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Marconi invented the radio. If someone created it before him they didn't tell anyone so he is the considered the first
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Lee de forest created the audion Tube
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The crysatal set was the first radio people had in their houses.
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The creation of the first known radio news station called 8MK later called KDKA
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Radio stations started airing advertisments to get money
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People had their own radio ststions called uncle charlie
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Uncle charlie became too popular and listeners started listening to uncle charlies because there weren't commercials and the FRC stops people from making their own radio stations
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Radio stations used call letters to identify themselves
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On January 5, 1940 FM RADIO was made and everyone was forced to buy FM
