The mysterious radio station UVB-76, thought to be linked to Russia's military, has been broadcasting since the 1970s on 4625 kHz and is occasionally interrupted by voice transmissions which prompt ...
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 ...
It’s March 1968, and frantic Russian radio chatter fills American intercept stations. Every Soviet warship in the Pacific fleet desperately trawls the ocean. It can only mean one thing: the Soviets ...