Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-10-02 19:25:29Z · 10:00 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-10-02 19:25:29Z, 10:00: voice 80% · mixed 17% · keyed-tone 3% · tone 396 Hz · keying 0.90 Hz depth 0.93 — spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone mixed

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.9 MB ⤓ Opus 2683 kB { }

What was heard

voice 80% · mixed 17% · keyed-tone 3% · tone 396 Hz · keying 0.90 Hz depth 0.93 — dominant tone 396 Hz, keyed at 0.9 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 42 dB — thanks to the operator. Receivers

Provenance

sha256 e252389a2462fbce6579eda8b517d1e9412a92a288ae7219784172eeb7fe7bca
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-02T1925Z-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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