NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-09-24 18:52:30Z · 03:46 · received at Brettnach F57320

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-09-24 18:52:30Z, 03:46: voice 67% · mixed 25% · keyed-tone 8% · tone 398 Hz · keying 0.70 Hz depth 0.92
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.8 MB ⤓ Opus 988 kB { }
What was heard
voice 67% · mixed 25% · keyed-tone 8% · tone 398 Hz · keying 0.70 Hz depth 0.92 — dominant tone 398 Hz, keyed at 0.7 Hz (depth 0.92). 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 39 dB — thanks to the operator. Receivers
Provenance
sha256 c888ed83cbbf5fcbcef97fbedf54d2bdfbfa0f3ed0594ecfce6a818145fdab3d
source 03:46 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T1852Z-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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