Shannon VOLMET aviation weather

tier A · voice

5505 kHz USB · 2026-09-19 19:53:52Z · 10:00 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of Shannon VOLMET aviation weather, 5505 kHz USB, 2026-09-19 19:53:52Z, 10:00: voice 90% · mixed 7% · keyed-tone 3% · tone 407 Hz · keying 0.95 Hz depth 0.94 — 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 2692 kB { }

What was heard

voice 90% · mixed 7% · keyed-tone 3% · tone 407 Hz · keying 0.95 Hz depth 0.94 — dominant tone 407 Hz, keyed at 0.95 Hz (depth 0.94). 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 43 dB — thanks to the operator. Receivers

Provenance

sha256 44d55fb6239a3598947efe0dcd011f07066cc77eeb8f3aae475bdba9c0f66e37
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-19T1953Z-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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