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A Cold War-Era Russian Radio Transmitter Just Broadcast a New Encrypted Message, No One’s Been Able to Decipher

A mysterious shortwave radio signal that has puzzled intelligence agencies and amateur radio enthusiasts for decades has once again broadcast a new coded message—one that experts and hobbyists alike ...
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Russia's Cold War-Era Cryptic 'Doomsday Radio' Broadcast Names Latvia, Sparks Fears of Escalation

Russia's mysterious 'Doomsday Radio', a shortwave station that has puzzled experts and radio listeners for nearly 50 years, issued a chilling new broadcast this week. The message contained a series of ...