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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. -
it produced high voltage , low current, high frequency alternating current electricity. It was widely used in radio. -
In 1901Marconi made the first transatlantic message from Ireland to Newfoundland,Canada. -
The first amplifier to help push waves further by producing power to the signal. -
KDKA in Pittsburgh becomes the very first radio station in the US. -
The federal radio commission was created to help clear up station broadcast chaos.