NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-09-23 00:28:34Z · 10:00 · received at Brettnach F57320

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-09-23 00:28:34Z, 10:00: voice 83% · mixed 13% · carrier 3% · tone 434 Hz · keying 0.75 Hz depth 0.95
spectrogram 0–6.0 kHz · analysis blocks: voice carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.9 MB ⤓ Opus 2681 kB { }
What was heard
voice 83% · mixed 13% · carrier 3% · tone 434 Hz · keying 0.75 Hz depth 0.95 — dominant tone 434 Hz, keyed at 0.75 Hz (depth 0.95). 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 569bb53380a1b34b13f804f863950bbccff9711438a2d6d3238a51d93616b484
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T0028Z-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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