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Some people believe Marconi didn't send the first radio signal.He had good PR
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Lee De Forest "borrowed" the idea for the audion tube from Reginald Fessenden.
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American Radio Relay league was founded
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First Radio Station
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WEAF aired a two minute "commercial" or toll broadcast for an apartment complex charging $50.
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The FRC organized the FRC transmitters, assinged radio station.
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everyone listened to the radio
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Radio is important in U.S. Hoover vs. Roosevelt presidential compaign.
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Fm police radio communication
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"i want to hold your hand" was played on the radio
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Radio signal from human-made object at mars, mariner 4
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"big boy" by the Jackson 5 was played
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michael jacksons song "thriller" was played on the radio
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Sirius Satellite Radio
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Digital radio mondiale
