NIL HEARDRECEPTION LOG

VLF Israel 29.7 kHz submarine broadcast

tier A · mixed

28.7 kHz USB · 2026-09-27 08:50:06Z · 04:07 · received at Assen | Netherlands

Spectrogram of VLF Israel 29.7 kHz submarine broadcast, 28.7 kHz USB, 2026-09-27 08:50:06Z, 04:07: mixed 100%
spectrogram 0–6.0 kHz · analysis blocks: mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.3 MB ⤓ Opus 1034 kB { }
What was heard
mixed 100%. 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 32 dB — thanks to the operator. Receivers
Provenance
sha256 a2acb8ea703edd9daa80fee8e2ce7a21296d3d0e54c9ee236deb4e721703bc15
source 04:07 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-27T0850Z-28.7-vlf-28700
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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