"There's absolutely no information in the signal."

For decades now, an odd and mysterious audio signal has operated on the shortwave spectrum. Since the late 1970s, a strange pulsating sound has repeated at 4625 kilohertz. There is never a formal introduction. There are no hosts or music. Only on occasion will a voice step in, and when it does, it reads off some words and names in a monotonous Russian accent before disappearing once more.

No country or agency has ever attempted to claim or explain the signal. Rumors persist about its purpose: everything from a "dead hand" nuclear deterrent controlled by the Russian government to a channel marker acting as a placeholder. However, after more than four decades, the signal's meaning remains unknown to the world at large...



Research & writing by Amelia White

Hosting, production, and writing by Micheal Whelan

Learn more about this podcast at http://unresolved.me

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