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NIL HEARDRECEPTION LOG

4XZ Israeli Navy Haifa, night CW marker 6607 kHz

tier B · 6606.2 kHz · 4 captures · 40:01 received

Field notes from the target list

4xz-6607: 4XZ Israeli Navy Haifa, night CW marker 6607 kHz — The night face of 4xz-10156. Twente WebSDR: 440 spots June 2025 to 2026-09-27, most at 23Z; 4331 (371) and 2680 (252) run in parallel and are the alternatives. Listeners describe "3 beeps, then 2, then 1" and "a beep every 11 s, then carrier" — the idle pattern between traffic is the material. Expect morse / carrier.

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