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Marconi
• An Italian inventor • First person to send and receive radio signal• Was the first or was it a case of good PR -
Period: to
radio history
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audion tube
• In 1906 Lee De Forest created or borrowed the audion tube, a vacuum tube that amplified signals• It amplifies and makes a radio signal go farther than it normally would without about 4 times more -
first Radio staion
• 1920 a radio station called kdka created by Frank Conrad • Still around today broadcasting in Pittsburgh -
the dawn of advertising
• In 1922 WEAF aired a 10-minute ‘commercial’ or toll broadcast, for an apartment complex charging 50. -
call letters
• W is east of the Mississippi river• K is west of the Mississippi river -
AM waves
• Amplitude modulation- changing the amp of the wave or the height• 535KHz - 605 KHz -
Fm waves
• Frequency modulation- change frequency• 88 – 108 MHz -
Uncle Charlie
• Was too popular• Established FRC in 1927• Organize the licensing of transmitters• Assigning radio station frequencies, call letters, and power limits -
Golden Era
• the 30’s and 40’s• Middle of the Great Depression- people were hurtin’ for $$$$$$!• Provide an escape for people -
family medium
• The entire family can enjoy it together
• Big band music/story hour/situational comedies/dramas -
radio's demise
• TV makes appereance in the late 30’s
• As popularity grew, advertisers went to TV
• Radio lost money, radio show jumped ship
• “TV will do to radio what the car did to horses -
music
• Jukeboxes• Records • Live concerts -
radio progression
• Major Edwin Armstrong invented the FM transmitter, which made for a stronger signal and higher quality sound. Listeners were forced to buy new radio sets• Talk on AM• Music on FM -
radio vs.
• Pandora
• Spotify
• YouTube
• ITunes
• Last FM
• Sirius xm
