NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-10-05 18:21:59Z · 10:00 · received at Assen | Netherlands

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-10-05 18:21:59Z, 10:00: voice 97% · carrier 3% · tone 407 Hz · keying 0.75 Hz depth 0.95
spectrogram 0–6.0 kHz · analysis blocks: voice carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.9 MB ⤓ Opus 2696 kB { }
What was heard
voice 97% · carrier 3% · tone 407 Hz · keying 0.75 Hz depth 0.95 — dominant tone 407 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, Assen | Netherlands (JO32fx) · Active Loop antenna PAHGOR (serial nr: 001) built by ► PA0EBC ◀ 👍 · reported SNR 43 dB — thanks to the operator. Receivers
Provenance
sha256 ba02e8c06c6acaf8c75efefe2c59a306121d75489ea61b576599fb6d357cd082
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T1821Z-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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