NIL HEARDRECEPTION LOG

VLF Israel 29.7 kHz submarine broadcast

tier A · mixed

28.7 kHz USB · 2026-10-04 18:40:53Z · 09:59 · received at Assen | Netherlands

Spectrogram of VLF Israel 29.7 kHz submarine broadcast, 28.7 kHz USB, 2026-10-04 18:40:53Z, 09:59: mixed 100%
spectrogram 0–6.0 kHz · analysis blocks: mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.2 MB ⤓ Opus 2621 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 43 dB — thanks to the operator. Receivers
Provenance
sha256 b404610b180186972b4bf7c62e9fbf454b20e538b2aefff20a0e31e4b41c4c57
source 09:59 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-04T1840Z-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.
Related