Many thanks to SWLing Post contributor Fred Waterer, who tipped us off to Patrolling the Ether—a 1944 short film produced by the U.S. Office of War Information. This wartime documentary highlights how amateur radio operators and federal agents collaborated to monitor the airwaves and track down enemy spies. A fascinating glimpse into radio’s role in World War II era homeland security:
Patrolling The Ether: A 1944 Film About Tracking Down Nazis With Radio!
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