NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-09-21 19:15:58Z · 10:00 · received at Brettnach F57320

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-09-21 19:15:58Z, 10:00: voice 93% · carrier 3% · mixed 3% · tone 460 Hz · keying 0.82 Hz depth 0.94
spectrogram 0–6.0 kHz · analysis blocks: voice carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.0 MB ⤓ Opus 2661 kB { }
What was heard
voice 93% · carrier 3% · mixed 3% · tone 460 Hz · keying 0.82 Hz depth 0.94 — dominant tone 460 Hz, keyed at 0.82 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 3b5f705b6e13a1b7c7b3197c46ccb725ab4854e832a4ae7cd7abaf618737eeaa
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T1915Z-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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