-
The Radio Patent
The first official patent for the radio was made for Guglielmo Marconi -
First signal
Marconi sent the first trans-Atlantic signal from Ireland to Canada. -
Early improvements
Reginald Fessenden worked with General Electric to create alternators that could sustain a consistent broadcast wave with enough power to transmit voices and music over thousands of miles. -
The start of radio broadcasting
Guglielmo Marconi sold his equipment to General Electric who created the Radio Corporation of America. -
Period: to
The Radio is Everywhere
Universities started to offer radio-based courses, churches started broadcasting their services, and newspapers started creating tie-ins with the radio broadcast. -
A lot of broadcasters
There were 576 licensed radio broadcasters. -
Period: to
Rising Stock
The stock price went from $85 to $500. -
Everyone Has One
About 80% of America's population owned a radio.