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 ...

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SEOUL (Reuters) - As a scratchy rendition of Beethoven's Piano Sonata No 8 fades into a sea of shortwave radio static, a robotic female voice starts speaking in Korean. "Number 1913, number 1913, ...

Washington, D.C. (CTV Network) — In a world of mobile phones, satellites and the internet, some old school technology is making a major comeback. The shortwave radio, used by spies for decades to send ...

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 ...

The second season of The Divided Dial, a series by WNYC's On the Media, explores the ideological battles playing out on shortwave radio, which can reach across continents. NINA MOINI: We've been ...

Last Saturday, more than 150 listeners across the U.S., Italy, France and Japan huddled by their radios to decipher a series of Morse Code transmitted by the Maritime Radio Historical Society. MRHS ...

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 world, ...

For much of the last century, shortwave radio was the only way to hear broadcasts from far away. Like many other listeners, producer David Goren fell in love with the sound of the shortwave bands.