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He was an Italian inventor. He sent and received the first radio signal. Was he the first or was it a case of good PR?
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Lee De Forest, created(or borrowed) the audion Tube
It is a vacuum tube that amplified signals.
It is widely believed that a Canadian Inventor, Reginald Fesendan actually came up with the idea but Fessenden didn't seem to make it into the history books for that invention -
8xk, later renamed KDKA
Frank Conrad
Still around Today broadcasting out of Pittsburgh, Pennsylvania -
Personal Radio Station. The dawn of advertising. Weaf aired a 10 minute commercial or toll broadcast, for an apartment complex charging $50.
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Uncle Charie was too popular. FRC organized the licensing of transmitters. Assigning radio station frequencing, call letters, and power limits
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W is east of the mississippi river. K is west of mississippi river
Why assighn call letters? -
Amlitude modulation
535 khz- 1605 khz -
Frequency modulation
88-bc MHz -
Middle of the Great Depression.
People were hurting for $$$
What radio prove to people? -
Amos n Andy, Gunsmoke, The Shadow, Our Miss Brooks, Superman, Dick Tracy, Little Orphan Annie, $64 dollar Question, Who wants to be a millionare?
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The whole family can enjoy it together
Big band music/story hour/ stituational comedies/drama -
Tv Make Appearance
A popularity grew, ads went to tv
TV did to radio what the car did to horse -
They had few options
Juke boxes, records.
Live concerts.
Music on radio filled a void -
Edwin Armstrong invented M which made stronger signals.
Talk AM
Music Fm -
Music Bed helps "punch up" a straight read commercial. Music plays while copy is presented. Music must be appropriate for the style of the spot.