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James Clerk Maxwell predicted the existence of radio waves.
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The first radio signal has been received by Guglielmo Marconi.
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Marconi flashed the first wireless signal across the English Channel and two years later received the letter "S".
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Guglielmo Marconi got the radio patented.
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Marconi established the American-European radiotelegraph service.
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Marconi won the Nobel Prize for the radio.
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Radiotelephony services were linking Europe and North America.
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Edwin Howard Armstong created the frequency modulated FM radio
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The first FM antenna system in the world was created.