What it’s about: Some time after World War II (if not earlier), shortwave radio broadcasts started appearing with no obvious purpose. A synthesized voice, usually female-sounding, would read out a ...

Numbers stations are mysterious, unsettling, and one of the strangest things you'll ever hear. They're shortwave radio stations that send coded messages to undercover spies all over the world—an odd ...

Grab a shortwave radio, go up on your roof at night, turn on the radio, and if the ionosphere is just right, you’ll be able to tune into some very, very strange radio stations. Some of these stations ...

[Ringway Manchester] has an interest in numbers stations. These mysterious stations send presumably coded numbers or other coded information. However, it is rare that anyone claims credit for these ...

For more than a hundred years, innocent radio operators have occasionally stumbled upon a seemingly sinister secret: Radio stations set up by spy agencies. These stations, known as “numbers stations,” ...

In the shadowy corners of the shortwave radio spectrum, you can often find mysterious mechanical voices counting off endless strings of numbers -- in English, Czech, Russian and German … even Morse ...

The output of a mysterious radio station in Russia, which has been broadcasting the same monotonous signal almost continuously for 20 years, has suddenly changed. Numbers stations are shortwave radio ...

There are two kinds of dedicated radio listeners. Most are those who listen regularly to their FM or AM station of choice, or to a station that only broadcasts on the internet. The rest are dedicated ...