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Heinrich Hertz
Hertz proved that you could transmit and receieve eletrical signals. He sent the first eletrical waves. -
Tesla Coil invented
Tesla coil was invented, a component that would be used later on in radios -
Marconi sends the first radio signal
Guglielmo Marconi sends the first radio signal from his labortory over a mile a half. -
Vacuum tube presented
Lee de Forest presents the grid audion, which was a vacuum tube that could amplify electrial signals. -
First Musical Broadcast
A radio broadcast on Christmas Eve was the first to play music in a broadcast. -
Radio saves Titanic surviors
Radio at the time was only able to broadcast morse code, but that didn't stop 700 people from being saved. -
AM Radio gets popular
Amplitude Modulation radio broadcasting starts to grow in popularity and continues to do so for the next 30 years. -
Radios become mainstream
Civilians use radios more often than they did prior to WWI (where military used radios during war). -
First radio station broadcast
KDKA first broadcasted and is considered to be the first radio station. -
First radio commercial
WEAF aired the first radio commerical, which lasted 10 minutes long and costed $50 -
National Barn Dance first airs
Set a standard for other radio programs to be recieved throughout the U.S. at later hours. -
FCC Established
The Federal Communications Commission regulates radio and electrial communications in the U.S. -
FM Radio demostrated
Edwin Armstrong created the FM radio, which uses frequency modulation to transport sound over the radio. It was demostrated before the FCC. -
Command Performance
Command Performance was broadcasted to troops during WWII to raise morale -
Top 40
Top 40s start becoming popular starting in 1960s in which 40 best selling singles would be played
