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Guglielmo Marconi, an Italian inventor, broadcast the first radio signal. The first signal traveled about a mile. Not getting support from the Italian government to further his development in radio, Marconi moved to England.
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amplifier to catch signals
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8xk, later named KDKA , Frank Conrad
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in 1922 WEAF aired a 10 minute commercial , for an apartment complex for 50 $
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Uncle Charlie was too popular , organize the likening of transmitters .
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W ia east of Mississippi river
K is west of Mississippi river -
the 30s and 40s
the middle of Great Depression - people were hurting for $$$! -
the entire family can enjoy it together
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TV make appearance in late 30s
as popularity grew , advertiser went to TV
Radio lost money , Radio shows jumped ship -
Major Edwin Armstrong came up with the FM transmitter . which made the signal stronger for music and better sounding. in order to have an FM transmitter you had to buy a whole new radio set.
