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Using a simple spark-gap transmitter sent a wireless telegraphic signal approximately 1 1/2 miles across his father's Italian estate
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First person to transmit signals across the Atlantic Ocean
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During the war, the military used it almost exclusively and it became an invaluable tool in sending and receiving messages to the armed forces.
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The first broadcasters .
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Radio first hit show
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NBC was the first broadcasting company
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He is the person who created FM radio
