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Marconi
Itailian Inventor
Sent and recieved first Radio signal in 1895 -
Audion Tube
In 1906, Lee de forest, created the audion tube, a vaccum tube that amplified signals. -
Radio Stations
8XK later renamed KDKA Frank Conrad still around today broadcasting out of pittsburgh, pennslyvania -
Uncle Charlie
Personal Radio Station -
The dawn of adver.
WEAF aired a 10min. commercial or toll broadcast. For an appointment complex chargetime 50$ -
FRC
Uncle Charlie was to popular, establish FRC in 1927 -
Call Letters
W is East of the miss. river
K is West of the miss. river -
AM and FM Waves
Amplitude modulation
535 KHz-1605KHz
Frequency modulatoin
88-108 MHz -
Golden Era
the 30's and 40's middle of great depression people for $$$ -
Radio's Progression
Major Edwin Armstrong invented the FM transmitte which made for a stronger signed and higher quality sound -
Radio's Progression 2
Talk on Am
Music on FM -
Family Medium
the entire family can enjoy it together, music, history, and situational -
Famous shows
Amos n Andy, Superman, GunSmoke, etc. -
Why music
Juke boxes Records and live concerts