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he was an Italian inventor , sent and received the first radio signal in 1895. He might have not been the first, but he received the most credit for it.
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Lee De Forest created, (borrowed), the idea for the audion tube . a lot of people thin that the Canadian inventor Reginald Fessenden actually came up with the idea, but he was not put in history for this invention.
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8XK, later renamed KDKA with Frank Conrad , still is here broadcasting in Pittsburg , Pennsylvania .
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they started putting music on the radio so people could be happy listening to music
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when the station started making money . WEAF aired a 10 minute commercial for an apartment complex for $50
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the whole family can enjoy radio together music, stories, comedies and drams
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Saying Uncle charge was too popular. organizes the license of transmitters. assigns radio station frequencies , call letters,and power limits.
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during the Great- Depression , people didn't have a lot of money
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future of radio and radio television is provided by John Bardeen , Walter Brattain ,and William Shockley .
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RCA beats out rival CBS, when the national television system committee adopts RCA 's new system
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advertising is accepted on WCBN-AM
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the number of radio receivers in the world exceeds the number of newspapers printed daily
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WCBN hosts the first National Association of College Broadcasters
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United States radio stations begin broadcasting in stereophonic sound
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in Europe , FM radio stations begin to use the subcarrier signal of FM radio to transmit digital data . This RDS (radio data system) is used to transmit messages on display screens to radios.
