NIL HEARDRECEPTION LOG

4XZ Israeli Navy Haifa, continuous CW marker

tier B · carrier

10155.2 kHz USB · 2026-10-05 11:12:36Z · 04:52 · received at Kuwait City, Kuwait

Spectrogram of 4XZ Israeli Navy Haifa, continuous CW marker, 10155.2 kHz USB, 2026-10-05 11:12:36Z, 04:52: carrier 60% · morse 27% · mixed 13% · tone 753 Hz · keying 8.96 Hz depth 0.93
spectrogram 0–6.0 kHz · analysis blocks: morse carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.9 MB ⤓ Opus 1213 kB { }
What was heard
carrier 60% · morse 27% · mixed 13% · tone 753 Hz · keying 8.96 Hz depth 0.93 — dominant tone 753 Hz, keyed at 8.96 Hz (depth 0.93). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Kuwait City, Kuwait (LL39) · HyEndFed · reported SNR 20 dB — thanks to the operator. Receivers
Provenance
sha256 5a97a8c943fb9a5cfd6cc4e5f82f3dd63fe26ad32fba92966e012761bbcc45af
source 04:52 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T1112Z-10155.2-4xz-10156
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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