NIL HEARDRECEPTION LOG

Shannon VOLMET aviation weather

tier A · voice

8957 kHz USB · 2026-09-19 18:28:17Z · 10:00 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of Shannon VOLMET aviation weather, 8957 kHz USB, 2026-09-19 18:28:17Z, 10:00: voice 70% · mixed 30% · keying 0.85 Hz depth 0.76
spectrogram 0–6.0 kHz · analysis blocks: voice mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.3 MB ⤓ Opus 2572 kB { }
What was heard
voice 70% · mixed 30% · keying 0.85 Hz depth 0.76, keyed at 0.85 Hz (depth 0.76). 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 91553e6d911f6936415a5b351305c3452f05a6f7f4673d3c1435007ad5a7910f
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-19T1828Z-8957-volmet-8957
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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