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hertz proved he could make a signal go from one place to another without a wire
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Nicola Tesla made is first Tesla coil, which is widely used in radio today
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marconi sent the first transatlantic message from Ireland to Newfoundland Canada.
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Pittsburgh has the first radio broadcasting station in the us
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the first radio commercial was for an apartment complex
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federal communications commission
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after the Great Depression, radio became an escape for people, and shows started blowing up. shows like Amos and Andy, and little orphan Annie
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the amount of radio receivers is higher than newspapers printed daily
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It was reported that Cambridge Consultants had developed the first fully digital radio transmitter
