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NSA/CSS on Twitter: "During the Vietnam War, the Army used PRD-1 direction- finder with an R395 receiver to find the direction of enemy radio transmitters. They were dangerous to use in the
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A Positive Frequency - Vietnam Era radio operator honored 50 years after heroic efforts > 10th Air Force > Article Display
PHUOC TUY PROVINCE, SOUTH VIETNAM. 1968-05. RADIO OPERATOR PRIVATE PETER CLARK, 22, OF ... | Australian War Memorial
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AN_PRC-77 Back-Pack VHF Radio Set-Operation Eagle 1971 and Vietnam War – The Rudolf-Rudi doctrine of Spiritualism
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They Assumed the Enemy in Vietnam Was Incapable of Intercepting Radio Communications. They Were Wrong
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