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where it came from
Maarconi, an italian inventor that made send and recived first radio signal in 1895 -
Period: to
radio history
still to this day -
audion tube
lee de forest created a vacuum tube amplified siganls -
radio station
8xk later renamed kdka, created by frank conrad started in pittsburg, pensylvania -
charlie
uncle charie a personal radio stations in your own basement -
advertising
weaf aired a 10mins commercial or tall roadcast for apartment complex charging $50 -
frc
uncle charlie was to popular. established FRC in 1927, organize the licencsing of transmitters
asssiging radio station frequencies, call letters, and power limits -
call letters
w- east of mississippi river
k- west of mississippi river -
am waves and fm waves
amplitude modulation-to change frequency modulation -
Period: to
golden era
middles of depression with was hurting for money -
radio's demise
tv makes appearance in the late 30s
popularity grew advertisers went to tv
radio lost money -
family medium
big band music/ story hour/ drames
family agrees on tv shows and movies -
radio's progression
major edwin armstrong invented the fm, which made stronger signals and higher quality sound
talk on am
music on fm