NUMBERS STATIONS. Not a relic of the past. Intelligence agencies use shortwave to communicate with spies, agents and assets ...

Numbers stations are a mysterious phenomenon of shortwave radio dating back to the Cold War. The radio signals are secret messages sent by intelligence agencies to undercover spies all over the ...

A popular shortwave Russian radio station dubbed “UVB-76” has been an enigma for decades. But its recent messages have turned ...

Shortwave changed the way spies communicate, sending cryptic messages on so-called number stations which were traced to governments all over the world.

While shortwave may conjure up images of bulky metal boxes filled with vacuum tubes, manufacturers have co-opted microelectronics to greatly improve how their radios operate while reducing size.

For decades, shortwave radio enthusiasts have been stumbling upon mysterious stations that broadcast a looping noise, such as a nursery rhyme, occasionally punctuated by someone reading a string ...

That was one of the presumed purposes to the mysterious shortwave broadcasts known as number stations. These were very common during the cold war, but there are still a few of them operating.

Radio Yahweh has also served as a model for other shortwave stations, mainly in developing countries, who are transforming older AM transmitters into shortwave transmitters, Meyer says.

A Russian shortwave station shrouded in mystery came alive for the first time in months on Monday, prompting renewed ...

The Okeechobee facility is the largest shortwave station in the United States by number of transmitters and antennas, according to the WRMI announcement. It has 13 transmitters, including a dozen 100 ...

Number stations are, apparently, shortwave radio stations that intermittently broadcast random series of numbers: a Cold War communication system that still lingers. Number Stations is an album by ...