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 ...

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, ...

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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 ...

Since WWI, strange voices and coded numbers have echoed over shortwave radio. They’re still broadcasting today, sending secrets to unseen listeners. Supreme Court suggests Trump might use Insurrection ...