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 ...

Fig. 1: A page from the author’s SWL Logbook from 1992 showing the date, time, frequency and partial transcript of a numbers station transmission. In the early 1990s, at the end of the Cold War and ...

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 ...

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 ...

The Buzzer, also known as UVB-76 or UZB-76, has been a constant companion to anyone with a shortwave radio tuned to 4625 kHz. However, [Ringway Manchester] notes that there is now a second buzzer ...

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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 ...

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 ...