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Electricity and Magnetism
Hans Christian Ørsted discovers the relationship between electricity and magnetism, both very important for components used in the radio. -
Wireless Power
Tesla conducts experiments with wireless power in Colorado Springs. Wireless power is fundamental because of its use to transmit radio waves. -
First voice transmission
Reginald Fessenden makes the very first voice transmission through airwaves, while weak, a voice transmission was a big breakthrough for transmitting in the future. -
First clear transmission
The very first clear human voice transmission. -
Argentina adopts wireless entertainment
Argentina begins broadcasting entertainment regularly through wireless radio. -
First U.S. commercial broadcast
KDKA becomes the first commercial American broadcasting station. -
FM radio is invented
FM radio, the most commonly used radio, is invented. -
pocket radios
The pocket transistor radio is made available, radio is now portable. -
VOR is introduced
VOR short-range radio replaces AM radio as a form of communication for aircraft navigation. -
TELSTAR was launched
Radio satellite TESLSTAR was launched, proving how far radio has come. -
Navstar GPS is launched
Navstar GPS is launched with a radio navigation system. The GPS satellites provide free information about locations to both the government and civilians. -
Adaptive radio
The U.S. army and DARPA create and launch a type of radio that could change its type by changing its software, further proving the adaptability of radios.