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In 1887 Guglielmo Marconi made the first wireless communication went over the Bristol Channel at a distance of about 4 miles.
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it produced high voltage , low current, high frequency alternating current electricity. It was widely used in radio.
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In 1901Marconi made the first transatlantic message from Ireland to Newfoundland,Canada.
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The first amplifier to help push waves further by producing power to the signal.
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KDKA in Pittsburgh becomes the very first radio station in the US.
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The federal radio commission was created to help clear up station broadcast chaos.