Since the middle of the 1970s, radio enthusiasts have been fascinated and perplexed by an odd buzzing signal that keeps repeating on the frequency of 4625 kHz. It has no known operator, no official ...

Russia’s mysterious shortwave radio station UVB-76, widely known as Russia’s “Doomsday Radio” or “The Buzzer,” has sparked fresh global speculation after it unexpectedly began broadcasting music from ...