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Marconi
An italian inventor named Marconi was the first to send and recieve a radio signal. -
Audion Tube
Lee De Forest invented or borrowed the idea of the Audion Tube which amplified radio signals. People say that a Canadian inventor named Reginald Fessenden actually came up with the idea. -
Radio Station KDKA
First radio station,8XK, that was later named KDKA. The station is still around today. -
Advetising
In February 1922, AT&T announced they would begin selling "toll broadcasting" to advertisers, in which businesses would underwrite or finance a broadcast, in exchange for being mentioned on the radio.WEAF of New York is credited with airing the first paid radio commercial, on August 28, 1921. -
FRC
FRC was established in 1927. Organizes the licensing of transmitters. Uncle Charlie was too popular. -
Golden Era
In the middle of the Great Depression, radio got really popular. There where alotof famous shows that aired on the radio. -
Tv
As popularity grew,Advertisers moved to tv. The radio loses money so the shows stop airing. " Tv will do to radio what the cars did to the horses'. -
Music
Music became popular on the radio because before radio the only way to listen to music was to actually buy records, go to concerts, or listen on Jukeboxes. -
radio progression
Major Edwin Armstrong invented the FM radio. Listeners were forced to buy new radio sets. Talk on AM and music on FM.