · reported SNR 38 dB — thanks to the operator. Receivers
Provenance
sha256 3ee8ce3efcb32057c829fe18c65ec40a2e330d0e49bc4d945e89b148e82e8bb8
source 02:10 WAV, 12000 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T1854Z-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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