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Marconi
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. -
Audion tube
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. -
Radio stations
8XK, later renamed KDKA with Frank Conrad , still is here broadcasting in Pittsburg , Pennsylvania . -
music
they started putting music on the radio so people could be happy listening to music -
Dawn of advertising
when the station started making money . WEAF aired a 10 minute commercial for an apartment complex for $50 -
family medium
the whole family can enjoy radio together music, stories, comedies and drams -
FRC
Saying Uncle charge was too popular. organizes the license of transmitters. assigns radio station frequencies , call letters,and power limits. -
Golden era
during the Great- Depression , people didn't have a lot of money -
Transitor
future of radio and radio television is provided by John Bardeen , Walter Brattain ,and William Shockley . -
cathode ray tube
RCA beats out rival CBS, when the national television system committee adopts RCA 's new system -
advertising
advertising is accepted on WCBN-AM -
radio receivers
the number of radio receivers in the world exceeds the number of newspapers printed daily -
WCBN
WCBN hosts the first National Association of College Broadcasters -
stereophonic sound
United States radio stations begin broadcasting in stereophonic sound -
FM radio stations
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.
