-
In 1895, Guglielmo Marconi sends and recieves the first radio signal
-
In 1906, Lee De Forest created the audion tube, a vaccum size tube that amplified signals
-
In 1920, Frank Conrad created the first news/music radio called, KDKA
-
In 1922, WEAF aired a 10 minute commercial on their radio station
-
In 1927, after the over population of "Uncle Charles", the FRC was formed to stop the over population of "Uncle Charles"
-
AM waves were divided between FM waves
-
FM waves were to divide from AM waves
-
In the Golden Age of radio, radio had shows to bring family together
-
In the 1930, when tv was invented, shows left radio and went to tv
-
When radio stations lost shows, they went to music, some went to talk. So music went to FM radio because of stronger waves, and AM radio went to AM waves