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Key terms: about numbers stations acknowledged antenna broadcasting cherry ripe cold war cuban designation direction finding encoded espionage frequency hf indicates a station broadcasting interference interfering jammer jamming khz kw lincolnshire poacher listening message modulation monitoring nicknames number stations numbers numbers stations pad prelude propagation publicly receiving recordings s article shortwave signals some stations spies spoken numbers spy station tech transmissions transmitted transmitter united states ussr utc Search external links cited by footnotes on Wikipedia page Numbers station: |
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