The story of electromagnetic spectrum operations (EMSO) continues with the birth of radar. With wireless communications paving the way, these technologies led to the early use of electromagnetic warfare from World War I through the US entering World War II, following the attack on Pearl Harbor. In this episode, Mr. Ray Chase from the Information Age Learning Center and Mr. Mike Simmons from the National Electronics Museum share the story about early radar development and electromagnetic warfare in the early 20th Century. Since the dawn of the Electronic Age and the years following World War I, new advances came from Marconi’s invention of wireless communications. Radio jamming, direction-finding stations and air-to-ground communications displayed major advantages for reconnaissance. But as we find out in today’s story, these advances would come to serve an even greater purpose in the Second World War.

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The AOC thanks BAE Systems for sponsoring this episode.

*Trigger warning, sounds of war in episode