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Hertz
In the 1800s Heinrich Hertz learned that through electromagnetic waves, electricity can be transmitted. -
Telsa on Radio
Telsa propsed an idea to trasmit intell & wireless power using the earth as a medium. -
Radio service
Radio telegraphy service instituted in five Hawaiian islands -
Transatlantic Message
An Italian inventor sent the first successful transatlantic telegraph message -
Radio & The Weather
The U.S. Weaher Bureau used radiotelegraphy to take notice of weather conditions faster. -
Radios Voice
radio got its first voice on Christmas eve 1906 when ships, and radio opperators listend for traffic messages. -
The Golden Age of Radio
The 1920s-1940s were called "The Golden Age" for radio. During this period radio was revolutionized. -
Commercial Station Apperance
First radio commercial station hit the air in pennsylvania -
Superhetrodyne
In 1923 Edwin Armstrong invented a radio called the superhetrodyne radio -
Car Radio
Galvin Corp. introduced one of the first cars with radio installation. -
The Transistor
The transistor was introduced and made radios more compact