NIL HEARDRECEPTION LOG

VLF Israel 29.7 kHz submarine broadcast

tier A · mixed

28.7 kHz USB · 2026-10-06 10:22:57Z · 10:00 · received at 52249 Eschweiler - Germany

Spectrogram of VLF Israel 29.7 kHz submarine broadcast, 28.7 kHz USB, 2026-10-06 10:22:57Z, 10:00: mixed 100%
spectrogram 0–6.0 kHz · analysis blocks: mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 11.4 MB ⤓ Opus 2473 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, 52249 Eschweiler - Germany (RF82ci) · MegaAktiv MA305FT (BONITO) 9KHz-300MHz · reported SNR 27 dB — thanks to the operator. Receivers
Provenance
sha256 1246f57026487a64230246b6a5e957b5dc9e0dd620d50de7957886a6ba468388
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T1022Z-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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