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The Spy Museum on Twitter: "#ArtifactoftheDay - Communications Eliminator, US (Military Intelligence), 1970s. When activated, this device would jam all radio communications around it then self detonate after its cycle was complete.
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Russian radio intelligence systems "Torn": Cutting edge Russian radio intelligence systems recorded in Donbas. PHOTOS « Photos | Mobile version | Censor.NET
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Roads to the Great War: Sources of Frontline Intelligence: Radio Intercept & Radiogoniometry (Direction Finding)
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116th Signal Radio Intelligence Company. - World War II Operational Documents - Ike Skelton Combined Arms Research Library (CARL) Digital Library
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