NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-10-03 02:00:15Z · 04:29 · received at Brettnach F57320

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-10-03 02:00:15Z, 04:29: voice 93% · carrier 7% · tone 480 Hz · keying 0.80 Hz depth 0.94
spectrogram 0–6.0 kHz · analysis blocks: voice carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.5 MB ⤓ Opus 1214 kB { }
What was heard
voice 93% · carrier 7% · tone 480 Hz · keying 0.80 Hz depth 0.94 — dominant tone 480 Hz, keyed at 0.8 Hz (depth 0.94). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Brettnach F57320 (JN39GG) · vertical · reported SNR 41 dB — thanks to the operator. Receivers
Provenance
sha256 3365935d6d47b02a7350d3cc12317ae936f21c0073c982276c5232b0d1f234d1
source 04:29 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-03T0200Z-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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