NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-09-23 18:01:48Z · 10:00 · received at Heppen, Limburg, Belgium

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-09-23 18:01:48Z, 10:00: voice 87% · mixed 13% · keying 0.45 Hz depth 0.75
spectrogram 0–6.0 kHz · analysis blocks: voice mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.0 MB ⤓ Opus 2471 kB { }
What was heard
voice 87% · mixed 13% · keying 0.45 Hz depth 0.75, keyed at 0.45 Hz (depth 0.75). 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 37 dB — thanks to the operator. Receivers
Provenance
sha256 b52842a391892ac69e68d64d9d268ac42738e5031588cf59d98da361a410837e
source 10:00 WAV, 12000 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T1801Z-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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