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The Beginning
Heinrich Hertz proves that you can send and receive electronic waves wireless. -
The Tesla Coil
Nikola Tesla develops the Tesla Coil which can transmit electricity wirelessly. This laid dow the basics for modern radio towers. -
From Over the Pond
Guglielmo Marconi send the first transatlantic radio signal from the U.S. to the U.K. -
We Need More Power
The Audio Tube is developed as the first amplifier to push waves further by providing more power to the signal. -
Time to Make Money
The radio station WEAF broadcasts the first commercial on air in 1922. -
The Federal Radio Commission
With the rise of radio broadcasting, the Federal Radio Commission (known as the Federal Communications Commission today) created call letters, power limits, and licensing laws. -
More Regulation
The FRC further regulates radio broadcasting by assigning letter for stations East and West of the Mississippi. -
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The Golden Era of Radio
Withe the Great Depression and War negatively affecting Americans, radio became an escape for them as they would listen to the radio with their family as a pastime. The diversity of radio also flourished with music, comedic, and dramas growing in popularity. -
FM Radio
Edwin Armstrong creates FM radio with a higher dynamic range for music. -
The Decline of Radio
With the explosion of TV, radio saw a decline in popularity in the 1950s.
