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KY‑45A FRT‑5 U.S. Navy Frequency Shift Keyer Cold War RTTY Module CLEAN — photo 1

Description

KY‑45A/FRT‑5 U.S. Navy Frequency Shift Keyer — Cold War RTTY Module — Clean & Complete. This is an originalU.S. This KY‑45A/FRT‑5 originates from the era when the U.S. Navy maintained worldwide HF communication networks linking shore stations, fleet command, and deployed vessels.

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