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Marconi's Signals
Marconi an Italian Inventor,sends the first radio signals.Some say that he just had good PR.The signas he sent were NOT music but instead,mores code. -
Audion Tube
Created by Lee De Forest.The Audion Tube amplified signals for radio.Widely belived the it was created by Reginald Fessenden a Canadian invetor -
The First Radio Station
Made in 1920,KDKA was the first Radio station.It was the originally called 8XK.This Sation was made by Frank Conrad it still exist today in Pennsivaniya -
Radio Commercial
Started in 1922,the first commercial aired on the air waves. THe commercial was about a apartment complex chariging $50.WEAF aired this commercial -
Uncle Charlie
Uncle Charlie's were owned by one person.You could brodcast what you wanted.Also,your friends and famliy could here you on there radios -
FRC
Later changed to the FCC,these people realized that Uncle Charlies were to popular.So they made people get licences to brodcast on the radio.They assigned radio station frequencies,call letters<and power limits. -
Golden Era
This was the era of radio.It was in the middle of the Great Depression when pepole were hurting for cash.Radio provided a escape from the sadness in pepoles life. -
Radio's Demise
When TV's appeared radios fell.Radio's just weren't as popular as they were.Then they started losing money. -
MUSIC!!
Music came and saved radio.They only had very few choices between jukeboxes,records,and live concerts.But this helped the void left by driving to place to place -
Radio Evolved
Edwin Armstrong created the Fm transmitter.This helped with stronger signals and higher quality sounds.AM radio only played talks while FM played music.
