NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-09-25 18:38:21Z · 03:56 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-09-25 18:38:21Z, 03:56: voice 100% · keying 0.85 Hz depth 0.93
spectrogram 0–6.0 kHz · analysis blocks: voice
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.9 MB ⤓ Opus 1060 kB { }
What was heard
voice 100% · keying 0.85 Hz depth 0.93, keyed at 0.85 Hz (depth 0.93). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Hamburg, Drage, 🇩🇪 Germany 🇩🇪 (JO53dk) · VLF broadband vertical V1.2 08/26 · reported SNR 41 dB — thanks to the operator. Receivers
Provenance
sha256 3b2f9ee23459325f79b5de37069dec49e3654e6cedd8c9d70f55a6a509ad6a7a
source 03:56 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-25T1838Z-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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