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In 1888 Rudolf Hertz proved Maxwell's theory of electromagnetism with his experiment of transmitted airborne electromagnetic waves.
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1896 Marconi was rewarded with a noble prize and and the following year he created a brand new radio station in England
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In 1900, Reginald Fessenden made a weak transmission of voice over the airwaves.
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In 1900, Brazilian priest Roberto Landell de Moura transmitted the human voice wirelessly for a distance of approximately a half mile. One year after that experiment, he received his first patent from the Brazilian government.
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The first radio news program was broadcast August 31, 1920 by station 8MK in Detroit, Michigan
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In 1933, FM radio was patented by inventor Edwin H. Armstrong. FM uses frequency modulation of the radio wave to reduce static and interference from electrical equipment and the atmosphere
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Commercial television transmissions started in North America and Europe in the 1940s. In 1947 AT&T commercialized the Mobile Telephone Service.
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In 1954 Regency introduced a pocket transistor radio, the TR-1, powered by a "standard 22.5V Battery". In 1955, the newly formed Sony company introduced its first transistorized radio
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In 1960 Sony introduced their first transistorized radio, small enough to fit in a vest pocket, and able to be powered by a small battery. It was durable, because there were no tubes to burn out
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Loran-C was a hyperbolic radio navigation system which allowed a receiver to determine its position by listening to low frequency radio signals transmitted by fixed land-based radio beacons. it was introduced in the 1970's
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The U.S. Navy experimented with satellite navigation, culminating in the launch of the Global Positioning System (GPS) constellation in 1987.
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Internet radio was pioneered by Carl Malamud. In 1993, Malamud launched "Internet Talk Radio" which was the "first computer-radio talk show, each week interviewing a computer expert." The first Internet concert was broadcast on June 24, 1993 by the band Severe Tire Damage
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In 2003, revenue from online streaming music radio was US$49 million. By 2006, that figure rose to US$500 million. It was obvious this was a new buisness
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On January 31, 2016, webcasters who are governed by rules adopted by the Copyright Royalty Board were required to pay to SoundExchange an annual, nonrefundable minimum fee of $500 for each channel and station
