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History of TV and Rdaio
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Transmitted Airborne Electromagnetic Waves
In 1888, Heinrich Rudolf Hertz proved that it was possible to transmit airborne electromagnetic waves -
First Wireless Telegraphy System
Starting in 1894, Guglielmo Marconi finally finished building the first complete, commercially successful wireless telegraphy system. -
First Radio Broadcast
On December 24th, 1906, Reginald Fessenden transmitted the first radio program broadcast. He broadcasted a bible reading and O Holy Night. -
First Radio Factory
Marconi opened the first ever factory for radio in Chelmsford, England in 1912. -
First Radio News Program
The first radio news program was made by station 8MK in Detroit, Michigan in 1920 -
Single Sideband and Frequency Modulation
Single sideband and frequency modulation were invented by amateur radio operators in the early 1930's. -
Commercial television transmissions
Commercial television transmissions started in North America and Europe -
pocket transistor radio
In 1954he Regency company introduced the first pocket transistor radio. -
communication satellite
By 1963, the first radio communication satellite, Telstar, was launched -
radio navigation
In the 1970s, LORAN became the premier radio navigation system. -
GPS
In 1987, the U.S. Navy worked with satellite navigation, creating the GPS in 1987. -
internet radio
Internet radio was started by Carl Malamud. In 1993, he launched "Internet Talk Radio" which was the first computer-radio talk show. -
stream quality
Since 2000, most Internet Radio Stations increased their stream quality as bandwidth became more economical.
