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The Sprach-Morse Generator, the machine mistaken for a young girl speaking in German. Swedish Rhapsody was a Polish numbers station, operated by the Ministry of Public Security (later Office of State Protection and Foreign Intelligence Agency) that used AM broadcasting and operated between the late 1950s and 1998. [2]
A numbers station is a shortwave radio station characterized by broadcasts of formatted numbers, which are believed to be addressed to intelligence officers operating in foreign countries. [1] Most identified stations use speech synthesis to vocalize numbers, although digital modes such as phase-shift keying and frequency-shift keying , as well ...
Download QR code; Print/export Download as PDF; Printable version; ... It was the first fully transistorised full-duplex online cipher machine used by the British ...
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The VIC cipher can be regarded as the evolutionary pinnacle of the Nihilist cipher family.. The VIC cipher has several important integrated components, including mod 10 chain addition, a lagged Fibonacci generator (a recursive formula used to generate a sequence of pseudorandom digits), a straddling checkerboard, and a disrupted double transposition.
However, after the Cold War, the number of numbers stations greatly decreased. [8] The Lincolnshire Poacher remained operating after the end of the Cold War, and continued to be broadcast into the next two decades. [4] Akrotiri, Cyprus, the believed location of the Lincolnshire Poacher's broadcasts and radio antennas.
Intelligence shortcomings, as we see, have a thousand fathers; secret intelligence triumphs are orphans. Here is the unremarked story of "the Farewell dossier": how a CIA campaign of computer sabotage resulting in a huge explosion in Siberia — all engineered by a mild-mannered economist named Gus Weiss — helped us win the Cold War.
The SCS program was established in 1978 during the Cold War between the United States and the Soviet Union. [1] [4] [15] As encryption technology increased in sophistication, by the end of the 20th century many coded signals proved unbreakable. Due to this problem, bugging techniques and technologies saw a revival: unable to easily intercept ...